Subject: Re: [Healeys] Plugs

From: Bob Spidell <[email-masked]>
Date: Sat, 18 Mar 2023 11:16:36 -0700

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I've run over 150K miles on Champion plugs with nary an issue (and will 
continue to do so); RN12YC for the BJ8 and whatever the recommended is 
for a 100M (RN10C?). With Pertronix Ignitors in both, I run slightly 
over 'book' value (0.025") at 0.028" and both run very well (I also run 
stranded copper wire secondaries, so the 'R' is important, plus the plug 
caps have a resistor in them as well). My one-time auto shop teacher 
father maintained whatever spark was sufficient to ignite the mixture 
was adequate--mixture and compression took it from there--but a larger 
gap induces a 'hotter' spark which may be beneficial with leaner 
mixtures and at higher engine RPM (but has less margin as the electrode 
erodes). A larger gap requires the coil to produce more secondary 
voltage to jump the gap; a sports coil may be required to produce a 
consistent spark. 12K miles on plugs is fine in my experience--as long 
as the engine is in good nick--and they can be cleaned and re-gapped at 
least once. Sandblasting is a no-no as it will pit the ceramic insulator 
and can cause issues.

I came across a YouTube video by David Vizard where he claims E3 Diamond 
'Split Fire' plugs produced slightly better mileage; yep, E3 makes a 
plug for Big Healeys (6-cyl only, I think). I've heard rumors that 
counterfeit NGK plugs are in the market.

On 3/18/2023 9:49 AM, Simon Lachlan via Healeys wrote:
>
> Here’s a can of worms that we haven’t delved into for a while….
>
> So, I’m trying to get all my ducks in a row for a short run abroad. 
> Car is a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch 
> and 123Ignition plus a so-called Sports Coil.
>
>  1. I was looking through my library of files on Healey topics and saw
>     that we were all over the place on plug gaps…..all the way up to
>     0.035”. So what’s the opinion there??
>  2. And which plug? Seemed to be mostly between NGK’s BP6ES & BP5ES.
>     Was a hold-out for their B8EGV 5627  but thatwas dismissed fairly
>     vigorously by Jeremy Welch as being way OTT for normal road use.
>  3. And, I have 12,000 miles+++ as plug replacement mileage so long as
>     they still look and perform OK. Any thoughts?
>
> Thanks, Simon
>
>

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    I've run over 150K miles on Champion plugs with nary an issue (and
    will continue to do so); RN12YC for the BJ8 and whatever the
    recommended is for a 100M (RN10C?). With Pertronix Ignitors in both,
    I run slightly over 'book' value (0.025") at 0.028" and both run
    very well (I also run stranded copper wire secondaries, so the 'R'
    is important, plus the plug caps have a resistor in them as well).
    My one-time auto shop teacher father maintained whatever spark was
    sufficient to ignite the mixture was adequate--mixture and
    compression took it from there--but a larger gap induces a 'hotter'
    spark which may be beneficial with leaner mixtures and at higher
    engine RPM (but has less margin as the electrode erodes). A larger
    gap requires the coil to produce more secondary voltage to jump the
    gap; a sports coil may be required to produce a consistent spark.
    12K miles on plugs is fine in my experience--as long as the engine
    is in good nick--and they can be cleaned and re-gapped at least
    once. Sandblasting is a no-no as it will pit the ceramic insulator
    and can cause issues. <br>
    <br>
    I came across a YouTube video by David Vizard where he claims E3
    Diamond 'Split Fire' plugs produced slightly better mileage; yep, E3
    makes a plug for Big Healeys (6-cyl only, I think). I've heard
    rumors that counterfeit NGK plugs are in the market.<br>
    <br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 3/18/2023 9:49 AM, Simon Lachlan via
      Healeys wrote:<br>
    </div>
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      cite="mid:[email-masked]">
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        <p class="MsoNormal"><span
            style="font-size:12.0pt;font-family:&quot;Times New
            Roman&quot;,serif">Here’s a can of worms that we haven’t
            delved into for a while….<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:12.0pt;font-family:&quot;Times New
            Roman&quot;,serif">So, I’m trying to get all my ducks in a
            row for a short run abroad. Car is a MkII BT7 with a DW fast
            road cam, 3 HD6s, big bore 6 branch and 123Ignition plus a
            so-called Sports Coil.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:12.0pt;font-family:&quot;Times New
            Roman&quot;,serif"><o:p> </o:p></span></p>
        <ol style="margin-top:0cm" type="1" start="1">
          <li class="MsoListParagraph"
            style="margin-left:0cm;mso-list:l0 level1 lfo1"><span
              style="font-size:12.0pt;font-family:&quot;Times New
              Roman&quot;,serif">I was looking through my library of
              files on Healey topics and saw that we were all over the
              place on plug gaps…..all the way up to 0.035”. So what’s
              the opinion there??<o:p></o:p></span></li>
          <li class="MsoListParagraph"
            style="margin-left:0cm;mso-list:l0 level1 lfo1"><span
              style="font-size:12.0pt;font-family:&quot;Times New
              Roman&quot;,serif">And which plug? Seemed to be mostly
              between NGK’s BP6ES &amp; BP5ES. Was a hold-out for their
              B8EGV 5627</span><span style="font-size:12.0pt">  but that</span><span
              style="font-size:12.0pt;font-family:&quot;Times New
              Roman&quot;,serif"> was dismissed fairly vigorously by
              Jeremy Welch as being way OTT for normal road use.<o:p></o:p></span></li>
          <li class="MsoListParagraph"
            style="margin-left:0cm;mso-list:l0 level1 lfo1"><span
              style="font-size:12.0pt;font-family:&quot;Times New
              Roman&quot;,serif">And, I have 12,000 miles+++ as plug
              replacement mileage so long as they still look and perform
              OK. Any thoughts?<o:p></o:p></span></li>
        </ol>
        <p class="MsoListParagraph"><span
            style="font-size:12.0pt;font-family:&quot;Times New
            Roman&quot;,serif"><o:p> </o:p></span></p>
        <p class="MsoListParagraph"><span
            style="font-size:12.0pt;font-family:&quot;Times New
            Roman&quot;,serif">Thanks, Simon<o:p></o:p></span></p>
      </div>
      <br>
    </blockquote>
    <br>
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_______________________________________________

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive/healeys

[email-masked]
http://autox.team.net/mailman/listinfo/healeys

--===============2896037174997330978==--

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From: "m.g.sharp--- via Healeys" <[email-masked]>
Date: Sun, 19 Mar 2023 08:01:54 -0400

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I do exactly what Bob does with my BT7 except I use a non-resistor plug =
=E2=80=93 Champion N12YC and 0.028=E2=80=9D gap.  I too use a Lucas =
Sports coil.  I always thought the resistor plugs were to introduced to =
supress interference with car radios, which I don=E2=80=99t have, but I =
am happy to be corrected on that.   I think plugs are unnecessarily =
changed too frequently.  I remove them once in a while (every few years) =
and clean and check the gaps.  I run them until they shows signs of =
deterioration.  I have never had a plug fail me in the Healey.

=20

Mirek

=20

From: Healeys <[email-masked]> On Behalf Of Bob Spidell
Sent: March 18, 2023 2:17 PM
To: [email-masked]
Subject: Re: [Healeys] Plugs

=20

I've run over 150K miles on Champion plugs with nary an issue (and will =
continue to do so); RN12YC for the BJ8 and whatever the recommended is =
for a 100M (RN10C?). With Pertronix Ignitors in both, I run slightly =
over 'book' value (0.025") at 0.028" and both run very well (I also run =
stranded copper wire secondaries, so the 'R' is important, plus the plug =
caps have a resistor in them as well). My one-time auto shop teacher =
father maintained whatever spark was sufficient to ignite the mixture =
was adequate--mixture and compression took it from there--but a larger =
gap induces a 'hotter' spark which may be beneficial with leaner =
mixtures and at higher engine RPM (but has less margin as the electrode =
erodes). A larger gap requires the coil to produce more secondary =
voltage to jump the gap; a sports coil may be required to produce a =
consistent spark. 12K miles on plugs is fine in my experience--as long =
as the engine is in good nick--and they can be cleaned and re-gapped at =
least once. Sandblasting is a no-no as it will pit the ceramic insulator =
and can cause issues.=20

I came across a YouTube video by David Vizard where he claims E3 Diamond =
'Split Fire' plugs produced slightly better mileage; yep, E3 makes a =
plug for Big Healeys (6-cyl only, I think). I've heard rumors that =
counterfeit NGK plugs are in the market.

Here=E2=80=99s a can of worms that we haven=E2=80=99t delved into for a =
while=E2=80=A6.

So, I=E2=80=99m trying to get all my ducks in a row for a short run =
abroad. Car is a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 =
branch and 123Ignition plus a so-called Sports Coil.

=20

1.	I was looking through my library of files on Healey topics and saw =
that we were all over the place on plug gaps=E2=80=A6..all the way up to =
0.035=E2=80=9D. So what=E2=80=99s the opinion there??
2.	And which plug? Seemed to be mostly between NGK=E2=80=99s BP6ES & =
BP5ES. Was a hold-out for their B8EGV 5627  but that was dismissed =
fairly vigorously by Jeremy Welch as being way OTT for normal road use.
3.	And, I have 12,000 miles+++ as plug replacement mileage so long as =
they still look and perform OK. Any thoughts?

=20

Thanks, Simon

=20

=20

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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-CA =
link=3D"#0563C1" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal>I do exactly what Bob does =
with my BT7 except I use a non-resistor plug =E2=80=93 Champion N12YC =
and 0.028=E2=80=9D gap.=C2=A0 I too use a Lucas Sports coil. =C2=A0I =
always thought the resistor plugs were to introduced to supress =
interference with car radios, which I don=E2=80=99t have, but I am happy =
to be corrected on that.=C2=A0 =C2=A0I think plugs are unnecessarily =
changed too frequently.=C2=A0 I remove them once in a while (every few =
years) and clean and check the gaps.=C2=A0 I run them until they shows =
signs of deterioration.=C2=A0 I have never had a plug fail me in the =
Healey.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>Mirek<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'mso-fareast-language:EN-CA'>From:</span></b><span lang=3DEN-US =
style=3D'mso-fareast-language:EN-CA'> Healeys =
&lt;[email-masked]&gt; <b>On Behalf Of </b>Bob =
Spidell<br><b>Sent:</b> March 18, 2023 2:17 PM<br><b>To:</b> =
[email-masked]<br><b>Subject:</b> Re: [Healeys] =
Plugs<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>I've run over 150K miles on Champion =
plugs with nary an issue (and will continue to do so); RN12YC for the =
BJ8 and whatever the recommended is for a 100M (RN10C?). With Pertronix =
Ignitors in both, I run slightly over 'book' value (0.025&quot;) at =
0.028&quot; and both run very well (I also run stranded copper wire =
secondaries, so the 'R' is important, plus the plug caps have a resistor =
in them as well). My one-time auto shop teacher father maintained =
whatever spark was sufficient to ignite the mixture was =
adequate--mixture and compression took it from there--but a larger gap =
induces a 'hotter' spark which may be beneficial with leaner mixtures =
and at higher engine RPM (but has less margin as the electrode erodes). =
A larger gap requires the coil to produce more secondary voltage to jump =
the gap; a sports coil may be required to produce a consistent spark. =
12K miles on plugs is fine in my experience--as long as the engine is in =
good nick--and they can be cleaned and re-gapped at least once. =
Sandblasting is a no-no as it will pit the ceramic insulator and can =
cause issues. <br><br>I came across a YouTube video by David Vizard =
where he claims E3 Diamond 'Split Fire' plugs produced slightly better =
mileage; yep, E3 makes a plug for Big Healeys (6-cyl only, I think). =
I've heard rumors that counterfeit NGK plugs are in the =
market.<br><br><br><span =
style=3D'mso-fareast-language:EN-CA'><o:p></o:p></span></p><div><p =
class=3DMsoNormal>On 3/18/2023 9:49 AM, Simon Lachlan via Healeys =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman ,serif",serif'>Here=E2=80=99s a can of worms that we =
haven=E2=80=99t delved into for a =
while=E2=80=A6.</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif'>So, I=E2=80=99m trying to get all my ducks in a row for a =
short run abroad. Car is a MkII BT7 with a DW fast road cam, 3 HD6s, big =
bore 6 branch and 123Ignition plus a so-called Sports =
Coil.</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif'>&nbsp;</span><o:p></o:p></p><ol style=3D'margin-top:0cm' =
start=3D1 type=3D1><li class=3DMsoListParagraph =
style=3D'margin-left:0cm;mso-list:l0 level1 lfo3'><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman ,serif",serif'>I =
was looking through my library of files on Healey topics and saw that we =
were all over the place on plug gaps=E2=80=A6..all the way up to =
0.035=E2=80=9D. So what=E2=80=99s the opinion =
there??</span><o:p></o:p></li><li class=3DMsoListParagraph =
style=3D'margin-left:0cm;mso-list:l0 level1 lfo3'><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif'>And which plug? Seemed to be mostly between NGK=E2=80=99s =
BP6ES &amp; BP5ES. Was a hold-out for their B8EGV 5627</span><span =
style=3D'font-size:12.0pt'>&nbsp; but that</span><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman ,serif",serif'> =
was dismissed fairly vigorously by Jeremy Welch as being way OTT for =
normal road use.</span><o:p></o:p></li><li class=3DMsoListParagraph =
style=3D'margin-left:0cm;mso-list:l0 level1 lfo3'><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif'>And, I have 12,000 miles+++ as plug replacement mileage =
so long as they still look and perform OK. Any =
thoughts?</span><o:p></o:p></li></ol><p class=3DMsoListParagraph><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif'>&nbsp;</span><o:p></o:p></p><p =
class=3DMsoListParagraph><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif'>Thanks, Simon</span><o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-CA'><o:p>&nbsp;</o:p></span></p></blockq=
uote><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-CA'><o:p>&nbsp;</o:p></span></p></div></=
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[email-masked]

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---

From: josef-eckert--- via Healeys <[email-masked]>
Date: Sun, 19 Mar 2023 14:01:16 +0100 (CET)

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I second Mirek in all.
=20
Josef
=20
=20
=20
-----Original-Nachricht-----
Betreff: Re: [Healeys] Plugs
Datum: 2023-03-19T13:25:21+0100
Von: "m.g.sharp--- via Healeys" <[email-masked]>
An: "'Bob Spidell'" <[email-masked]>, "[email-masked]"=20
<[email-masked]>
=20
=20
=20

I do exactly what Bob does with my BT7 except I use a non-resistor plug =E2=
=80=93=20
Champion N12YC and 0.028=E2=80=9D gap.  I too use a Lucas Sports coil.  I a=
lways=20
thought the resistor plugs were to introduced to supress interference with=
=20
car radios, which I don=E2=80=99t have, but I am happy to be corrected on t=
hat.   I=20
think plugs are unnecessarily changed too frequently.  I remove them once=
=20
in a while (every few years) and clean and check the gaps.  I run them=20
until they shows signs of deterioration.  I have never had a plug fail me=
=20
in the Healey.

=20

Mirek

=20

=20

I've run over 150K miles on Champion plugs with nary an issue (and will=20
continue to do so); RN12YC for the BJ8 and whatever the recommended is for=
=20
a 100M (RN10C?). With Pertronix Ignitors in both, I run slightly over=20
'book' value (0.025") at 0.028" and both run very well (I also run stranded=
=20
copper wire secondaries, so the 'R' is important, plus the plug caps have a=
=20
resistor in them as well). My one-time auto shop teacher father maintained=
=20
whatever spark was sufficient to ignite the mixture was adequate--mixture=
=20
and compression took it from there--but a larger gap induces a 'hotter'=20
spark which may be beneficial with leaner mixtures and at higher engine RPM=
=20
(but has less margin as the electrode erodes). A larger gap requires the=20
coil to produce more secondary voltage to jump the gap; a sports coil may=
=20
be required to produce a consistent spark. 12K miles on plugs is fine in my=
=20
experience--as long as the engine is in good nick--and they can be cleaned=
=20
and re-gapped at least once. Sandblasting is a no-no as it will pit the=20
ceramic insulator and can cause issues.

I came across a YouTube video by David Vizard where he claims E3 Diamond=20
'Split Fire' plugs produced slightly better mileage; yep, E3 makes a plug=
=20
for Big Healeys (6-cyl only, I think). I've heard rumors that counterfeit=
=20
NGK plugs are in the market.

    Here=E2=80=99s a can of worms that we haven=E2=80=99t delved into for a=
 while=E2=80=A6.

    So, I=E2=80=99m trying to get all my ducks in a row for a short run abr=
oad. Car
    is a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch and
    123Ignition plus a so-called Sports Coil.

    =20

       1. I was looking through my library of files on Healey topics and
          saw that we were all over the place on plug gaps=E2=80=A6..all th=
e way up
          to 0.035=E2=80=9D. So what=E2=80=99s the opinion there??
       2. And which plug? Seemed to be mostly between NGK=E2=80=99s BP6ES &=
 BP5ES.
          Was a hold-out for their B8EGV 5627  but that was dismissed
          fairly vigorously by Jeremy Welch as being way OTT for normal
          road use.
       3. And, I have 12,000 miles+++ as plug replacement mileage so long
          as they still look and perform OK. Any thoughts?

    =20

    Thanks, Simon

    =20

=20

=EF=BB=BF
------=_Part_894182_227450412.1679230877087
Content-Transfer-Encoding: quoted-printable

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; charset=
=3DUTF-8"/><title></title></head><body><p style=3D"margin: 0px;"><span styl=
e=3D"font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;te=
xt-decoration:none">I second Mirek in all.<br /></span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">Josef</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">&nbsp;</span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">-----Original-Nachricht-----</p>
<p style=3D"margin: 0px;">Betreff: Re: [Healeys] Plugs</p>
<p style=3D"margin: 0px;">Datum: 2023-03-19T13:25:21+0100</p>
<p style=3D"margin: 0px;">Von: "m.g.sharp--- via Healeys" &lt;healeys@autox=
.team.net&gt;</p>
<p style=3D"margin: 0px;">An: "'Bob Spidell'" &lt;[email-masked]&gt;,=
 "[email-masked]" &lt;[email-masked]&gt;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<div style=3D"position: relative; color: #000000; font: 12px Arial,Helvetic=
a,sans-serif;">
<div class=3D"WordSection1">
<p class=3D"MsoNormal">I do exactly what Bob does with my BT7 except I use =
a non-resistor plug &ndash; Champion N12YC and 0.028&rdquo; gap.&nbsp; I to=
o use a Lucas Sports coil. &nbsp;I always thought the resistor plugs were t=
o introduced to supress interference with car radios, which I don&rsquo;t h=
ave, but I am happy to be corrected on that.&nbsp; &nbsp;I think plugs are =
unnecessarily changed too frequently.&nbsp; I remove them once in a while (=
every few years) and clean and check the gaps.&nbsp; I run them until they =
shows signs of deterioration.&nbsp; I have never had a plug fail me in the =
Healey.</p>
<p class=3D"MsoNormal">&nbsp;</p>
<p class=3D"MsoNormal">Mirek</p>
<p class=3D"MsoNormal">&nbsp;</p>
<div>
<div style=3D"border: none; border-top: solid #E1E1E1 1.0pt; padding: 3.0pt=
 0cm 0cm 0cm;">
<p class=3D"MsoNormal"><strong><span lang=3D"EN-US" style=3D"mso-fareast-la=
nguage: EN-CA;">From:</span></strong><span lang=3D"EN-US" style=3D"mso-fare=
ast-language: EN-CA;"> Healeys &lt;[email-masked]&gt; <stro=
ng>On Behalf Of </strong>Bob Spidell<br /><strong>Sent:</strong> March 18, =
2023 2:17 PM<br /><strong>To:</strong> [email-masked]<br /><strong>=
Subject:</strong> Re: [Healeys] Plugs</span></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;</p>
<p class=3D"MsoNormal" style=3D"margin-bottom: 12.0pt;">I've run over 150K =
miles on Champion plugs with nary an issue (and will continue to do so); RN=
12YC for the BJ8 and whatever the recommended is for a 100M (RN10C?). With =
Pertronix Ignitors in both, I run slightly over 'book' value (0.025") at 0.=
028" and both run very well (I also run stranded copper wire secondaries, s=
o the 'R' is important, plus the plug caps have a resistor in them as well)=
. My one-time auto shop teacher father maintained whatever spark was suffic=
ient to ignite the mixture was adequate--mixture and compression took it fr=
om there--but a larger gap induces a 'hotter' spark which may be beneficial=
 with leaner mixtures and at higher engine RPM (but has less margin as the =
electrode erodes). A larger gap requires the coil to produce more secondary=
 voltage to jump the gap; a sports coil may be required to produce a consis=
tent spark. 12K miles on plugs is fine in my experience--as long as the eng=
ine is in good nick--and they can be cleaned and re-gapped at least once. S=
andblasting is a no-no as it will pit the ceramic insulator and can cause i=
ssues. <br /><br />I came across a YouTube video by David Vizard where he c=
laims E3 Diamond 'Split Fire' plugs produced slightly better mileage; yep, =
E3 makes a plug for Big Healeys (6-cyl only, I think). I've heard rumors th=
at counterfeit NGK plugs are in the market.<br /><br /><br /></p>
<div>
<p class=3D"MsoNormal">On 3/18/2023 9:49 AM, Simon Lachlan via Healeys wrot=
e:</p>
</div>
<blockquote style=3D"margin-top: 5.0pt; margin-bottom: 5.0pt;">
<p class=3D"MsoNormal"><span style=3D"font-size: 12.0pt; font-family: 'Time=
s New Roman ,serif',serif;">Here&rsquo;s a can of worms that we haven&rsquo=
;t delved into for a while&hellip;.</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 12.0pt; font-family: 'Time=
s New Roman ,serif',serif;">So, I&rsquo;m trying to get all my ducks in a r=
ow for a short run abroad. Car is a MkII BT7 with a DW fast road cam, 3 HD6=
s, big bore 6 branch and 123Ignition plus a so-called Sports Coil.</span></=
p>
<p class=3D"MsoNormal"><span style=3D"font-size: 12.0pt; font-family: 'Time=
s New Roman ,serif',serif;">&nbsp;</span></p>
<ol style=3D"margin-top: 0cm;" start=3D"1" type=3D"1">
<li class=3D"MsoListParagraph" style=3D"margin-left: 0cm; mso-list: l0 leve=
l1 lfo3;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roman ,=
serif',serif;">I was looking through my library of files on Healey topics a=
nd saw that we were all over the place on plug gaps&hellip;..all the way up=
 to 0.035&rdquo;. So what&rsquo;s the opinion there??</span></li>
<li class=3D"MsoListParagraph" style=3D"margin-left: 0cm; mso-list: l0 leve=
l1 lfo3;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roman ,=
serif',serif;">And which plug? Seemed to be mostly between NGK&rsquo;s BP6E=
S &amp; BP5ES. Was a hold-out for their B8EGV 5627</span><span style=3D"fon=
t-size: 12.0pt;">&nbsp; but that</span><span style=3D"font-size: 12.0pt; fo=
nt-family: 'Times New Roman ,serif',serif;"> was dismissed fairly vigorousl=
y by Jeremy Welch as being way OTT for normal road use.</span></li>
<li class=3D"MsoListParagraph" style=3D"margin-left: 0cm; mso-list: l0 leve=
l1 lfo3;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roman ,=
serif',serif;">And, I have 12,000 miles+++ as plug replacement mileage so l=
ong as they still look and perform OK. Any thoughts?</span></li>
</ol>
<p class=3D"MsoListParagraph"><span style=3D"font-size: 12.0pt; font-family=
: 'Times New Roman ,serif',serif;">&nbsp;</span></p>
<p class=3D"MsoListParagraph"><span style=3D"font-size: 12.0pt; font-family=
: 'Times New Roman ,serif',serif;">Thanks, Simon</span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language: EN-CA;">&nbsp;<=
/span></p>
</blockquote>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language: EN-CA;">&nbsp;<=
/span></p>
</div>
</div>=EF=BB=BF</body></html>
------=_Part_894182_227450412.1679230877087--

--===============8365950792133764174==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

[email-masked]

--===============8365950792133764174==--

---

From: Michael Oritt <[email-masked]>
Date: Sun, 19 Mar 2023 09:52:56 -0400

--===============7649878208324115098==

--00000000000062c8a505f741212a
Content-Transfer-Encoding: quoted-printable

"I always thought the resistor plugs were to introduced to suppress
interference with car radios, which I don=E2=80=99t have,"
-----------------------------------------------------
They also eliminate your ignition's noise in nearby vehicles.

Best--Michael Oritt

> I do exactly what Bob does with my BT7 except I use a non-resistor plug =
=E2=80=93
> Champion N12YC and 0.028=E2=80=9D gap.  I too use a Lucas Sports coil.  I=
 always
> thought the resistor plugs were to introduced to supress interference wit=
h
> car radios, which I don=E2=80=99t have, but I am happy to be corrected on=
 that.   I
> think plugs are unnecessarily changed too frequently.  I remove them once
> in a while (every few years) and clean and check the gaps.  I run them
> until they shows signs of deterioration.  I have never had a plug fail me
> in the Healey.
>
>
>
> Mirek
>
>
>
> *From:* Healeys <[email-masked]> *On Behalf Of *Bob
> Spidell
> *Sent:* March 18, 2023 2:17 PM
> *To:* [email-masked]
> *Subject:* Re: [Healeys] Plugs
>
>
>
> continue to do so); RN12YC for the BJ8 and whatever the recommended is fo=
r
> a 100M (RN10C?). With Pertronix Ignitors in both, I run slightly over
> 'book' value (0.025") at 0.028" and both run very well (I also run strand=
ed
> copper wire secondaries, so the 'R' is important, plus the plug caps have=
 a
> resistor in them as well). My one-time auto shop teacher father maintaine=
d
> whatever spark was sufficient to ignite the mixture was adequate--mixture
> and compression took it from there--but a larger gap induces a 'hotter'
> spark which may be beneficial with leaner mixtures and at higher engine R=
PM
> (but has less margin as the electrode erodes). A larger gap requires the
> coil to produce more secondary voltage to jump the gap; a sports coil may
> be required to produce a consistent spark. 12K miles on plugs is fine in =
my
> experience--as long as the engine is in good nick--and they can be cleane=
d
> and re-gapped at least once. Sandblasting is a no-no as it will pit the
> 'Split Fire' plugs produced slightly better mileage; yep, E3 makes a plug
> for Big Healeys (6-cyl only, I think). I've heard rumors that counterfeit
> Here=E2=80=99s a can of worms that we haven=E2=80=99t delved into for a w=
hile=E2=80=A6.
>
> So, I=E2=80=99m trying to get all my ducks in a row for a short run abroa=
d. Car is
> a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch and
>    that we were all over the place on plug gaps=E2=80=A6..all the way up =
to 0.035=E2=80=9D. So
>    what=E2=80=99s the opinion there??
>    2. And which plug? Seemed to be mostly between NGK=E2=80=99s BP6ES & B=
P5ES.
>    Was a hold-out for their B8EGV 5627  but that was dismissed fairly
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

--00000000000062c8a505f741212a
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff"><span=
 style=3D"color:rgb(34,34,34)">&quot;I always thought the resistor plugs we=
re to introduced to suppress interference with car radios, which I don=E2=
=80=99t have,&quot;</span><br></div><div class=3D"gmail_default" style=3D"c=
olor:#3333ff"><span style=3D"color:rgb(34,34,34)">-------------------------=
----------------------------</span></div><div class=3D"gmail_default" style=
=3D"color:#3333ff"><span style=3D"color:rgb(34,34,34)">They=C2=A0also elimi=
nate your ignition&#39;s noise in nearby vehicles.</span></div><div class=
=3D"gmail_default" style=3D"color:#3333ff"><span style=3D"color:rgb(34,34,3=
4)"><br></span></div><div class=3D"gmail_default" style=3D"color:#3333ff"><=
span style=3D"color:rgb(34,34,34)">Best--Michael Oritt</span></div><div cla=
ss=3D"gmail_default" style=3D"color:#3333ff"><span style=3D"color:rgb(34,34=
,34)"><br></span></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr=
" class=3D"gmail_attr">On Sun, Mar 19, 2023 at 8:11=E2=80=AFAM m.g.sharp---=
 via Healeys &lt;<a href=3D"mailto:[email-masked]">[email-masked]=
am.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left=
:1ex"><div class=3D"msg4506245762485897014"><div lang=3D"EN-CA" style=3D"ov=
erflow-wrap: break-word;"><div class=3D"m_4506245762485897014WordSection1">=
<p class=3D"MsoNormal">I do exactly what Bob does with my BT7 except I use =
a non-resistor plug =E2=80=93 Champion N12YC and 0.028=E2=80=9D gap.=C2=A0 =
I too use a Lucas Sports coil.=C2=A0 I always thought the resistor plugs we=
re to introduced to supress interference with car radios, which I don=E2=80=
=99t have, but I am happy to be corrected on that.=C2=A0 =C2=A0I think plug=
s are unnecessarily changed too frequently.=C2=A0 I remove them once in a w=
hile (every few years) and clean and check the gaps.=C2=A0 I run them until=
 they shows signs of deterioration.=C2=A0 I have never had a plug fail me i=
n the Healey.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u><=
/p><p class=3D"MsoNormal">Mirek<u></u><u></u></p><p class=3D"MsoNormal"><u>=
</u>=C2=A0<u></u></p><div><div style=3D"border-right:none;border-bottom:non=
e;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0c=
m"><p class=3D"MsoNormal"><b><span lang=3D"EN-US">From:</span></b><span lan=
g=3D"EN-US"> Healeys &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; <b>On Behalf Of </=
b>Bob Spidell<br><b>Sent:</b> March 18, 2023 2:17 PM<br><b>To:</b> <a href=
=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
</a><br><b>Subject:</b> Re: [Healeys] Plugs<u></u><u></u></span></p></div><=
/div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal" =
style=3D"margin-bottom:12pt">I&#39;ve run over 150K miles on Champion plugs=
 with nary an issue (and will continue to do so); RN12YC for the BJ8 and wh=
atever the recommended is for a 100M (RN10C?). With Pertronix Ignitors in b=
oth, I run slightly over &#39;book&#39; value (0.025&quot;) at 0.028&quot; =
and both run very well (I also run stranded copper wire secondaries, so the=
 &#39;R&#39; is important, plus the plug caps have a resistor in them as we=
ll). My one-time auto shop teacher father maintained whatever spark was suf=
ficient to ignite the mixture was adequate--mixture and compression took it=
 from there--but a larger gap induces a &#39;hotter&#39; spark which may be=
 beneficial with leaner mixtures and at higher engine RPM (but has less mar=
gin as the electrode erodes). A larger gap requires the coil to produce mor=
e secondary voltage to jump the gap; a sports coil may be required to produ=
ce a consistent spark. 12K miles on plugs is fine in my experience--as long=
 as the engine is in good nick--and they can be cleaned and re-gapped at le=
ast once. Sandblasting is a no-no as it will pit the ceramic insulator and =
can cause issues. <br><br>I came across a YouTube video by David Vizard whe=
re he claims E3 Diamond &#39;Split Fire&#39; plugs produced slightly better=
 mileage; yep, E3 makes a plug for Big Healeys (6-cyl only, I think). I&#39=
;ve heard rumors that counterfeit NGK plugs are in the market.<br><br><br><=
span><u></u><u></u></span></p><div><p class=3D"MsoNormal">On 3/18/2023 9:49=
 AM, Simon Lachlan via Healeys wrote:<u></u><u></u></p></div><blockquote st=
yle=3D"margin-top:5pt;margin-bottom:5pt"><p class=3D"MsoNormal"><span style=
=3D"font-size:12pt;font-family:&quot;Times New Roman ,serif&quot;,serif">He=
re=E2=80=99s a can of worms that we haven=E2=80=99t delved into for a while=
=E2=80=A6.</span><u></u><u></u></p><p class=3D"MsoNormal"><span style=3D"fo=
nt-size:12pt;font-family:&quot;Times New Roman ,serif&quot;,serif">So, I=E2=
=80=99m trying to get all my ducks in a row for a short run abroad. Car is =
a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch and 123Igniti=
on plus a so-called Sports Coil.</span><u></u><u></u></p><p class=3D"MsoNor=
mal"><span style=3D"font-size:12pt;font-family:&quot;Times New Roman ,serif=
&quot;,serif">=C2=A0</span><u></u><u></u></p><ol style=3D"margin-top:0cm" s=
tart=3D"1" type=3D"1"><li class=3D"m_4506245762485897014MsoListParagraph" s=
tyle=3D"margin-left:0cm"><span style=3D"font-size:12pt;font-family:&quot;Ti=
mes New Roman ,serif&quot;,serif">I was looking through my library of files=
 on Healey topics and saw that we were all over the place on plug gaps=E2=
=80=A6..all the way up to 0.035=E2=80=9D. So what=E2=80=99s the opinion the=
re??</span><u></u><u></u></li><li class=3D"m_4506245762485897014MsoListPara=
graph" style=3D"margin-left:0cm"><span style=3D"font-size:12pt;font-family:=
&quot;Times New Roman ,serif&quot;,serif">And which plug? Seemed to be most=
ly between NGK=E2=80=99s BP6ES &amp; BP5ES. Was a hold-out for their B8EGV =
5627</span><span style=3D"font-size:12pt">=C2=A0 but that</span><span style=
=3D"font-size:12pt;font-family:&quot;Times New Roman ,serif&quot;,serif"> w=
as dismissed fairly vigorously by Jeremy Welch as being way OTT for normal =
road use.</span><u></u><u></u></li><li class=3D"m_4506245762485897014MsoLis=
tParagraph" style=3D"margin-left:0cm"><span style=3D"font-size:12pt;font-fa=
mily:&quot;Times New Roman ,serif&quot;,serif">And, I have 12,000 miles+++ =
as plug replacement mileage so long as they still look and perform OK. Any =
thoughts?</span><u></u><u></u></li></ol><p class=3D"m_4506245762485897014Ms=
oListParagraph"><span style=3D"font-size:12pt;font-family:&quot;Times New R=
oman ,serif&quot;,serif">=C2=A0</span><u></u><u></u></p><p class=3D"m_45062=
45762485897014MsoListParagraph"><span style=3D"font-size:12pt;font-family:&=
quot;Times New Roman ,serif&quot;,serif">Thanks, Simon</span><u></u><u></u>=
</p><p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></p></blockquot=
e><p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></p></div></div>_=
______________________________________________<br>
rer" target=3D"_blank">http://www.team.net/donate.html</a><br>
<br>
Archive: <a href=3D"http://www.team.net/pipermail/healeys" rel=3D"noreferre=
r" target=3D"_blank">http://www.team.net/pipermail/healeys</a> <a href=3D"h=
ttp://autox.team.net/archive/healeys" rel=3D"noreferrer" target=3D"_blank">=
http://autox.team.net/archive/healeys</a><br>
<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
eam.net</a><br>
<a href=3D"http://autox.team.net/mailman/listinfo/healeys" rel=3D"noreferre=
r" target=3D"_blank">http://autox.team.net/mailman/listinfo/healeys</a><br>
<br>
s/[email-masked]" rel=3D"noreferrer" target=3D"_blank">http://auto=
x.team.net/mailman/options/healeys/[email-masked]</a><br>
<br>
</div></blockquote></div>

--00000000000062c8a505f741212a--

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[email-masked]

--===============7649878208324115098==--

---

From: josef-eckert--- via Healeys <[email-masked]>
Date: Sun, 19 Mar 2023 15:25:21 +0100 (CET)

--===============0946421443278519698==
	boundary="----=_Part_899829_173597989.1679235921088"

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I do not care what kind of noices are in nearby vehicles.
=20
=20
=20
-----Original-Nachricht-----
Betreff: Re: [Healeys] Plugs
Datum: 2023-03-19T15:15:37+0100
Von: "Michael Oritt" <[email-masked]>
An: "[email-masked]" <[email-masked]>
=20
=20
=20
"I always thought the resistor plugs were to introduced to suppress=20
interference with car radios, which I don=E2=80=99t have,"
-----------------------------------------------------
They also eliminate your ignition's noise in nearby vehicles.
=20
Best--Michael Oritt
=20

  I do exactly what Bob does with my BT7 except I use a non-resistor plug =
=E2=80=93
  Champion N12YC and 0.028=E2=80=9D gap.  I too use a Lucas Sports coil.  I=
 always
  thought the resistor plugs were to introduced to supress interference
  with car radios, which I don=E2=80=99t have, but I am happy to be correct=
ed on
  that.   I think plugs are unnecessarily changed too frequently.  I remove
  them once in a while (every few years) and clean and check the gaps.  I
  run them until they shows signs of deterioration.  I have never had a
  plug fail me in the Healey.

  =20

  Mirek

  =20

  From: Healeys <[email-masked]
  Sent: March 18, 2023 2:17 PM
  Subject: Re: [Healeys] Plugs

  =20

  I've run over 150K miles on Champion plugs with nary an issue (and will
  continue to do so); RN12YC for the BJ8 and whatever the recommended is
  for a 100M (RN10C?). With Pertronix Ignitors in both, I run slightly over
  'book' value (0.025") at 0.028" and both run very well (I also run
  stranded copper wire secondaries, so the 'R' is important, plus the plug
  caps have a resistor in them as well). My one-time auto shop teacher
  father maintained whatever spark was sufficient to ignite the mixture was
  adequate--mixture and compression took it from there--but a larger gap
  induces a 'hotter' spark which may be beneficial with leaner mixtures and
  at higher engine RPM (but has less margin as the electrode erodes). A
  larger gap requires the coil to produce more secondary voltage to jump
  the gap; a sports coil may be required to produce a consistent spark. 12K
  miles on plugs is fine in my experience--as long as the engine is in good
  nick--and they can be cleaned and re-gapped at least once. Sandblasting
  is a no-no as it will pit the ceramic insulator and can cause issues.

      Here=E2=80=99s a can of worms that we haven=E2=80=99t delved into for=
 a while=E2=80=A6.

      So, I=E2=80=99m trying to get all my ducks in a row for a short run a=
broad.
      Car is a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch
      and 123Ignition plus a so-called Sports Coil.

      =20

         1. I was looking through my library of files on Healey topics and
            saw that we were all over the place on plug gaps=E2=80=A6..all =
the way
            up to 0.035=E2=80=9D. So what=E2=80=99s the opinion there??
         2. And which plug? Seemed to be mostly between NGK=E2=80=99s BP6ES=
 &
            BP5ES. Was a hold-out for their B8EGV 5627  but that was
            dismissed fairly vigorously by Jeremy Welch as being way OTT
            for normal road use.
         3. And, I have 12,000 miles+++ as plug replacement mileage so long
            as they still look and perform OK. Any thoughts?

      =20

      Thanks, Simon

      =20

  =20

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=EF=BB=BF
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Content-Transfer-Encoding: quoted-printable

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; charset=
=3DUTF-8"/><title></title></head><body><p style=3D"margin: 0px;"><span styl=
e=3D"font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;te=
xt-decoration:none">I do not care what kind of noices are<span style=3D"col=
or: #222222;"> in nearby vehicles.</span><br /></span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">&nbsp;</span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">-----Original-Nachricht-----</p>
<p style=3D"margin: 0px;">Betreff: Re: [Healeys] Plugs</p>
<p style=3D"margin: 0px;">Datum: 2023-03-19T15:15:37+0100</p>
<p style=3D"margin: 0px;">Von: "Michael Oritt" &lt;[email-masked]&=
gt;</p>
<p style=3D"margin: 0px;">An: "[email-masked]" &lt;m.g.sharp@sympat=
ico.ca&gt;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<div style=3D"position: relative; color: #000000; font: 12px Arial,Helvetic=
a,sans-serif;">
<div dir=3D"ltr">
<div class=3D"gmail_default" style=3D"color: #3333ff;"><span style=3D"color=
: #222222;">"I always thought the resistor plugs were to introduced to supp=
ress interference with car radios, which I don&rsquo;t have,"</span></div>
<div class=3D"gmail_default" style=3D"color: #3333ff;"><span style=3D"color=
: #222222;">-----------------------------------------------------</span></d=
iv>
<div class=3D"gmail_default" style=3D"color: #3333ff;"><span style=3D"color=
: #222222;">They&nbsp;also eliminate your ignition's noise in nearby vehicl=
es.</span></div>
<div class=3D"gmail_default" style=3D"color: #3333ff;"><span style=3D"color=
: #222222;">&nbsp;</span></div>
<div class=3D"gmail_default" style=3D"color: #3333ff;"><span style=3D"color=
: #222222;">Best--Michael Oritt</span></div>
<div class=3D"gmail_default" style=3D"color: #3333ff;"><span style=3D"color=
: #222222;">&nbsp;</span></div>
</div>
<br />
<div class=3D"gmail_quote">
<div class=3D"gmail_attr" dir=3D"ltr">On Sun, Mar 19, 2023 at 8:11=E2=80=AF=
AM m.g.sharp--- via Healeys &lt;<a href=3D"mailto:[email-masked]">h=
[email-masked]</a>&gt; wrote:</div>
<blockquote class=3D"gmail_quote" style=3D"margin: 0px 0px 0px 0.8ex; borde=
r-left: 1px solid #cccccc; padding-left: 1ex;">
<div class=3D"msg4506245762485897014">
<div lang=3D"EN-CA" style=3D"overflow-wrap: break-word;">
<div class=3D"m_4506245762485897014WordSection1">
<p class=3D"MsoNormal">I do exactly what Bob does with my BT7 except I use =
a non-resistor plug &ndash; Champion N12YC and 0.028&rdquo; gap.&nbsp; I to=
o use a Lucas Sports coil.&nbsp; I always thought the resistor plugs were t=
o introduced to supress interference with car radios, which I don&rsquo;t h=
ave, but I am happy to be corrected on that.&nbsp; &nbsp;I think plugs are =
unnecessarily changed too frequently.&nbsp; I remove them once in a while (=
every few years) and clean and check the gaps.&nbsp; I run them until they =
shows signs of deterioration.&nbsp; I have never had a plug fail me in the =
Healey.<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
<p class=3D"MsoNormal">Mirek<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
<div>
<div style=3D"border-right: none; border-bottom: none; border-left: none; b=
order-top: 1pt solid #e1e1e1; padding: 3pt 0cm 0cm;">
<p class=3D"MsoNormal"><strong><span lang=3D"EN-US">From:</span></strong><s=
pan lang=3D"EN-US"> Healeys &lt;<a href=3D"mailto:[email-masked]=
m.net">[email-masked]</a>&gt; <strong>On Behalf Of </strong=
>Bob Spidell<br /><strong>Sent:</strong> March 18, 2023 2:17 PM<br /><stron=
g>To:</strong> <a href=3D"mailto:[email-masked]">[email-masked]=
.net</a><br /><strong>Subject:</strong> Re: [Healeys] Plugs<u></u><u></u></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
<p class=3D"MsoNormal" style=3D"margin-bottom: 12pt;">I've run over 150K mi=
les on Champion plugs with nary an issue (and will continue to do so); RN12=
YC for the BJ8 and whatever the recommended is for a 100M (RN10C?). With Pe=
rtronix Ignitors in both, I run slightly over 'book' value (0.025") at 0.02=
8" and both run very well (I also run stranded copper wire secondaries, so =
the 'R' is important, plus the plug caps have a resistor in them as well). =
My one-time auto shop teacher father maintained whatever spark was sufficie=
nt to ignite the mixture was adequate--mixture and compression took it from=
 there--but a larger gap induces a 'hotter' spark which may be beneficial w=
ith leaner mixtures and at higher engine RPM (but has less margin as the el=
ectrode erodes). A larger gap requires the coil to produce more secondary v=
oltage to jump the gap; a sports coil may be required to produce a consiste=
nt spark. 12K miles on plugs is fine in my experience--as long as the engin=
e is in good nick--and they can be cleaned and re-gapped at least once. San=
dblasting is a no-no as it will pit the ceramic insulator and can cause iss=
ues. <br /><br />I came across a YouTube video by David Vizard where he cla=
ims E3 Diamond 'Split Fire' plugs produced slightly better mileage; yep, E3=
 makes a plug for Big Healeys (6-cyl only, I think). I've heard rumors that=
 counterfeit NGK plugs are in the market.<br /><br /><br /><u></u><u></u></=
p>
<div>
<p class=3D"MsoNormal">On 3/18/2023 9:49 AM, Simon Lachlan via Healeys wrot=
e:<u></u><u></u></p>
</div>
<blockquote style=3D"margin-top: 5pt; margin-bottom: 5pt;">
<p class=3D"MsoNormal"><span style=3D"font-size: 12pt; font-family: &amp;qu=
ot;">Here&rsquo;s a can of worms that we haven&rsquo;t delved into for a wh=
ile&hellip;.</span><u></u><u></u></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 12pt; font-family: &amp;qu=
ot;">So, I&rsquo;m trying to get all my ducks in a row for a short run abro=
ad. Car is a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch an=
d 123Ignition plus a so-called Sports Coil.</span><u></u><u></u></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 12pt; font-family: &amp;qu=
ot;">&nbsp;</span><u></u><u></u></p>
<ol style=3D"margin-top: 0cm;" start=3D"1" type=3D"1">
<li class=3D"m_4506245762485897014MsoListParagraph" style=3D"margin-left: 0=
cm;"><span style=3D"font-size: 12pt; font-family: &amp;quot;">I was looking=
 through my library of files on Healey topics and saw that we were all over=
 the place on plug gaps&hellip;..all the way up to 0.035&rdquo;. So what&rs=
quo;s the opinion there??</span><u></u><u></u></li>
<li class=3D"m_4506245762485897014MsoListParagraph" style=3D"margin-left: 0=
cm;"><span style=3D"font-size: 12pt; font-family: &amp;quot;">And which plu=
g? Seemed to be mostly between NGK&rsquo;s BP6ES &amp; BP5ES. Was a hold-ou=
t for their B8EGV 5627</span><span style=3D"font-size: 12pt;">&nbsp; but th=
at</span><span style=3D"font-size: 12pt; font-family: &amp;quot;"> was dism=
issed fairly vigorously by Jeremy Welch as being way OTT for normal road us=
e.</span><u></u><u></u></li>
<li class=3D"m_4506245762485897014MsoListParagraph" style=3D"margin-left: 0=
cm;"><span style=3D"font-size: 12pt; font-family: &amp;quot;">And, I have 1=
2,000 miles+++ as plug replacement mileage so long as they still look and p=
erform OK. Any thoughts?</span><u></u><u></u></li>
</ol>
<p class=3D"m_4506245762485897014MsoListParagraph"><span style=3D"font-size=
: 12pt; font-family: &amp;quot;">&nbsp;</span><u></u><u></u></p>
<p class=3D"m_4506245762485897014MsoListParagraph"><span style=3D"font-size=
: 12pt; font-family: &amp;quot;">Thanks, Simon</span><u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
</blockquote>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
</div>
</div>
_______________________________________________<br />Support Team.Net <a hr=
ef=3D"http://www.team.net/donate.html" rel=3D"noreferrer">http://www.team.n=
et/donate.html</a><br />Suggested annual donation&nbsp; $12.75<br /><br />A=
rchive: <a href=3D"http://www.team.net/pipermail/healeys" rel=3D"noreferrer=
">http://www.team.net/pipermail/healeys</a> <a href=3D"http://autox.team.ne=
t/archive/healeys" rel=3D"noreferrer">http://autox.team.net/archive/healeys=
</a><br /><br /><a href=3D"mailto:[email-masked]">[email-masked]=
m.net</a><br /><a href=3D"http://autox.team.net/mailman/listinfo/healeys" r=
el=3D"noreferrer">http://autox.team.net/mailman/listinfo/healeys</a><br /><=
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ilman/options/healeys/[email-masked]</a><br /><br /></div>
</blockquote>
</div>
</div>=EF=BB=BF</body></html>
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[email-masked]

--===============0946421443278519698==--

---

From: Bob Spidell <[email-masked]>
Date: Sun, 19 Mar 2023 08:42:18 -0700

This is a multi-part message in MIME format.
--===============5734268461059931701==
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I suspect, but don't know for a fact, that resistor plugs limit some of 
the /current/ to the plug, and may somewhat reduce erosion of the 
terminals. The voltage drop across the resistor is inconsequential 
compared to the voltage required to jump the gap. Non-resistor plugs do 
produce a hotter spark.

https://www.championautoparts.com/Technical/Tech-Tips/decoding-champion-spark-plugs.html

On 3/19/2023 6:52 AM, Michael Oritt wrote:
> interference with car radios, which I don’t have,"
> On Sun, Mar 19, 2023 at 8:11 AM m.g.sharp--- via Healeys 
> <[email-masked]> wrote:
>
>     I do exactly what Bob does with my BT7 except I use a non-resistor
>     plug – Champion N12YC and 0.028” gap.  I too use a Lucas Sports
>     coil.  I always thought the resistor plugs were to introduced to
>     supress interference with car radios, which I don’t have, but I am
>     happy to be corrected on that.   I think plugs are unnecessarily
>     changed too frequently. I remove them once in a while (every few
>     years) and clean and check the gaps.  I run them until they shows
>     signs of deterioration.  I have never had a plug fail me in the
>     Healey.
>
>     Mirek
>
>     *From:*Healeys <[email-masked]> *On Behalf Of *Bob
>     Spidell
>     recommended is for a 100M (RN10C?). With Pertronix Ignitors in
>     both, I run slightly over 'book' value (0.025") at 0.028" and both
>     run very well (I also run stranded copper wire secondaries, so the
>     'R' is important, plus the plug caps have a resistor in them as
>     well). My one-time auto shop teacher father maintained whatever
>     spark was sufficient to ignite the mixture was adequate--mixture
>     and compression took it from there--but a larger gap induces a
>     'hotter' spark which may be beneficial with leaner mixtures and at
>     higher engine RPM (but has less margin as the electrode erodes). A
>     larger gap requires the coil to produce more secondary voltage to
>     jump the gap; a sports coil may be required to produce a
>     consistent spark. 12K miles on plugs is fine in my experience--as
>     long as the engine is in good nick--and they can be cleaned and
>     re-gapped at least once. Sandblasting is a no-no as it will pit
>     the ceramic insulator and can cause issues.
>
>     Diamond 'Split Fire' plugs produced slightly better mileage; yep,
>     E3 makes a plug for Big Healeys (6-cyl only, I think). I've heard
>     rumors that counterfeit NGK plugs are in the market.
>
>
>         So, I’m trying to get all my ducks in a row for a short run
>         abroad. Car is a MkII BT7 with a DW fast road cam, 3 HD6s, big
>         bore 6 branch and 123Ignition plus a so-called Sports Coil.
>
>          1. I was looking through my library of files on Healey topics
>             and saw that we were all over the place on plug gaps…..all
>             the way up to 0.035”. So what’s the opinion there??
>          2. And which plug? Seemed to be mostly between NGK’s BP6ES &
>             BP5ES. Was a hold-out for their B8EGV 5627  but thatwas
>             dismissed fairly vigorously by Jeremy Welch as being way
>             OTT for normal road use.
>          3. And, I have 12,000 miles+++ as plug replacement mileage so
>             long as they still look and perform OK. Any thoughts?
>
>         Thanks, Simon
>
>

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<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    I suspect, but don't know for a fact, that resistor plugs limit some
    of the <i>current</i> to the plug, and may somewhat reduce erosion
    of the terminals. The voltage drop across the resistor is
    inconsequential compared to the voltage required to jump the gap.
    Non-resistor plugs do produce a hotter spark.<br>
    <br>
<a class="moz-txt-link-freetext" href="https://www.championautoparts.com/Technical/Tech-Tips/decoding-champion-spark-plugs.html">https://www.championautoparts.com/Technical/Tech-Tips/decoding-champion-spark-plugs.html</a><br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 3/19/2023 6:52 AM, Michael Oritt
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)">"I always thought the resistor
            plugs were to introduced to suppress interference with car
            radios, which I don’t have,"</span><br>
        </div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)">-----------------------------------------------------</span></div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)">They also eliminate your
            ignition's noise in nearby vehicles.</span></div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)"><br>
          </span></div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)">Best--Michael Oritt</span></div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)"><br>
          </span></div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Sun, Mar 19, 2023 at
          8:11 AM m.g.sharp--- via Healeys &lt;<a
            href="mailto:[email-masked]" moz-do-not-send="true"
            class="moz-txt-link-freetext">[email-masked]</a>&gt;
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div class="msg4506245762485897014">
            <div style="overflow-wrap: break-word;" lang="EN-CA">
              <div class="m_4506245762485897014WordSection1">
                <p class="MsoNormal">I do exactly what Bob does with my
                  BT7 except I use a non-resistor plug – Champion N12YC
                  and 0.028” gap.  I too use a Lucas Sports coil.  I
                  always thought the resistor plugs were to introduced
                  to supress interference with car radios, which I don’t
                  have, but I am happy to be corrected on that.   I
                  think plugs are unnecessarily changed too frequently. 
                  I remove them once in a while (every few years) and
                  clean and check the gaps.  I run them until they shows
                  signs of deterioration.  I have never had a plug fail
                  me in the Healey.</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">Mirek</p>
                <p class="MsoNormal"> </p>
                <div>
                  <div
style="border-right:none;border-bottom:none;border-left:none;border-top:1pt
                    solid rgb(225,225,225);padding:3pt 0cm 0cm">
                    <p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span
                        lang="EN-US"> Healeys &lt;<a
                          href="mailto:[email-masked]"
                          target="_blank" moz-do-not-send="true"
                          class="moz-txt-link-freetext">[email-masked]</a>&gt;
                        <b>On Behalf Of </b>Bob Spidell<br>
                        <b>Sent:</b> March 18, 2023 2:17 PM<br>
                        <b>To:</b> <a
                          href="mailto:[email-masked]"
                          target="_blank" moz-do-not-send="true"
                          class="moz-txt-link-freetext">[email-masked]</a><br>
                        <b>Subject:</b> Re: [Healeys] Plugs</span></p>
                  </div>
                </div>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal" style="margin-bottom:12pt">I've run
                  over 150K miles on Champion plugs with nary an issue
                  (and will continue to do so); RN12YC for the BJ8 and
                  whatever the recommended is for a 100M (RN10C?). With
                  Pertronix Ignitors in both, I run slightly over 'book'
                  value (0.025") at 0.028" and both run very well (I
                  also run stranded copper wire secondaries, so the 'R'
                  is important, plus the plug caps have a resistor in
                  them as well). My one-time auto shop teacher father
                  maintained whatever spark was sufficient to ignite the
                  mixture was adequate--mixture and compression took it
                  from there--but a larger gap induces a 'hotter' spark
                  which may be beneficial with leaner mixtures and at
                  higher engine RPM (but has less margin as the
                  electrode erodes). A larger gap requires the coil to
                  produce more secondary voltage to jump the gap; a
                  sports coil may be required to produce a consistent
                  spark. 12K miles on plugs is fine in my experience--as
                  long as the engine is in good nick--and they can be
                  cleaned and re-gapped at least once. Sandblasting is a
                  no-no as it will pit the ceramic insulator and can
                  cause issues. <br>
                  <br>
                  I came across a YouTube video by David Vizard where he
                  claims E3 Diamond 'Split Fire' plugs produced slightly
                  better mileage; yep, E3 makes a plug for Big Healeys
                  (6-cyl only, I think). I've heard rumors that
                  counterfeit NGK plugs are in the market.<br>
                  <br>
                  <br>
                  <span></span></p>
                <div>
                  <p class="MsoNormal">On 3/18/2023 9:49 AM, Simon
                    Lachlan via Healeys wrote:</p>
                </div>
                <blockquote style="margin-top:5pt;margin-bottom:5pt">
                  <p class="MsoNormal"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif">Here’s a can of worms
                      that we haven’t delved into for a while….</span></p>
                  <p class="MsoNormal"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif">So, I’m trying to get
                      all my ducks in a row for a short run abroad. Car
                      is a MkII BT7 with a DW fast road cam, 3 HD6s, big
                      bore 6 branch and 123Ignition plus a so-called
                      Sports Coil.</span></p>
                  <p class="MsoNormal"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif"> </span></p>
                  <ol style="margin-top:0cm" type="1" start="1">
                    <li class="m_4506245762485897014MsoListParagraph"
                      style="margin-left:0cm"><span
                        style="font-size:12pt;font-family:&quot;Times
                        New Roman ,serif&quot;,serif">I was looking
                        through my library of files on Healey topics and
                        saw that we were all over the place on plug
                        gaps…..all the way up to 0.035”. So what’s the
                        opinion there??</span></li>
                    <li class="m_4506245762485897014MsoListParagraph"
                      style="margin-left:0cm"><span
                        style="font-size:12pt;font-family:&quot;Times
                        New Roman ,serif&quot;,serif">And which plug?
                        Seemed to be mostly between NGK’s BP6ES &amp;
                        BP5ES. Was a hold-out for their B8EGV 5627</span><span
                        style="font-size:12pt">  but that</span><span
                        style="font-size:12pt;font-family:&quot;Times
                        New Roman ,serif&quot;,serif"> was dismissed
                        fairly vigorously by Jeremy Welch as being way
                        OTT for normal road use.</span></li>
                    <li class="m_4506245762485897014MsoListParagraph"
                      style="margin-left:0cm"><span
                        style="font-size:12pt;font-family:&quot;Times
                        New Roman ,serif&quot;,serif">And, I have 12,000
                        miles+++ as plug replacement mileage so long as
                        they still look and perform OK. Any thoughts?</span></li>
                  </ol>
                  <p class="m_4506245762485897014MsoListParagraph"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif"> </span></p>
                  <p class="m_4506245762485897014MsoListParagraph"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif">Thanks, Simon</span></p>
                  <p class="MsoNormal"><span> </span></p>
                </blockquote>
                <p class="MsoNormal"><span> </span></p>
              </div>
            </div>
            <br>
          </div>
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From: Bob Spidell <[email-masked]>
Date: Sun, 19 Mar 2023 09:15:02 -0700

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Now that I've had my first cup of coffee and am somewhat sentient I 
recalled that Pertronix advises /against/ using stranded metal wire 
secondaries with its Ignitor units. This made no sense to me because the 
coil effectively electronically isolates the primary circuit the Ignitor 
controls from the secondary, high voltage circuit (coils are sometimes 
used in electrical circuits for this property). But, someone pointed out 
the EMI from metal wires could adversely affect the Ignitor as it 
employs a Hall Effect sensor to detect the rotation of the distributor 
shaft (6-cyl Ignitors have a collar with 6 magnets, the 4-cyl units can 
apparently detect the lobes from their shape and don't require the 
collar, and there's likely little to no room for one anyway*). IOW, a 
strong magnetic field could affect an Ignitor's ability to sense the 
magnets or cam lobes. If the Pertronix people--who I've found to be very 
knowledgeable and helpful--encountered this just a few times they would 
likely issue a broad advisory against it (I suspect 95% plus of their 
business is with the hot rod crowd, who likely use suppressor wires 
because they're prettier). So, if you use a Pertronix Ignitor, use 
non-resistor plugs and have sporadic misfires you could try using 
resistor plugs. Offhand, I think most of the plug caps offered by 
suppliers have resistors.

* When I first opened the box for my BN2's Ignitor I thought 'Crap, they 
forget to send the magnet collar.' Then, I broke down and read the 
instructions.

> interference with car radios, which I don’t have,"

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    Now that I've had my first cup of coffee and am somewhat sentient I
    recalled that Pertronix advises <i>against</i> using stranded metal
    wire secondaries with its Ignitor units. This made no sense to me
    because the coil effectively electronically isolates the primary
    circuit the Ignitor controls from the secondary, high voltage
    circuit (coils are sometimes used in electrical circuits for this
    property). But, someone pointed out the EMI from metal wires could
    adversely affect the Ignitor as it employs a Hall Effect sensor to
    detect the rotation of the distributor shaft (6-cyl Ignitors have a
    collar with 6 magnets, the 4-cyl units can apparently detect the
    lobes from their shape and don't require the collar, and there's
    likely little to no room for one anyway*). IOW, a strong magnetic
    field could affect an Ignitor's ability to sense the magnets or cam
    lobes. If the Pertronix people--who I've found to be very
    knowledgeable and helpful--encountered this just a few times they
    would likely issue a broad advisory against it (I suspect 95% plus
    of their business is with the hot rod crowd, who likely use
    suppressor wires because they're prettier). So, if you use a
    Pertronix Ignitor, use non-resistor plugs and have sporadic misfires
    you could try using resistor plugs. Offhand, I think most of the
    plug caps offered by suppliers have resistors.<br>
    <br>
    * When I first opened the box for my BN2's Ignitor I thought 'Crap,
    they forget to send the magnet collar.' Then, I broke down and read
    the instructions.<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 3/19/2023 6:52 AM, Michael Oritt
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)">"I always thought the resistor
            plugs were to introduced to suppress interference with car
            radios, which I don’t have,"</span><br>
        </div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)">-----------------------------------------------------</span></div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)">They also eliminate your
            ignition's noise in nearby vehicles.</span></div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)"><br>
          </span></div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)">Best--Michael Oritt</span></div>
        <div class="gmail_default" style="color:#3333ff"><span
            style="color:rgb(34,34,34)"><br>
          </span></div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Sun, Mar 19, 2023 at
          8:11 AM m.g.sharp--- via Healeys &lt;<a
            href="mailto:[email-masked]" moz-do-not-send="true"
            class="moz-txt-link-freetext">[email-masked]</a>&gt;
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div class="msg4506245762485897014">
            <div style="overflow-wrap: break-word;" lang="EN-CA">
              <div class="m_4506245762485897014WordSection1">
                <p class="MsoNormal">I do exactly what Bob does with my
                  BT7 except I use a non-resistor plug – Champion N12YC
                  and 0.028” gap.  I too use a Lucas Sports coil.  I
                  always thought the resistor plugs were to introduced
                  to supress interference with car radios, which I don’t
                  have, but I am happy to be corrected on that.   I
                  think plugs are unnecessarily changed too frequently. 
                  I remove them once in a while (every few years) and
                  clean and check the gaps.  I run them until they shows
                  signs of deterioration.  I have never had a plug fail
                  me in the Healey.</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">Mirek</p>
                <p class="MsoNormal"> </p>
                <div>
                  <div
style="border-right:none;border-bottom:none;border-left:none;border-top:1pt
                    solid rgb(225,225,225);padding:3pt 0cm 0cm">
                    <p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span
                        lang="EN-US"> Healeys &lt;<a
                          href="mailto:[email-masked]"
                          target="_blank" moz-do-not-send="true"
                          class="moz-txt-link-freetext">[email-masked]</a>&gt;
                        <b>On Behalf Of </b>Bob Spidell<br>
                        <b>Sent:</b> March 18, 2023 2:17 PM<br>
                        <b>To:</b> <a
                          href="mailto:[email-masked]"
                          target="_blank" moz-do-not-send="true"
                          class="moz-txt-link-freetext">[email-masked]</a><br>
                        <b>Subject:</b> Re: [Healeys] Plugs</span></p>
                  </div>
                </div>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal" style="margin-bottom:12pt">I've run
                  over 150K miles on Champion plugs with nary an issue
                  (and will continue to do so); RN12YC for the BJ8 and
                  whatever the recommended is for a 100M (RN10C?). With
                  Pertronix Ignitors in both, I run slightly over 'book'
                  value (0.025") at 0.028" and both run very well (I
                  also run stranded copper wire secondaries, so the 'R'
                  is important, plus the plug caps have a resistor in
                  them as well). My one-time auto shop teacher father
                  maintained whatever spark was sufficient to ignite the
                  mixture was adequate--mixture and compression took it
                  from there--but a larger gap induces a 'hotter' spark
                  which may be beneficial with leaner mixtures and at
                  higher engine RPM (but has less margin as the
                  electrode erodes). A larger gap requires the coil to
                  produce more secondary voltage to jump the gap; a
                  sports coil may be required to produce a consistent
                  spark. 12K miles on plugs is fine in my experience--as
                  long as the engine is in good nick--and they can be
                  cleaned and re-gapped at least once. Sandblasting is a
                  no-no as it will pit the ceramic insulator and can
                  cause issues. <br>
                  <br>
                  I came across a YouTube video by David Vizard where he
                  claims E3 Diamond 'Split Fire' plugs produced slightly
                  better mileage; yep, E3 makes a plug for Big Healeys
                  (6-cyl only, I think). I've heard rumors that
                  counterfeit NGK plugs are in the market.<br>
                  <br>
                  <br>
                  <span></span></p>
                <div>
                  <p class="MsoNormal">On 3/18/2023 9:49 AM, Simon
                    Lachlan via Healeys wrote:</p>
                </div>
                <blockquote style="margin-top:5pt;margin-bottom:5pt">
                  <p class="MsoNormal"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif">Here’s a can of worms
                      that we haven’t delved into for a while….</span></p>
                  <p class="MsoNormal"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif">So, I’m trying to get
                      all my ducks in a row for a short run abroad. Car
                      is a MkII BT7 with a DW fast road cam, 3 HD6s, big
                      bore 6 branch and 123Ignition plus a so-called
                      Sports Coil.</span></p>
                  <p class="MsoNormal"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif"> </span></p>
                  <ol style="margin-top:0cm" type="1" start="1">
                    <li class="m_4506245762485897014MsoListParagraph"
                      style="margin-left:0cm"><span
                        style="font-size:12pt;font-family:&quot;Times
                        New Roman ,serif&quot;,serif">I was looking
                        through my library of files on Healey topics and
                        saw that we were all over the place on plug
                        gaps…..all the way up to 0.035”. So what’s the
                        opinion there??</span></li>
                    <li class="m_4506245762485897014MsoListParagraph"
                      style="margin-left:0cm"><span
                        style="font-size:12pt;font-family:&quot;Times
                        New Roman ,serif&quot;,serif">And which plug?
                        Seemed to be mostly between NGK’s BP6ES &amp;
                        BP5ES. Was a hold-out for their B8EGV 5627</span><span
                        style="font-size:12pt">  but that</span><span
                        style="font-size:12pt;font-family:&quot;Times
                        New Roman ,serif&quot;,serif"> was dismissed
                        fairly vigorously by Jeremy Welch as being way
                        OTT for normal road use.</span></li>
                    <li class="m_4506245762485897014MsoListParagraph"
                      style="margin-left:0cm"><span
                        style="font-size:12pt;font-family:&quot;Times
                        New Roman ,serif&quot;,serif">And, I have 12,000
                        miles+++ as plug replacement mileage so long as
                        they still look and perform OK. Any thoughts?</span></li>
                  </ol>
                  <p class="m_4506245762485897014MsoListParagraph"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif"> </span></p>
                  <p class="m_4506245762485897014MsoListParagraph"><span
                      style="font-size:12pt;font-family:&quot;Times New
                      Roman ,serif&quot;,serif">Thanks, Simon</span></p>
                  <p class="MsoNormal"><span> </span></p>
                </blockquote>
                <p class="MsoNormal"><span> </span></p>
              </div>
            </div>
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From: Bob Spidell <[email-masked]>
Date: Sun, 19 Mar 2023 09:33:46 -0700

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Josef, you're nothing if not consistent.

On 3/19/2023 7:25 AM, josef-eckert--- via Healeys wrote:
>
> I do not care what kind of noices arein nearby vehicles.
>

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    Josef, you're nothing if not consistent.<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 3/19/2023 7:25 AM, josef-eckert---
      via Healeys wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:[email-masked]">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title></title>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">I
          do not care what kind of noices are<span style="color:
            #222222;"> in nearby vehicles.</span><br>
        </span></p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none"> </span></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;">-----Original-Nachricht-----</p>
      <p style="margin: 0px;">Betreff: Re: [Healeys] Plugs</p>
      <p style="margin: 0px;">Datum: 2023-03-19T15:15:37+0100</p>
      <p style="margin: 0px;">Von: "Michael Oritt"
        <a class="moz-txt-link-rfc2396E" href="mailto:[email-masked]">&lt;[email-masked]&gt;</a></p>
      <p style="margin: 0px;">An: <a class="moz-txt-link-rfc2396E" href="mailto:[email-masked]">"[email-masked]"</a>
        <a class="moz-txt-link-rfc2396E" href="mailto:[email-masked]">&lt;[email-masked]&gt;</a></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <div style="position: relative; color: #000000; font: 12px
        Arial,Helvetica,sans-serif;">
        <div dir="ltr">
          <div class="gmail_default" style="color: #3333ff;"><span
              style="color: #222222;">"I always thought the resistor
              plugs were to introduced to suppress interference with car
              radios, which I don’t have,"</span></div>
          <div class="gmail_default" style="color: #3333ff;"><span
              style="color: #222222;">-----------------------------------------------------</span></div>
          <div class="gmail_default" style="color: #3333ff;"><span
              style="color: #222222;">They also eliminate your
              ignition's noise in nearby vehicles.</span></div>
          <div class="gmail_default" style="color: #3333ff;"><span
              style="color: #222222;"> </span></div>
          <div class="gmail_default" style="color: #3333ff;"><span
              style="color: #222222;">Best--Michael Oritt</span></div>
          <div class="gmail_default" style="color: #3333ff;"><span
              style="color: #222222;"> </span></div>
        </div>
        <br>
        <div class="gmail_quote">
          <div class="gmail_attr" dir="ltr">On Sun, Mar 19, 2023 at
            8:11 AM m.g.sharp--- via Healeys &lt;<a
              href="mailto:[email-masked]"
              moz-do-not-send="true" class="moz-txt-link-freetext">[email-masked]</a>&gt;
            wrote:</div>
          <blockquote class="gmail_quote" style="margin: 0px 0px 0px
            0.8ex; border-left: 1px solid #cccccc; padding-left: 1ex;">
            <div class="msg4506245762485897014">
              <div style="overflow-wrap: break-word;" lang="EN-CA">
                <div class="m_4506245762485897014WordSection1">
                  <p class="MsoNormal">I do exactly what Bob does with
                    my BT7 except I use a non-resistor plug – Champion
                    N12YC and 0.028” gap.  I too use a Lucas Sports
                    coil.  I always thought the resistor plugs were to
                    introduced to supress interference with car radios,
                    which I don’t have, but I am happy to be corrected
                    on that.   I think plugs are unnecessarily changed
                    too frequently.  I remove them once in a while
                    (every few years) and clean and check the gaps.  I
                    run them until they shows signs of deterioration.  I
                    have never had a plug fail me in the Healey.</p>
                  <p class="MsoNormal"> </p>
                  <p class="MsoNormal">Mirek</p>
                  <p class="MsoNormal"> </p>
                  <div>
                    <div style="border-right: none; border-bottom: none;
                      border-left: none; border-top: 1pt solid #e1e1e1;
                      padding: 3pt 0cm 0cm;">
                      <p class="MsoNormal"><strong><span lang="EN-US">From:</span></strong><span
                          lang="EN-US"> Healeys &lt;<a
                            href="mailto:[email-masked]"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">[email-masked]</a>&gt;
                          <strong>On Behalf Of </strong>Bob Spidell<br>
                          <strong>Sent:</strong> March 18, 2023 2:17 PM<br>
                          <strong>To:</strong> <a
                            href="mailto:[email-masked]"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">[email-masked]</a><br>
                          <strong>Subject:</strong> Re: [Healeys] Plugs</span></p>
                    </div>
                  </div>
                  <p class="MsoNormal"> </p>
                  <p class="MsoNormal" style="margin-bottom: 12pt;">I've
                    run over 150K miles on Champion plugs with nary an
                    issue (and will continue to do so); RN12YC for the
                    BJ8 and whatever the recommended is for a 100M
                    (RN10C?). With Pertronix Ignitors in both, I run
                    slightly over 'book' value (0.025") at 0.028" and
                    both run very well (I also run stranded copper wire
                    secondaries, so the 'R' is important, plus the plug
                    caps have a resistor in them as well). My one-time
                    auto shop teacher father maintained whatever spark
                    was sufficient to ignite the mixture was
                    adequate--mixture and compression took it from
                    there--but a larger gap induces a 'hotter' spark
                    which may be beneficial with leaner mixtures and at
                    higher engine RPM (but has less margin as the
                    electrode erodes). A larger gap requires the coil to
                    produce more secondary voltage to jump the gap; a
                    sports coil may be required to produce a consistent
                    spark. 12K miles on plugs is fine in my
                    experience--as long as the engine is in good
                    nick--and they can be cleaned and re-gapped at least
                    once. Sandblasting is a no-no as it will pit the
                    ceramic insulator and can cause issues. <br>
                    <br>
                    I came across a YouTube video by David Vizard where
                    he claims E3 Diamond 'Split Fire' plugs produced
                    slightly better mileage; yep, E3 makes a plug for
                    Big Healeys (6-cyl only, I think). I've heard rumors
                    that counterfeit NGK plugs are in the market.<br>
                    <br>
                    <br>
                  </p>
                  <div>
                    <p class="MsoNormal">On 3/18/2023 9:49 AM, Simon
                      Lachlan via Healeys wrote:</p>
                  </div>
                  <blockquote style="margin-top: 5pt; margin-bottom:
                    5pt;">
                    <p class="MsoNormal"><span style="font-size: 12pt;
                        font-family: &amp;quot;">Here’s a can of worms
                        that we haven’t delved into for a while….</span></p>
                    <p class="MsoNormal"><span style="font-size: 12pt;
                        font-family: &amp;quot;">So, I’m trying to get
                        all my ducks in a row for a short run abroad.
                        Car is a MkII BT7 with a DW fast road cam, 3
                        HD6s, big bore 6 branch and 123Ignition plus a
                        so-called Sports Coil.</span></p>
                    <p class="MsoNormal"><span style="font-size: 12pt;
                        font-family: &amp;quot;"> </span></p>
                    <ol style="margin-top: 0cm;" type="1" start="1">
                      <li class="m_4506245762485897014MsoListParagraph"
                        style="margin-left: 0cm;"><span
                          style="font-size: 12pt; font-family:
                          &amp;quot;">I was looking through my library
                          of files on Healey topics and saw that we were
                          all over the place on plug gaps…..all the way
                          up to 0.035”. So what’s the opinion there??</span></li>
                      <li class="m_4506245762485897014MsoListParagraph"
                        style="margin-left: 0cm;"><span
                          style="font-size: 12pt; font-family:
                          &amp;quot;">And which plug? Seemed to be
                          mostly between NGK’s BP6ES &amp; BP5ES. Was a
                          hold-out for their B8EGV 5627</span><span
                          style="font-size: 12pt;">  but that</span><span
                          style="font-size: 12pt; font-family:
                          &amp;quot;"> was dismissed fairly vigorously
                          by Jeremy Welch as being way OTT for normal
                          road use.</span></li>
                      <li class="m_4506245762485897014MsoListParagraph"
                        style="margin-left: 0cm;"><span
                          style="font-size: 12pt; font-family:
                          &amp;quot;">And, I have 12,000 miles+++ as
                          plug replacement mileage so long as they still
                          look and perform OK. Any thoughts?</span></li>
                    </ol>
                    <p class="m_4506245762485897014MsoListParagraph"><span
                        style="font-size: 12pt; font-family: &amp;quot;"> </span></p>
                    <p class="m_4506245762485897014MsoListParagraph"><span
                        style="font-size: 12pt; font-family: &amp;quot;">Thanks,
                        Simon</span></p>
                    <p class="MsoNormal"> </p>
                  </blockquote>
                  <p class="MsoNormal"> </p>
                </div>
              </div>
              <br>
            </div>
          </blockquote>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
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[email-masked]

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---

From: "m.g.sharp--- via Healeys" <[email-masked]>
Date: Sun, 19 Mar 2023 12:36:32 -0400

--===============0268675233718540388==
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I need to by Joseph a pint for that unqualified agreement with me!

=20

From: [email-masked] <[email-masked]>=20
Sent: March 19, 2023 9:01 AM
To: [email-masked]; Bob Spidell <[email-masked]>; =
[email-masked]
Subject: AW: [Healeys] Plugs

=20

I second Mirek in all.

=20

Josef

=20

=20

=20

-----Original-Nachricht-----

Von: "m.g.sharp--- via Healeys" <[email-masked] =

=20

=20

=20

=20

Mirek

=20

From: Healeys <[email-masked] =
Sent: March 18, 2023 2:17 PM
Subject: Re: [Healeys] Plugs

=20

=20

=20

Thanks, Simon

=20

=20

=EF=BB=BF

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<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-CA link=3Dblue =
vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'>I need to by Joseph a pint for that =
unqualified agreement with me!<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div><di=
v style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span =
lang=3DEN-US>From:</span></b><span lang=3DEN-US> =
[email-masked] &lt;[email-masked]&gt; =
<br><b>Sent:</b> March 19, 2023 9:01 AM<br><b>To:</b> =
[email-masked]; Bob Spidell &lt;[email-masked]&gt;; =
[email-masked]<br><b>Subject:</b> AW: [Healeys] =
Plugs<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p style=3D'margin:0cm'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>I =
second Mirek in all.</span><o:p></o:p></p><p =
style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><p style=3D'margin:0cm'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Jos=
ef</span><o:p></o:p></p><p style=3D'margin:0cm'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;</span><o:p></o:p></p><p style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><p =
style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><p =
style=3D'margin:0cm'>-----Original-Nachricht-----<o:p></o:p></p><p =
style=3D'margin:0cm'>Betreff: Re: [Healeys] Plugs<o:p></o:p></p><p =
style=3D'margin:0cm'>Datum: 2023-03-19T13:25:21+0100<o:p></o:p></p><p =
style=3D'margin:0cm'>Von: &quot;m.g.sharp--- via Healeys&quot; &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<o:p=
></o:p></p><p style=3D'margin:0cm'>An: &quot;'Bob Spidell'&quot; &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;, =
&quot;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&quot; =
&lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<o:p=
></o:p></p><p style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><p =
style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><p =
style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>I =
do exactly what Bob does with my BT7 except I use a non-resistor plug =
=E2=80=93 Champion N12YC and 0.028=E2=80=9D gap.&nbsp; I too use a Lucas =
Sports coil. &nbsp;I always thought the resistor plugs were to =
introduced to supress interference with car radios, which I =
don=E2=80=99t have, but I am happy to be corrected on that.&nbsp; =
&nbsp;I think plugs are unnecessarily changed too frequently.&nbsp; I =
remove them once in a while (every few years) and clean and check the =
gaps.&nbsp; I run them until they shows signs of deterioration.&nbsp; I =
have never had a plug fail me in the Healey.<o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>&nbs=
p;<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>Mire=
k<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>&nbs=
p;<o:p></o:p></span></p><div><div style=3D'border:none;border-top:solid =
#E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><strong><spa=
n lang=3DEN-US =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>From=
:</span></strong><span lang=3DEN-US =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'> =
Healeys &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]=
.net</a>&gt; <strong><span style=3D'font-family:"Arial",sans-serif'>On =
Behalf Of </span></strong>Bob Spidell<br><strong><span =
style=3D'font-family:"Arial",sans-serif'>Sent:</span></strong> March 18, =
2023 2:17 PM<br><strong><span =
style=3D'font-family:"Arial",sans-serif'>To:</span></strong> <a =
href=3D"mailto:[email-masked]">[email-masked]</a><br><str=
ong><span =
style=3D'font-family:"Arial",sans-serif'>Subject:</span></strong> Re: =
[Healeys] Plugs</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
></o:p></span></p></div></div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>&nbs=
p;<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;margin-bottom:12.0pt'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>I've=
 run over 150K miles on Champion plugs with nary an issue (and will =
continue to do so); RN12YC for the BJ8 and whatever the recommended is =
for a 100M (RN10C?). With Pertronix Ignitors in both, I run slightly =
over 'book' value (0.025&quot;) at 0.028&quot; and both run very well (I =
also run stranded copper wire secondaries, so the 'R' is important, plus =
the plug caps have a resistor in them as well). My one-time auto shop =
teacher father maintained whatever spark was sufficient to ignite the =
mixture was adequate--mixture and compression took it from there--but a =
larger gap induces a 'hotter' spark which may be beneficial with leaner =
mixtures and at higher engine RPM (but has less margin as the electrode =
erodes). A larger gap requires the coil to produce more secondary =
voltage to jump the gap; a sports coil may be required to produce a =
consistent spark. 12K miles on plugs is fine in my experience--as long =
as the engine is in good nick--and they can be cleaned and re-gapped at =
least once. Sandblasting is a no-no as it will pit the ceramic insulator =
and can cause issues. <br><br>I came across a YouTube video by David =
Vizard where he claims E3 Diamond 'Split Fire' plugs produced slightly =
better mileage; yep, E3 makes a plug for Big Healeys (6-cyl only, I =
think). I've heard rumors that counterfeit NGK plugs are in the =
market.<br><br><o:p></o:p></span></p><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>On =
3/18/2023 9:49 AM, Simon Lachlan via Healeys =
wrote:<o:p></o:p></span></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif;color:black'>Here=E2=80=99s a can of worms that we =
haven=E2=80=99t delved into for a while=E2=80=A6.</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif;color:black'>So, I=E2=80=99m trying to get all my ducks in =
a row for a short run abroad. Car is a MkII BT7 with a DW fast road cam, =
3 HD6s, big bore 6 branch and 123Ignition plus a so-called Sports =
Coil.</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif;color:black'>&nbsp;</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
></o:p></span></p><ol start=3D1 type=3D1><li class=3DMsoListParagraph =
style=3D'color:black;mso-list:l0 level1 lfo1'><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman ,serif",serif'>I =
was looking through my library of files on Healey topics and saw that we =
were all over the place on plug gaps=E2=80=A6..all the way up to =
0.035=E2=80=9D. So what=E2=80=99s the opinion there??</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif'><o:p></o:p></spa=
n></li><li class=3DMsoListParagraph style=3D'color:black;mso-list:l0 =
level1 lfo1'><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman ,serif",serif'>And which plug? Seemed to be mostly between =
NGK=E2=80=99s BP6ES &amp; BP5ES. Was a hold-out for their B8EGV =
5627</span><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif'>&nbsp; but =
that</span><span style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif'> was dismissed fairly vigorously by Jeremy Welch as being =
way OTT for normal road use.</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif'><o:p></o:p></spa=
n></li><li class=3DMsoListParagraph style=3D'color:black;mso-list:l0 =
level1 lfo1'><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman ,serif",serif'>And, I have 12,000 miles+++ as plug replacement =
mileage so long as they still look and perform OK. Any =
thoughts?</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif'><o:p></o:p></spa=
n></li></ol><p class=3DMsoListParagraph><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif;color:black'>&nbsp;</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
></o:p></span></p><p class=3DMsoListParagraph><span =
style=3D'font-size:12.0pt;font-family:"Times New Roman =
,serif",serif;color:black'>Thanks, Simon</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>&nbs=
p;<o:p></o:p></span></p></blockquote><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>&nbs=
p;<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal>=EF=BB=BF<o:p></o:p></p></div></body></html>
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[email-masked]

--===============0268675233718540388==--

---

From: "m.g.sharp--- via Healeys" <[email-masked]>
Date: Sun, 19 Mar 2023 12:38:19 -0400

--===============5827887603643494631==
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I second (Mirek) Joseph in all

=20

From: [email-masked] <[email-masked]>=20
Sent: March 19, 2023 10:25 AM
To: Michael Oritt <[email-masked]>; [email-masked]
Cc: [email-masked]
Subject: AW: [Healeys] Plugs

=20

=20

=20

=20

-----Original-Nachricht-----

Von: "Michael Oritt" <[email-masked] =

=20

=20

=20

"I always thought the resistor plugs were to introduced to suppress =
interference with car radios, which I don=E2=80=99t have,"

=20

Best--Michael Oritt

=20

=20

On Sun, Mar 19, 2023 at 8:11=E2=80=AFAM m.g.sharp--- via Healeys =

=20

Mirek

=20

=20

=20

=20

Thanks, Simon

=20

=20

Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys

=EF=BB=BF

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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-CA link=3Dblue =
vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>I =
second (Mirek) Joseph in all</span><span =
style=3D'mso-fareast-language:EN-US'><o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div><di=
v style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span =
lang=3DEN-US>From:</span></b><span lang=3DEN-US> =
[email-masked] &lt;[email-masked]&gt; =
<br><b>Sent:</b> March 19, 2023 10:25 AM<br><b>To:</b> Michael Oritt =
&lt;[email-masked]&gt;; [email-masked]<br><b>Cc:</b> =
[email-masked]<br><b>Subject:</b> AW: [Healeys] =
Plugs<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p style=3D'margin:0cm'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>I =
do not care what kind of noices are</span><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:#222222'> =
in nearby vehicles.</span><o:p></o:p></p><p style=3D'margin:0cm'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;</span><o:p></o:p></p><p style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><p =
style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><p =
style=3D'margin:0cm'>-----Original-Nachricht-----<o:p></o:p></p><p =
style=3D'margin:0cm'>Betreff: Re: [Healeys] Plugs<o:p></o:p></p><p =
style=3D'margin:0cm'>Datum: 2023-03-19T15:15:37+0100<o:p></o:p></p><p =
style=3D'margin:0cm'>Von: &quot;Michael Oritt&quot; &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<o=
:p></o:p></p><p style=3D'margin:0cm'>An: &quot;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&quot; =
&lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<o:p=
style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><p =
style=3D'margin:0cm'>&nbsp;<o:p></o:p></p><div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#222222'>&q=
uot;I always thought the resistor plugs were to introduced to suppress =
interference with car radios, which I don=E2=80=99t =
have,&quot;</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#3333FF'><o=
:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#222222'>--=
---------------------------------------------------</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#3333FF'><o=
:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#222222'>Th=
ey&nbsp;also eliminate your ignition's noise in nearby =
vehicles.</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#3333FF'><o=
:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#222222'>&n=
bsp;</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#3333FF'><o=
:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#222222'>Be=
st--Michael Oritt</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#3333FF'><o=
:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#222222'>&n=
bsp;</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:#3333FF'><o=
:p></o:p></span></p></div></div><p class=3DMsoNormal><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
>&nbsp;</o:p></span></p><div><div><p class=3DMsoNormal><span =
Sun, Mar 19, 2023 at 8:11=E2=80=AFAM m.g.sharp--- via Healeys &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><div><p =
Sports coil.&nbsp; I always thought the resistor plugs were to =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif;color:black'>Here=
=E2=80=99s a can of worms that we haven=E2=80=99t delved into for a =
while=E2=80=A6.</span><span =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif;color:black'>So, =
I=E2=80=99m trying to get all my ducks in a row for a short run abroad. =
Car is a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch and =
123Ignition plus a so-called Sports Coil.</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif;color:black'>&nbs=
p;</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
></o:p></span></p><ol start=3D1 type=3D1><li =
class=3Dm4506245762485897014msolistparagraph =
style=3D'color:black;mso-list:l0 level1 lfo1'><span =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif'>I was looking =
through my library of files on Healey topics and saw that we were all =
over the place on plug gaps=E2=80=A6..all the way up to 0.035=E2=80=9D. =
So what=E2=80=99s the opinion there??</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif'><o:p></o:p></spa=
n></li><li class=3Dm4506245762485897014msolistparagraph =
style=3D'color:black;mso-list:l0 level1 lfo1'><span =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif'>And which plug? =
Seemed to be mostly between NGK=E2=80=99s BP6ES &amp; BP5ES. Was a =
hold-out for their B8EGV 5627</span><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif'>&nbsp; but =
that</span><span =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif'> was dismissed =
fairly vigorously by Jeremy Welch as being way OTT for normal road =
use.</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif'><o:p></o:p></spa=
n></li><li class=3Dm4506245762485897014msolistparagraph =
style=3D'color:black;mso-list:l0 level1 lfo1'><span =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif'>And, I have =
12,000 miles+++ as plug replacement mileage so long as they still look =
and perform OK. Any thoughts?</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif'><o:p></o:p></spa=
n></li></ol><p class=3Dm4506245762485897014msolistparagraph><span =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif;color:black'>&nbs=
p;</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
></o:p></span></p><p class=3Dm4506245762485897014msolistparagraph><span =
style=3D'font-size:12.0pt;font-family:"&amp;quot",serif;color:black'>Than=
ks, Simon</span><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'><o:p=
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>&nbs=
p;<o:p></o:p></span></p></blockquote><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>&nbs=
p;<o:p></o:p></span></p></div></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:9.0pt;font-family:"Arial",sans-serif;color:black'>____=
___________________________________________<br>Support Team.Net <a =
href=3D"http://www.team.net/donate.html">http://www.team.net/donate.html<=
/a><br>Suggested annual donation&nbsp; $12.75<br><br>Archive: <a =
href=3D"http://www.team.net/pipermail/healeys">http://www.team.net/piperm=
ail/healeys</a> <a =
href=3D"http://autox.team.net/archive/healeys">http://autox.team.net/arch=
ive/healeys</a><br><br><a =
href=3D"mailto:[email-masked]">[email-masked]</a><br><a =
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.net/mailman/listinfo/healeys</a><br><br>Unsubscribe/Manage: <a =
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om</a><o:p></o:p></span></p></div></blockquote></div></div><p =
class=3DMsoNormal>=EF=BB=BF<o:p></o:p></p></div></body></html>
------=_NextPart_000_0060_01D95A5F.AF4555D0--

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Content-Disposition: inline

[email-masked]

--===============5827887603643494631==--

---

From: josef-eckert--- via Healeys <[email-masked]>
Date: Sun, 19 Mar 2023 17:53:43 +0100 (CET)

--===============2810085745211071061==
	boundary="----=_Part_927106_465628826.1679244823236"

------=_Part_927106_465628826.1679244823236
Content-Transfer-Encoding: quoted-printable

Mirek,
I have nothing against a pint, prefer IPA or German Weizen. But not for=20
that.
I just agree with what you said.
=20
Josef
=20
=20
=20
-----Original-Nachricht-----
Betreff: RE: [Healeys] Plugs
Datum: 2023-03-19T17:36:42+0100
Von: "[email-masked]" <[email-masked]>
An: "[email-masked]" <[email-masked]>, "'Bob Spidell'"=
=20
<[email-masked]>, "[email-masked]" <[email-masked]>
=20
=20
=20

=20

From: [email-masked] <[email-masked]>
Sent: March 19, 2023 9:01 AM
To: [email-masked]; Bob Spidell <[email-masked]>;=20
[email-masked]
Subject: AW: [Healeys] Plugs

=20

I second Mirek in all.
=20
Josef
=20
=20
=20
-----Original-Nachricht-----
Betreff: Re: [Healeys] Plugs
Datum: 2023-03-19T13:25:21+0100
Von: "m.g.sharp--- via Healeys" <[email-masked]
=20
=20
=20
=20

=20

Mirek

=20

=20

    =20

    =20

    Thanks, Simon

    =20

=20

=20

=EF=BB=BF
------=_Part_927106_465628826.1679244823236
Content-Transfer-Encoding: quoted-printable

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; charset=
=3DUTF-8"/><title></title></head><body><p style=3D"margin: 0px;"><span styl=
e=3D"font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;te=
xt-decoration:none">Mirek,<br /></span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">I have nothing agai=
nst a pint, prefer IPA or German Weizen. But not for that.</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">I just agree with w=
hat you said.</span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">Josef</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">&nbsp;</span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">-----Original-Nachricht-----</p>
<p style=3D"margin: 0px;">Betreff: RE: [Healeys] Plugs</p>
<p style=3D"margin: 0px;">Datum: 2023-03-19T17:36:42+0100</p>
<p style=3D"margin: 0px;">Von: "[email-masked]" &lt;m.g.sharp@sympa=
tico.ca&gt;</p>
<p style=3D"margin: 0px;">An: "[email-masked]" &lt;josef-eckert@t=
-online.de&gt;, "'Bob Spidell'" &lt;[email-masked]&gt;, "healeys@auto=
x.team.net" &lt;[email-masked]&gt;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<div style=3D"position: relative; color: #000000; font: 12px Arial,Helvetic=
a,sans-serif;">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language: EN-US;">I need =
to by Joseph a pint for that unqualified agreement with me!</span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language: EN-US;">&nbsp;<=
/span></p>
<div>
<div style=3D"border: none; border-top: solid #E1E1E1 1.0pt; padding: 3.0pt=
 0cm 0cm 0cm;">
<p class=3D"MsoNormal"><strong><span lang=3D"EN-US">From:</span></strong><s=
pan lang=3D"EN-US"> [email-masked] &lt;[email-masked]&g=
t; <br /><strong>Sent:</strong> March 19, 2023 9:01 AM<br /><strong>To:</st=
rong> [email-masked]; Bob Spidell &lt;[email-masked]&gt;; hea=
[email-masked]<br /><strong>Subject:</strong> AW: [Healeys] Plugs</spa=
n></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;</p>
<p style=3D"margin: 0px;"><span style=3D"font-size: 10.0pt; font-family: 'A=
rial',sans-serif; color: black;">I second Mirek in all.</span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;"><span style=3D"font-size: 10.0pt; font-family: 'A=
rial',sans-serif; color: black;">Josef</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-size: 10.0pt; font-family: 'A=
rial',sans-serif; color: black;">&nbsp;</span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">-----Original-Nachricht-----</p>
<p style=3D"margin: 0px;">Betreff: Re: [Healeys] Plugs</p>
<p style=3D"margin: 0px;">Datum: 2023-03-19T13:25:21+0100</p>
<p style=3D"margin: 0px;">Von: "m.g.sharp--- via Healeys" &lt;<a href=3D"ma=
ilto:[email-masked]">[email-masked]</a>&gt;</p>
<p style=3D"margin: 0px;">An: "'Bob Spidell'" &lt;<a href=3D"mailto:bspidel=
[email-masked]">[email-masked]</a>&gt;, "<a href=3D"mailto:healeys@aut=
ox.team.net">[email-masked]</a>" &lt;<a href=3D"mailto:healeys@auto=
x.team.net">[email-masked]</a>&gt;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-ser=
if; color: black;">I do exactly what Bob does with my BT7 except I use a no=
n-resistor plug &ndash; Champion N12YC and 0.028&rdquo; gap.&nbsp; I too us=
e a Lucas Sports coil. &nbsp;I always thought the resistor plugs were to in=
troduced to supress interference with car radios, which I don&rsquo;t have,=
 but I am happy to be corrected on that.&nbsp; &nbsp;I think plugs are unne=
cessarily changed too frequently.&nbsp; I remove them once in a while (ever=
y few years) and clean and check the gaps.&nbsp; I run them until they show=
s signs of deterioration.&nbsp; I have never had a plug fail me in the Heal=
ey.</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-ser=
if; color: black;">&nbsp;</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-ser=
if; color: black;">Mirek</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-ser=
if; color: black;">&nbsp;</span></p>
<div>
<div style=3D"border: none; border-top: solid #E1E1E1 1.0pt; padding: 3.0pt=
 0cm 0cm 0cm;">
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><strong><span lang=3D"EN-US" style=3D"font-size: 9.0pt; font-f=
amily: 'Arial',sans-serif; color: black;">From:</span></strong><span lang=
=3D"EN-US" style=3D"font-size: 9.0pt; font-family: 'Arial',sans-serif; colo=
r: black;"> Healeys &lt;<a href=3D"mailto:[email-masked]">h=
[email-masked]</a>&gt; <strong><span style=3D"font-family: '=
Arial',sans-serif;">On Behalf Of </span></strong>Bob Spidell<br /><strong><=
span style=3D"font-family: 'Arial',sans-serif;">Sent:</span></strong> March=
 18, 2023 2:17 PM<br /><strong><span style=3D"font-family: 'Arial',sans-ser=
if;">To:</span></strong> <a href=3D"mailto:[email-masked]">healeys@=
autox.team.net</a><br /><strong><span style=3D"font-family: 'Arial',sans-se=
rif;">Subject:</span></strong> Re: [Healeys] Plugs</span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-ser=
if; color: black;">&nbsp;</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; margin-bottom: 12=
.0pt;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-serif; co=
lor: black;">I've run over 150K miles on Champion plugs with nary an issue =
(and will continue to do so); RN12YC for the BJ8 and whatever the recommend=
ed is for a 100M (RN10C?). With Pertronix Ignitors in both, I run slightly =
over 'book' value (0.025") at 0.028" and both run very well (I also run str=
anded copper wire secondaries, so the 'R' is important, plus the plug caps =
have a resistor in them as well). My one-time auto shop teacher father main=
tained whatever spark was sufficient to ignite the mixture was adequate--mi=
xture and compression took it from there--but a larger gap induces a 'hotte=
r' spark which may be beneficial with leaner mixtures and at higher engine =
RPM (but has less margin as the electrode erodes). A larger gap requires th=
e coil to produce more secondary voltage to jump the gap; a sports coil may=
 be required to produce a consistent spark. 12K miles on plugs is fine in m=
y experience--as long as the engine is in good nick--and they can be cleane=
d and re-gapped at least once. Sandblasting is a no-no as it will pit the c=
eramic insulator and can cause issues. <br /><br />I came across a YouTube =
video by David Vizard where he claims E3 Diamond 'Split Fire' plugs produce=
d slightly better mileage; yep, E3 makes a plug for Big Healeys (6-cyl only=
, I think). I've heard rumors that counterfeit NGK plugs are in the market.=
<br /><br /></span></p>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-ser=
if; color: black;">On 3/18/2023 9:49 AM, Simon Lachlan via Healeys wrote:</=
span></p>
</div>
<blockquote style=3D"margin-top: 5.0pt; margin-bottom: 5.0pt;">
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roma=
n ,serif',serif; color: black;">Here&rsquo;s a can of worms that we haven&r=
squo;t delved into for a while&hellip;.</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roma=
n ,serif',serif; color: black;">So, I&rsquo;m trying to get all my ducks in=
 a row for a short run abroad. Car is a MkII BT7 with a DW fast road cam, 3=
 HD6s, big bore 6 branch and 123Ignition plus a so-called Sports Coil.</spa=
n></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roma=
n ,serif',serif; color: black;">&nbsp;</span></p>
<ol start=3D"1" type=3D"1">
<li class=3D"MsoListParagraph" style=3D"color: black; mso-list: l0 level1 l=
fo1;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roman ,seri=
f',serif;">I was looking through my library of files on Healey topics and s=
aw that we were all over the place on plug gaps&hellip;..all the way up to =
0.035&rdquo;. So what&rsquo;s the opinion there??</span></li>
<li class=3D"MsoListParagraph" style=3D"color: black; mso-list: l0 level1 l=
fo1;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roman ,seri=
f',serif;">And which plug? Seemed to be mostly between NGK&rsquo;s BP6ES &a=
mp; BP5ES. Was a hold-out for their B8EGV 5627</span><span style=3D"font-si=
ze: 12.0pt; font-family: 'Arial',sans-serif;">&nbsp; but that</span><span s=
tyle=3D"font-size: 12.0pt; font-family: 'Times New Roman ,serif',serif;"> w=
as dismissed fairly vigorously by Jeremy Welch as being way OTT for normal =
road use.</span></li>
<li class=3D"MsoListParagraph" style=3D"color: black; mso-list: l0 level1 l=
fo1;"><span style=3D"font-size: 12.0pt; font-family: 'Times New Roman ,seri=
f',serif;">And, I have 12,000 miles+++ as plug replacement mileage so long =
as they still look and perform OK. Any thoughts?</span></li>
</ol>
<p class=3D"MsoListParagraph"><span style=3D"font-size: 12.0pt; font-family=
: 'Times New Roman ,serif',serif; color: black;">&nbsp;</span></p>
<p class=3D"MsoListParagraph"><span style=3D"font-size: 12.0pt; font-family=
: 'Times New Roman ,serif',serif; color: black;">Thanks, Simon</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-ser=
if; color: black;">&nbsp;</span></p>
</blockquote>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;"><span style=3D"font-size: 9.0pt; font-family: 'Arial',sans-ser=
if; color: black;">&nbsp;</span></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;</p>
</div>
</div>=EF=BB=BF</body></html>
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[email-masked]

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---

From: i erbs via Healeys <[email-masked]>
Date: Sun, 19 Mar 2023 11:05:12 -0700

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 introduced to supress interference with car radios, which I don=E2=80=99t =
have.
they do and the cars next to you at a red light will get interference
Ira Erbs
Milwaukie,OR
      _______                                  _______
     (______ \____1959 BN4____/ _______)
         (_________________________)
          BT7 engine and disk brakes

1967 MGB  

A racing car is an animal with a thousand adjustments. Mario Andretti
Please excuse random auto corrects and misspelled words

=E2=80=93
 always
h
 that.   I
r
ed
 a
d
PM
my
d
hile=E2=80=A6.
d. Car is
to 0.035=E2=80=9D. So
P5ES.
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

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<div dir=3D"ltr">=C2=A0introduced to supress interference with car radios, =
which I don=E2=80=99t have. they do and the cars next to you at a red light=
 will get interference<br clear=3D"all"><div><div dir=3D"ltr" class=3D"gmai=
l_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><div><div =
dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"lt=
r"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div dir=3D"ltr">Ira Erbs<di=
v>Milwaukie,OR</div><div><span style=3D"font-family:&#39;Times New Roman&#3=
9;,serif">=C2=A0 =C2=A0 =C2=A0 _______ =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0_______</span><br style=3D"font-family:&#39;Times New Roman&#39;,=
serif"><span style=3D"font-family:&#39;Times New Roman&#39;,serif">=C2=A0 =
=C2=A0=C2=A0 (______ \____1959 BN4____/ _______)</span><br style=3D"font-fa=
mily:&#39;Times New Roman&#39;,serif"><span style=3D"font-family:&#39;Times=
 New Roman&#39;,serif">=C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0 (_________________=
________)</span></div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 BT7 engine an=
d disk brakes</div><div><br></div><div><br></div><div>1967 MGB =C2=A0<img s=
rc=3D"http://www.britishcarspecialists.com/assets/images/MG_emblem.jpg" alt=
=3D"MG"></div><div><br></div><div><span style=3D"color:rgb(51,51,51);font-f=
amily:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif;font-size:14px"=
>A racing car is an animal with a thousand adjustments. Mario Andretti</spa=
n><br></div><div>Please excuse random auto corrects and misspelled words</d=
iv></div></div></div></div></div></div></div></div></div></div></div></div>=
</div></div></div></div><br></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Sun, Mar 19, 2023 at 5:19=E2=80=AFAM m.g.s=
harp--- via Healeys &lt;<a href=3D"mailto:[email-masked]">healeys@a=
utox.team.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" sty=
le=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddi=
ng-left:1ex"><div class=3D"msg-3326828798158193674"><div lang=3D"EN-CA" sty=
le=3D"overflow-wrap: break-word;"><div class=3D"m_-3326828798158193674WordS=
ection1"><p class=3D"MsoNormal">I do exactly what Bob does with my BT7 exce=
pt I use a non-resistor plug =E2=80=93 Champion N12YC and 0.028=E2=80=9D ga=
p.=C2=A0 I too use a Lucas Sports coil.=C2=A0 I always thought the resistor=
 plugs were to introduced to supress interference with car radios, which I =
don=E2=80=99t have, but I am happy to be corrected on that.=C2=A0 =C2=A0I t=
hink plugs are unnecessarily changed too frequently.=C2=A0 I remove them on=
ce in a while (every few years) and clean and check the gaps.=C2=A0 I run t=
hem until they shows signs of deterioration.=C2=A0 I have never had a plug =
fail me in the Healey.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=
=A0<u></u></p><p class=3D"MsoNormal">Mirek<u></u><u></u></p><p class=3D"Mso=
Normal"><u></u>=C2=A0<u></u></p><div><div style=3D"border-right:none;border=
-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding=
:3pt 0cm 0cm"><p class=3D"MsoNormal"><b><span lang=3D"EN-US">From:</span></=
b><span lang=3D"EN-US"> Healeys &lt;<a href=3D"mailto:healeys-bounces@autox=
.team.net" target=3D"_blank">[email-masked]</a>&gt; <b>On B=
ehalf Of </b>Bob Spidell<br><b>Sent:</b> March 18, 2023 2:17 PM<br><b>To:</=
b> <a href=3D"mailto:[email-masked]" target=3D"_blank">healeys@auto=
x.team.net</a><br><b>Subject:</b> Re: [Healeys] Plugs<u></u><u></u></span><=
/p></div></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"M=
soNormal" style=3D"margin-bottom:12pt">I&#39;ve run over 150K miles on Cham=
pion plugs with nary an issue (and will continue to do so); RN12YC for the =
BJ8 and whatever the recommended is for a 100M (RN10C?). With Pertronix Ign=
itors in both, I run slightly over &#39;book&#39; value (0.025&quot;) at 0.=
028&quot; and both run very well (I also run stranded copper wire secondari=
es, so the &#39;R&#39; is important, plus the plug caps have a resistor in =
them as well). My one-time auto shop teacher father maintained whatever spa=
rk was sufficient to ignite the mixture was adequate--mixture and compressi=
on took it from there--but a larger gap induces a &#39;hotter&#39; spark wh=
ich may be beneficial with leaner mixtures and at higher engine RPM (but ha=
s less margin as the electrode erodes). A larger gap requires the coil to p=
roduce more secondary voltage to jump the gap; a sports coil may be require=
d to produce a consistent spark. 12K miles on plugs is fine in my experienc=
e--as long as the engine is in good nick--and they can be cleaned and re-ga=
pped at least once. Sandblasting is a no-no as it will pit the ceramic insu=
lator and can cause issues. <br><br>I came across a YouTube video by David =
Vizard where he claims E3 Diamond &#39;Split Fire&#39; plugs produced sligh=
tly better mileage; yep, E3 makes a plug for Big Healeys (6-cyl only, I thi=
nk). I&#39;ve heard rumors that counterfeit NGK plugs are in the market.<br=
><br><br><span><u></u><u></u></span></p><div><p class=3D"MsoNormal">On 3/18=
/2023 9:49 AM, Simon Lachlan via Healeys wrote:<u></u><u></u></p></div><blo=
ckquote style=3D"margin-top:5pt;margin-bottom:5pt"><p class=3D"MsoNormal"><=
span style=3D"font-size:12pt;font-family:&quot;Times New Roman ,serif&quot;=
,serif">Here=E2=80=99s a can of worms that we haven=E2=80=99t delved into f=
or a while=E2=80=A6.</span><u></u><u></u></p><p class=3D"MsoNormal"><span s=
tyle=3D"font-size:12pt;font-family:&quot;Times New Roman ,serif&quot;,serif=
">So, I=E2=80=99m trying to get all my ducks in a row for a short run abroa=
d. Car is a MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch and=
 123Ignition plus a so-called Sports Coil.</span><u></u><u></u></p><p class=
=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:&quot;Times New Ro=
man ,serif&quot;,serif">=C2=A0</span><u></u><u></u></p><ol style=3D"margin-=
top:0cm" start=3D"1" type=3D"1"><li class=3D"m_-3326828798158193674MsoListP=
aragraph" style=3D"margin-left:0cm"><span style=3D"font-size:12pt;font-fami=
ly:&quot;Times New Roman ,serif&quot;,serif">I was looking through my libra=
ry of files on Healey topics and saw that we were all over the place on plu=
g gaps=E2=80=A6..all the way up to 0.035=E2=80=9D. So what=E2=80=99s the op=
inion there??</span><u></u><u></u></li><li class=3D"m_-3326828798158193674M=
soListParagraph" style=3D"margin-left:0cm"><span style=3D"font-size:12pt;fo=
nt-family:&quot;Times New Roman ,serif&quot;,serif">And which plug? Seemed =
to be mostly between NGK=E2=80=99s BP6ES &amp; BP5ES. Was a hold-out for th=
eir B8EGV 5627</span><span style=3D"font-size:12pt">=C2=A0 but that</span><=
span style=3D"font-size:12pt;font-family:&quot;Times New Roman ,serif&quot;=
,serif"> was dismissed fairly vigorously by Jeremy Welch as being way OTT f=
or normal road use.</span><u></u><u></u></li><li class=3D"m_-33268287981581=
93674MsoListParagraph" style=3D"margin-left:0cm"><span style=3D"font-size:1=
2pt;font-family:&quot;Times New Roman ,serif&quot;,serif">And, I have 12,00=
0 miles+++ as plug replacement mileage so long as they still look and perfo=
rm OK. Any thoughts?</span><u></u><u></u></li></ol><p class=3D"m_-332682879=
8158193674MsoListParagraph"><span style=3D"font-size:12pt;font-family:&quot=
;Times New Roman ,serif&quot;,serif">=C2=A0</span><u></u><u></u></p><p clas=
s=3D"m_-3326828798158193674MsoListParagraph"><span style=3D"font-size:12pt;=
font-family:&quot;Times New Roman ,serif&quot;,serif">Thanks, Simon</span><=
u></u><u></u></p><p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></=
p></blockquote><p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></p>=
</div></div>_______________________________________________<br>
rer" target=3D"_blank">http://www.team.net/donate.html</a><br>
<br>
Archive: <a href=3D"http://www.team.net/pipermail/healeys" rel=3D"noreferre=
r" target=3D"_blank">http://www.team.net/pipermail/healeys</a> <a href=3D"h=
ttp://autox.team.net/archive/healeys" rel=3D"noreferrer" target=3D"_blank">=
http://autox.team.net/archive/healeys</a><br>
<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
eam.net</a><br>
<a href=3D"http://autox.team.net/mailman/listinfo/healeys" rel=3D"noreferre=
r" target=3D"_blank">http://autox.team.net/mailman/listinfo/healeys</a><br>
<br>
s/[email-masked]" rel=3D"noreferrer" target=3D"_blank">http://autox.te=
am.net/mailman/options/healeys/[email-masked]</a><br>
<br>
</div></blockquote></div>

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[email-masked]

--===============0228284391048768052==--

---

From: Michael Oritt <[email-masked]>
Date: Sun, 19 Mar 2023 16:02:47 -0400

--===============5396888657990801028==

--00000000000003fb9e05f7464c7f
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A guy named Alan Smith had a garage on South Beach full of old
Rolls-Royce's dating from Miami Beach's heydays in the 20's and 30's. He
described himself as a certified RR mechanic but I believe he was simply a
professional chauffeur who had a classy English accent.  Nevertheless he
knew his stuff and as an aspiring gearhead I used to hang out there.  I had
a TR3 with a radio and I remember asking Smith what he thought about
putting an inline resistor into the distributor to coil wire.  He shook his
head and simply removed the wire, tied an overhand knot in it and
reinstalled it.  *Voila--*the ignition noise was gone.

Best--Michael Oritt

=E2=80=93
>> Champion N12YC and 0.028=E2=80=9D gap.  I too use a Lucas Sports coil.  =
I always
>> thought the resistor plugs were to introduced to supress interference wi=
th
>> car radios, which I don=E2=80=99t have, but I am happy to be corrected o=
n that.   I
>> think plugs are unnecessarily changed too frequently.  I remove them onc=
e
>> until they shows signs of deterioration.  I have never had a plug fail m=
e
>> continue to do so); RN12YC for the BJ8 and whatever the recommended is f=
or
>> 'book' value (0.025") at 0.028" and both run very well (I also run stran=
ded
>> copper wire secondaries, so the 'R' is important, plus the plug caps hav=
e a
>> resistor in them as well). My one-time auto shop teacher father maintain=
ed
>> whatever spark was sufficient to ignite the mixture was adequate--mixtur=
e
>> spark which may be beneficial with leaner mixtures and at higher engine =
RPM
>> coil to produce more secondary voltage to jump the gap; a sports coil ma=
y
>> be required to produce a consistent spark. 12K miles on plugs is fine in=
 my
>> experience--as long as the engine is in good nick--and they can be clean=
ed
>> 'Split Fire' plugs produced slightly better mileage; yep, E3 makes a plu=
g
>> for Big Healeys (6-cyl only, I think). I've heard rumors that counterfei=
t
while=E2=80=A6.
>>
>> So, I=E2=80=99m trying to get all my ducks in a row for a short run abro=
ad. Car
>>    that we were all over the place on plug gaps=E2=80=A6..all the way up=
 to 0.035=E2=80=9D. So
BP5ES.
>>    they still look and perform OK. Any thoughts?

--00000000000003fb9e05f7464c7f
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:rgb(51,51,255)=
">A guy named Alan Smith had a garage on South Beach full of old Rolls-Royc=
e&#39;s dating=C2=A0from Miami Beach&#39;s heydays in the 20&#39;s and=C2=
=A030&#39;s. He described himself as a certified RR mechanic but I=C2=A0bel=
ieve=C2=A0he was simply a professional chauffeur who had a classy English a=
ccent.=C2=A0 Nevertheless he knew his stuff and as an aspiring gearhead I u=
sed to hang out there.=C2=A0 I had a TR3 with a radio and I remember asking=
 Smith what he thought about putting an inline resistor=C2=A0into=C2=A0the =
distributor to coil wire.=C2=A0 He shook his head and simply removed the wi=
re, tied an overhand knot in it and reinstalled it.=C2=A0 <i>Voila--</i>the=
 ignition noise was gone.</div><div class=3D"gmail_default" style=3D"color:=
rgb(51,51,255)"><br></div><div class=3D"gmail_default" style=3D"color:rgb(5=
1,51,255)">Best--Michael Oritt</div></div><div dir=3D"ltr"><div class=3D"gm=
ail_default" style=3D"color:rgb(51,51,255)"><br></div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Mar 19, 2023=
 at 10:25=E2=80=AFAM <a href=3D"mailto:[email-masked]" target=3D"=
_blank">[email-masked]</a> &lt;<a href=3D"mailto:josef-eckert@t-o=
nline.de" target=3D"_blank">[email-masked]</a>&gt; wrote:<br></di=
v><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;borde=
r-left:1px solid rgb(204,204,204);padding-left:1ex"><div><p style=3D"margin=
:0px"><span style=3D"font-family:arial,helvetica,sans-serif;font-size:10pt;=
color:rgb(0,0,0);text-decoration:none">I do not care what kind of noices ar=
e<span style=3D"color:rgb(34,34,34)"> in nearby vehicles.</span><br></span>=
</p>
<p style=3D"margin:0px"><span style=3D"font-family:arial,helvetica,sans-ser=
if;font-size:10pt;color:rgb(0,0,0);text-decoration:none">=C2=A0</span></p>
<p style=3D"margin:0px">=C2=A0</p>
<p style=3D"margin:0px">=C2=A0</p>
<p style=3D"margin:0px">-----Original-Nachricht-----</p>
<p style=3D"margin:0px">Betreff: Re: [Healeys] Plugs</p>
<p style=3D"margin:0px">Datum: 2023-03-19T15:15:37+0100</p>
<p style=3D"margin:0px">Von: &quot;Michael Oritt&quot; &lt;<a href=3D"mailt=
o:[email-masked]" target=3D"_blank">[email-masked]</a>&gt=
;</p>
<p style=3D"margin:0px">An: &quot;<a href=3D"mailto:[email-masked]"=
 target=3D"_blank">[email-masked]</a>&quot; &lt;<a href=3D"mailto:m=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;</p>
<p style=3D"margin:0px">=C2=A0</p>
<p style=3D"margin:0px">=C2=A0</p>
<p style=3D"margin:0px">=C2=A0</p>
<div style=3D"color:rgb(0,0,0);font:12px Arial,Helvetica,sans-serif">
<div dir=3D"ltr">
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)"><span style=3D"=
color:rgb(34,34,34)">&quot;I always thought the resistor plugs were to intr=
oduced to suppress interference with car radios, which I don=E2=80=99t have=
,&quot;</span></div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)"><span style=3D"=
color:rgb(34,34,34)">-----------------------------------------------------<=
/span></div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)"><span style=3D"=
color:rgb(34,34,34)">They=C2=A0also eliminate your ignition&#39;s noise in =
nearby vehicles.</span></div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)"><span style=3D"=
color:rgb(34,34,34)">=C2=A0</span></div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)"><span style=3D"=
color:rgb(34,34,34)">Best--Michael Oritt</span></div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)"><span style=3D"=
color:rgb(34,34,34)">=C2=A0</span></div>
</div>
<br>
<div class=3D"gmail_quote">
<div class=3D"gmail_attr" dir=3D"ltr">On Sun, Mar 19, 2023 at 8:11=E2=80=AF=
AM m.g.sharp--- via Healeys &lt;<a href=3D"mailto:[email-masked]" t=
arget=3D"_blank">[email-masked]</a>&gt; wrote:</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<div lang=3D"EN-CA">
<div>
<p class=3D"MsoNormal">I do exactly what Bob does with my BT7 except I use =
a non-resistor plug =E2=80=93 Champion N12YC and 0.028=E2=80=9D gap.=C2=A0 =
I too use a Lucas Sports coil.=C2=A0 I always thought the resistor plugs we=
re to introduced to supress interference with car radios, which I don=E2=80=
=99t have, but I am happy to be corrected on that.=C2=A0 =C2=A0I think plug=
s are unnecessarily changed too frequently.=C2=A0 I remove them once in a w=
hile (every few years) and clean and check the gaps.=C2=A0 I run them until=
 they shows signs of deterioration.=C2=A0 I have never had a plug fail me i=
n the Healey.<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">Mirek<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<div>
<div style=3D"border-right:none;border-bottom:none;border-left:none;border-=
top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class=3D"MsoNormal"><strong><span lang=3D"EN-US">From:</span></strong><s=
pan lang=3D"EN-US"> Healeys &lt;<a href=3D"mailto:[email-masked]=
m.net" target=3D"_blank">[email-masked]</a>&gt; <strong>On =
Behalf Of </strong>Bob Spidell<br><strong>Sent:</strong> March 18, 2023 2:1=
7 PM<br><strong>To:</strong> <a href=3D"mailto:[email-masked]" targ=
et=3D"_blank">[email-masked]</a><br><strong>Subject:</strong> Re: [=
Healeys] Plugs<u></u><u></u></span></p>
</div>
</div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12pt">I&#39;ve run over 150K =
miles on Champion plugs with nary an issue (and will continue to do so); RN=
12YC for the BJ8 and whatever the recommended is for a 100M (RN10C?). With =
Pertronix Ignitors in both, I run slightly over &#39;book&#39; value (0.025=
&quot;) at 0.028&quot; and both run very well (I also run stranded copper w=
ire secondaries, so the &#39;R&#39; is important, plus the plug caps have a=
 resistor in them as well). My one-time auto shop teacher father maintained=
 whatever spark was sufficient to ignite the mixture was adequate--mixture =
and compression took it from there--but a larger gap induces a &#39;hotter&=
#39; spark which may be beneficial with leaner mixtures and at higher engin=
e RPM (but has less margin as the electrode erodes). A larger gap requires =
the coil to produce more secondary voltage to jump the gap; a sports coil m=
ay be required to produce a consistent spark. 12K miles on plugs is fine in=
 my experience--as long as the engine is in good nick--and they can be clea=
ned and re-gapped at least once. Sandblasting is a no-no as it will pit the=
 ceramic insulator and can cause issues. <br><br>I came across a YouTube vi=
deo by David Vizard where he claims E3 Diamond &#39;Split Fire&#39; plugs p=
roduced slightly better mileage; yep, E3 makes a plug for Big Healeys (6-cy=
l only, I think). I&#39;ve heard rumors that counterfeit NGK plugs are in t=
he market.<br><br><br><u></u><u></u></p>
<div>
<p class=3D"MsoNormal">On 3/18/2023 9:49 AM, Simon Lachlan via Healeys wrot=
e:<u></u><u></u></p>
</div>
<blockquote style=3D"margin-top:5pt;margin-bottom:5pt">
<p class=3D"MsoNormal"><span>Here=E2=80=99s a can of worms that we haven=E2=
=80=99t delved into for a while=E2=80=A6.</span><u></u><u></u></p>
<p class=3D"MsoNormal"><span>So, I=E2=80=99m trying to get all my ducks in =
a row for a short run abroad. Car is a MkII BT7 with a DW fast road cam, 3 =
HD6s, big bore 6 branch and 123Ignition plus a so-called Sports Coil.</span=
><u></u><u></u></p>
<p class=3D"MsoNormal"><span>=C2=A0</span><u></u><u></u></p>
<ol style=3D"margin-top:0cm" start=3D"1" type=3D"1">
<li style=3D"margin-left:0cm"><span>I was looking through my library of fil=
es on Healey topics and saw that we were all over the place on plug gaps=E2=
=80=A6..all the way up to 0.035=E2=80=9D. So what=E2=80=99s the opinion the=
re??</span><u></u><u></u></li>
<li style=3D"margin-left:0cm"><span>And which plug? Seemed to be mostly bet=
ween NGK=E2=80=99s BP6ES &amp; BP5ES. Was a hold-out for their B8EGV 5627</=
span><span style=3D"font-size:12pt">=C2=A0 but that</span><span> was dismis=
sed fairly vigorously by Jeremy Welch as being way OTT for normal road use.=
</span><u></u><u></u></li>
<li style=3D"margin-left:0cm"><span>And, I have 12,000 miles+++ as plug rep=
lacement mileage so long as they still look and perform OK. Any thoughts?</=
span><u></u><u></u></li>
</ol>
<p><span>=C2=A0</span><u></u><u></u></p>
<p><span>Thanks, Simon</span><u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</blockquote>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
</div>
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</blockquote>
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</div>=EF=BB=BF</div></blockquote></div>

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