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Re: [TR] [6pack] Spark Plug Heat Range

To: trguy75@gmail.com
Subject: Re: [TR] [6pack] Spark Plug Heat Range
From: David Friedlander <forzion7@gmail.com>
Date: Thu, 8 Jun 2023 14:14:42 -0400
Cc: Triumphs <triumphs@autox.team.net>, 6pack@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <6ebe321b72794ff2a1db197a73063e1b@ranteer.com> <9EF6392C-B18D-4788-AC2D-B9278F0ED1A8@comcast.net> <f3d8d0796f7e4438a55bf5ec77df7d28@ranteer.com> <9D5633FC-FE57-4631-A44B-4A810FCA1A2C@comcast.net> <052a01d99a1b$9bce66d0$d36b3470$@gmail.com>
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https://www.amazon.com/dp/B07PGPVVRL?th=3D1&psc=3D1&language=3Den_US

Dave

On Thu, Jun 8, 2023 at 11:50=E2=80=AFAM <trguy75@gmail.com> wrote:

> Hard to find NGK BP6ES now.  BP6RES is available, but I heard the resisto=
r
> plugs not good with pertronix ignition systems.  I went back to champion.
> Jim Henningsen
>
> -----Original Message-----
> From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of Rochlin
> Robert
> Sent: Thursday, June 8, 2023 9:54 AM
> To: Triumphs <triumphs@autox.team.net>; 6pack@autox.team.net
> Subject: Re: [TR] [6pack] Spark Plug Heat Range
>
>         I appreciate all the great feedback on my question about spark
> plug heat range options.  It seems that if I want to incrementally go to =
a
> cooler (or hotter) plug then NGK seems be the way to go.  Champions  are
> unavailable in a number of heat ranges and the information on their web
> site is confusing.
>         I=E2=80=99ve spent a lot of time this Spring doing unexpected wor=
k on the
> 6 including suspension work and fuel delivery issues.  All that is now
> sorted and my plan is to spend some quality cruising time this afternoon.
>         Happy Motoring.
>         Bob
>
> > On Jun 7, 2023, at 10:18 AM, dave northrup <dave@ranteer.com> wrote:
> >
> > I would suggest that first you advance the timing.  You no longer have =
a
> stock engine and therefore should not rely on the stock timing.
> >
> > Some of my old time mechanic friends have suggested that with these car=
s
> you should advance the timing until it pings, then back it off a bit.  Ju=
st
> a suggestion.
> >
> > Also - do you still have the carbon cannister?  That's actually a sourc=
e
> of air when you turn the engine off and could be part of the problem.  ou=
r
> car runs better without it.  just eliminate the branch that goes to it.
> but be careful about the pipe that goes back to the gas tank.  That has t=
o
> be free and clear or your engine will quit running due to fuel starvation
> because air is not coming in to replace the gasoline that is going out.
> you can just leave the pipe that comes from the back; tie it down and lea=
ve
> it open.  And you won't get a gas smell in the garage.
> >
> > Failing that, I would recommend talking to Richard Good.  He is very
> knowledgeable and happy to talk to a customer.
> >
> > We did what you did, with the GP mild cam, triple carbs, lightened
> flywheel, polished, ported, and shaved head, decked block, etc., etc.  we
> are running about 11 to 1 compression.  Our timing is pretty advanced;
> never use a timing light.  We don't have a problem with dieseling.  I'm n=
ot
> sure I'm the one to solve the problem for you  but it just seems wrong to
> me that you are having this problem; I don't think it's the plugs.
> >
> > -----Original Message-----
> > From: Robert Rochlin <rrochlin@comcast.net>
> > Sent: Wednesday, June 7, 2023 8:35 AM
> > To: dave northrup <dave@ranteer.com>
> > Subject: Re: [TR] [6pack] Spark Plug Heat Range
> >
> > Hi Dave
> >  Very occasionally my car diesels when I shut down.  I rebuilt the
> engine a few years ago increasing the compression and putting in a
> Goodparts cam.  The timing is spot on and the car runs great. My reasonin=
g
> is that a bit colder plug may eliminate the hot spot source of the
> occasional dieseling.
> > Best,
> > Bob
> > Sent from my iPhone
> >
> >> On Jun 7, 2023, at 9:24 AM, dave northrup <dave@ranteer.com> wrote:
> >>
> >> are
> >
>
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>
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>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:comic sa=
ns ms,sans-serif;font-size:large;color:#000099"><a href=3D"https://www.amaz=
on.com/dp/B07PGPVVRL?th=3D1&amp;psc=3D1&amp;language=3Den_US">https://www.a=
mazon.com/dp/B07PGPVVRL?th=3D1&amp;psc=3D1&amp;language=3Den_US</a><br></di=
v><div class=3D"gmail_default" style=3D"font-family:comic sans ms,sans-seri=
f;font-size:large;color:#000099"><br></div><div class=3D"gmail_default" sty=
le=3D"font-family:comic sans ms,sans-serif;font-size:large;color:#000099">D=
ave</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gma=
il_attr">On Thu, Jun 8, 2023 at 11:50=E2=80=AFAM &lt;<a href=3D"mailto:trgu=
y75@gmail.com">trguy75@gmail.com</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">Hard to find NGK BP6ES now.=C2=A0 BP6RES i=
s available, but I heard the resistor plugs not good with pertronix ignitio=
n systems.=C2=A0 I went back to champion.<br>
Jim Henningsen<br>
<br>
-----Original Message-----<br>
From: Triumphs &lt;<a href=3D"mailto:triumphs-bounces@autox.team.net"; targe=
t=3D"_blank">triumphs-bounces@autox.team.net</a>&gt; On Behalf Of Rochlin R=
obert<br>
Sent: Thursday, June 8, 2023 9:54 AM<br>
To: Triumphs &lt;<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blan=
k">triumphs@autox.team.net</a>&gt;; <a href=3D"mailto:6pack@autox.team.net"=
 target=3D"_blank">6pack@autox.team.net</a><br>
Subject: Re: [TR] [6pack] Spark Plug Heat Range<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 I appreciate all the great feedback on my quest=
ion about spark plug heat range options.=C2=A0 It seems that if I want to i=
ncrementally go to a cooler (or hotter) plug then NGK seems be the way to g=
o.=C2=A0 Champions=C2=A0 are unavailable in a number of heat ranges and the=
 information on their web site is confusing.<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 I=E2=80=99ve spent a lot of time this Spring do=
ing unexpected work on the 6 including suspension work and fuel delivery is=
sues.=C2=A0 All that is now sorted and my plan is to spend some quality cru=
ising time this afternoon. <br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Happy Motoring.<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Bob<br>
<br>
&gt; On Jun 7, 2023, at 10:18 AM, dave northrup &lt;<a href=3D"mailto:dave@=
ranteer.com" target=3D"_blank">dave@ranteer.com</a>&gt; wrote:<br>
&gt; <br>
&gt; I would suggest that first you advance the timing.=C2=A0 You no longer=
 have a stock engine and therefore should not rely on the stock timing.=C2=
=A0 <br>
&gt; <br>
&gt; Some of my old time mechanic friends have suggested that with these ca=
rs you should advance the timing until it pings, then back it off a bit.=C2=
=A0 Just a suggestion.<br>
&gt; <br>
&gt; Also - do you still have the carbon cannister?=C2=A0 That&#39;s actual=
ly a source of air when you turn the engine off and could be part of the pr=
oblem.=C2=A0 our car runs better without it.=C2=A0 just eliminate the branc=
h that goes to it.=C2=A0 but be careful about the pipe that goes back to th=
e gas tank.=C2=A0 That has to be free and clear or your engine will quit ru=
nning due to fuel starvation because air is not coming in to replace the ga=
soline that is going out.=C2=A0 you can just leave the pipe that comes from=
 the back; tie it down and leave it open.=C2=A0 And you won&#39;t get a gas=
 smell in the garage.<br>
&gt; <br>
&gt; Failing that, I would recommend talking to Richard Good.=C2=A0 He is v=
ery knowledgeable and happy to talk to a customer.<br>
&gt; <br>
&gt; We did what you did, with the GP mild cam, triple carbs, lightened fly=
wheel, polished, ported, and shaved head, decked block, etc., etc.=C2=A0 we=
 are running about 11 to 1 compression.=C2=A0 Our timing is pretty advanced=
; never use a timing light.=C2=A0 We don&#39;t have a problem with dieselin=
g.=C2=A0 I&#39;m not sure I&#39;m the one to solve the problem for you=C2=
=A0 but it just seems wrong to me that you are having this problem; I don&#=
39;t think it&#39;s the plugs.<br>
&gt; <br>
&gt; -----Original Message-----<br>
&gt; From: Robert Rochlin &lt;<a href=3D"mailto:rrochlin@comcast.net"; targe=
t=3D"_blank">rrochlin@comcast.net</a>&gt; <br>
&gt; Sent: Wednesday, June 7, 2023 8:35 AM<br>
&gt; To: dave northrup &lt;<a href=3D"mailto:dave@ranteer.com"; target=3D"_b=
lank">dave@ranteer.com</a>&gt;<br>
&gt; Subject: Re: [TR] [6pack] Spark Plug Heat Range<br>
&gt; <br>
&gt; Hi Dave<br>
&gt;=C2=A0 Very occasionally my car diesels when I shut down.=C2=A0 I rebui=
lt the engine a few years ago increasing the compression and putting in a G=
oodparts cam.=C2=A0 The timing is spot on and the car runs great. My reason=
ing is that a bit colder plug may eliminate the hot spot source of the occa=
sional dieseling.=C2=A0 =C2=A0<br>
&gt; Best,<br>
&gt; Bob<br>
&gt; Sent from my iPhone<br>
&gt; <br>
&gt;&gt; On Jun 7, 2023, at 9:24 AM, dave northrup &lt;<a href=3D"mailto:da=
ve@ranteer.com" target=3D"_blank">dave@ranteer.com</a>&gt; wrote:<br>
&gt;&gt; <br>
&gt;&gt; are<br>
&gt; <br>
<br>
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