Subject: [Healeys] Exhaust hangers

From: Michael MacLean via Healeys <[email-masked]>
Date: Mon, 22 May 2023 11:36:59 -0700

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Excuse my ignorance, but can someone tell me what number 8 is bolted to and
where does it clamp to the exhaust pipe? Anyone have a picture of this
hanger in place?  I am ordering all the hangers for the exhaust system to
install before I take the car off the jack stands.
Mike MacLean

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<div dir=3D"ltr"><div>Excuse my ignorance, but can someone tell me what num=
ber 8 is bolted to and where does it clamp to the exhaust pipe? Anyone have=
 a picture of this hanger in place?=C2=A0 I am ordering all the hangers for=
 the exhaust system to install before I take the car off the jack stands.</=
div><div>Mike MacLean<br></div></div>

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_______________________________________________

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

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From: Hank Leach via Healeys <[email-masked]>
Date: Mon, 22 May 2023 22:20:47 +0000 BP3Xnp/a4kMacnC8ngW0CTbg1d/LKQxp7fNmVIuGKhfxy0zaGrOI70KqiD8woPjqlK/Id6TENxbI1LGOEurmfDfNRq/XqlPLNYzS9BUhzYOfttycEq1VMxez

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Michael-that goes to the one long bolt that secures the sump pan.=0ATher=
e is only one long one all the others are of shorter but equal=0Alength.=
 Hank=0A=0A=09-----------------------------------------From: "Michael Ma=
cLean via=0AHealeys" =0ATo: "Ahealey help"=0ACc: =0ASent: Monday May 22=
 2023 3:01:20PM=0ASubject: [Healeys] Exhaust hangers=0A=0A  Excuse my ig=
norance, but can someone tell me what number 8 is bolted=0Ato and where=
 does it clamp to the exhaust pipe? Anyone have a picture=0Aof this hang=
er in place? I am ordering all the hangers for the exhaust=0Asystem to i=
nstall before I take the car off the jack stands. Mike=0AMacLean=0A

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<html><body>Michael-that goes to the one long bolt that secures the sump=
 pan.&nbsp; There is only one long one all the others are of shorter but=
 equal length. Hank<br><br><div class=3D"reply-new-signature"></div><p>-=
----------------------------------------</p>From: "Michael MacLean via H=
ealeys" <[email-masked]><br>To: "Ahealey help"<br>Cc: <br>Sent:=
 Monday May 22 2023 3:01:20PM<br>Subject: [Healeys] Exhaust hangers<br><=
br>=0A<div dir=3D"ltr">=0A<div>Excuse my ignorance, but can someone tell=
 me what number 8 is=0Abolted to and where does it clamp to the exhaust=
 pipe? Anyone have=0Aa picture of this hanger in place?&nbsp; I am order=
ing all the=0Ahangers for the exhaust system to install before I take th=
e car off=0Athe jack stands.</div>=0A<div>Mike MacLean<br></div>=0A</div=
>=0A</[email-masked]></body></html>

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[email-masked]

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From: Curtis Arndt <[email-masked]>
Date: Mon, 22 May 2023 19:30:41 -0700

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What Hank says is correct. To expand....

That hex screw [fully threaded] is a BSF 1/4" X 26 tpi Whitworth type. I
don't know the length off hand, but will look it up.

Cheers,

Curt

On Mon, May 22, 2023 at 6:15=E2=80=AFPM Hank Leach via Healeys <
[email-masked]> wrote:

> Michael-that goes to the one long bolt that secures the sump pan.  There
> is only one long one all the others are of shorter but equal length. Hank
>
> -----------------------------------------
> From: "Michael MacLean via Healeys"
> To: "Ahealey help"
> Cc:
> Sent: Monday May 22 2023 3:01:20PM
> Subject: [Healeys] Exhaust hangers
>
> Excuse my ignorance, but can someone tell me what number 8 is bolted to
> and where does it clamp to the exhaust pipe? Anyone have a picture of thi=
s
> Support Team.Net http://www.team.net/donate.html
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> http://autox.team.net/mailman/options/healeys/[email-masked]
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<div dir=3D"ltr">What Hank says is correct. To expand....<div><br></div><di=
v>That hex screw [fully threaded] is a BSF 1/4&quot; X 26 tpi Whitworth typ=
e. I don&#39;t know the length=C2=A0off hand, but will look it up.<div><br>=
</div><div>Cheers,</div><div><br></div><div>Curt</div></div></div><br><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, May 22,=
 2023 at 6:15=E2=80=AFPM Hank Leach via Healeys &lt;<a href=3D"mailto:heale=
[email-masked]">[email-masked]</a>&gt; wrote:<br></div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px =
solid rgb(204,204,204);padding-left:1ex"><div>Michael-that goes to the one =
long bolt that secures the sump pan.=C2=A0 There is only one long one all t=
he others are of shorter but equal length. Hank<br><br><div></div><p>------=
-----------------------------------</p>From: &quot;Michael MacLean via Heal=
eys&quot; <u></u><br>To: &quot;Ahealey help&quot;<br>Cc: <br>Sent: Monday M=
ay 22 2023 3:01:20PM<br>Subject: [Healeys] Exhaust hangers<br><br>
<div dir=3D"ltr">
<div>Excuse my ignorance, but can someone tell me what number 8 is
bolted to and where does it clamp to the exhaust pipe? Anyone have
a picture of this hanger in place?=C2=A0 I am ordering all the
hangers for the exhaust system to install before I take the car off
the jack stands.</div>
<div>Mike MacLean<br></div>
</div>
<u></u></div>
_______________________________________________<br>
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[email-masked]

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From: Hank Leach via Healeys <[email-masked]>
Date: Tue, 23 May 2023 15:59:52 +0000 boundary="=_8a987c431c25b0ffc6d5b2365d341d72" feh0amBebgLSu0b+yThUdZpddmLOdCQbux+MztXntxZEE269PBYCmYhziFOjbjB1Zb0A6Zq0s/WXSGNgfPz6MnOvwkLbBTza1edRmt6tSlqCrfrxrEw4/44i BdgqPtHIbCSyCfN/WvqzOQ==

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Ok, as long as we are showing clamps, here is my NOS exhaust bracket=0As=
et. It was still wrapped in this photo, but as Curt says- its British=0A=
thread-probably until mid 1954 when they tried to unify or whenever=0Ath=
e bin holding exhaust brackets ran out and they refilled it.=0AWhichever=
 came first. They did not throw any away in lieu of unified=0Areplacemen=
ts. =0ALikely, Michael's new set will be UNF as they are not making any=
 early=0Aparts for "purists"-same holds true on the rear gearbox mounts=
 and=0Aother items as well. Hank=0A=0A=09-------------------------------=
----------From: "Curtis Arndt via=0AHealeys" =0ATo: "Michael Salter"=0AC=
c: "Ahealey help"=0ASent: Tuesday May 23 2023 8:27:22AM=0ASubject: Re: [=
Healeys] Exhaust hangers=0A=0A  _

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<html><body>Ok, as long as we are showing clamps, here is my NOS exhaust=
 bracket set.&nbsp; It was still wrapped in this photo, but as Curt says=
- its British thread-probably until mid 1954 when they tried to unify or=
 whenever the bin holding exhaust brackets ran out and they refilled it.=
 Whichever came first. They did not throw any away in lieu of unified re=
placements.&nbsp;<div><br></div><div>Likely, Michael's new set will be U=
NF as they are not making any early parts for "purists"-same holds true=
 on the rear gearbox mounts and other items as well. Hank<br><br><div cl=
ass=3D"reply-new-signature"></div><p>-----------------------------------=
------</p>From: "Curtis Arndt via Healeys" <[email-masked]><br>T=
o: "Michael Salter"<br>Cc: "Ahealey help"<br>Sent: Tuesday May 23 2023 8=
:27:22AM<br>Subject: Re: [Healeys] Exhaust hangers<br><br>=0A<div dir=3D=
"ltr">=0A<div dir=3D"ltr"><font size=3D"4"><i>&lt;To be correct the "U"=
 clamp=0Ashould have UNF threads.&nbsp; &nbsp;Just=0Asayin'&gt;</i><br><=
/font></div>=0A<div dir=3D"ltr"><font size=3D"4"><br></font></div>=0A<di=
v dir=3D"ltr"><font size=3D"4">Michael, FWIW, both of my ORIGINAL=0A"U"=
 shaped clamps have BSF fasteners... See photos. I reused one of=0Amy or=
iginals when&nbsp;I restored my BN1. Modern reproduction "U"=0Aclamps&nb=
sp;use UNF or more commonly UNC fasteners.</font></div>=0A<br><div class=
=3D"gmail_quote">=0A<div dir=3D"ltr" class=3D"gmail_attr">On Mon, May 22=
, 2023 at 7:33=E2=80=AFPM=0AMichael Salter &lt;<a>[email-masked]=
m</a>&gt;=0Awrote:<br></div>=0A<blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px .8ex;border-left:1px solid rgb(204,204,204);paddi=
ng-left:1ex;">=0A<div>The strut attaches to an extra length oil pan=0Asc=
rew, the one directly below the spot where the tach cable=0Aattaches to=
 the tach drive housing.=0A<div>To be correct the "U" clamp should have=
 UNF=0Athreads.&nbsp; &nbsp;Just sayin'</div>=0A<div><br></div>=0A<div>M=
</div>=0A</div>=0A<br><div class=3D"gmail_quote">=0A<div dir=3D"ltr" cla=
ss=3D"gmail_attr">On Mon., May 22, 2023, 5:47 p.m.=0AMichael MacLean via=
 Healeys, &lt;<a>[email-masked]</a>&gt; wrote:<br></div>=0A<bloc=
kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px .8ex;border-lef=
t:1px solid rgb(204,204,204);padding-left:1ex;">=0A<div dir=3D"ltr">=0A<=
div>Excuse my ignorance, but can someone tell me what number 8 is=0Abolt=
ed to and where does it clamp to the exhaust pipe? Anyone have=0Aa pictu=
re of this hanger in place?&nbsp; I am ordering all the=0Ahangers for th=
e exhaust system to install before I take the car off=0Athe jack stands.=
</div>=0A<div>Mike MacLean</div>=0A</div>=0A</blockquote>=0A</div>=0A</b=
lockquote>=0A</div>=0A</div>=0A</[email-masked]></div></body></h=
tml>

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[email-masked]

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From: Hank Leach via Healeys <[email-masked]>
Date: Wed, 24 May 2023 01:25:24 +0000 U96yCj7hOQgAYeaxQZlQNN+2XwDAekrDVmQTEznwgqHyBKz9d3K3ElVx+VCH9BjPGdU2lTTl4DMaMTcthB7CqGVvV+TSOM9gwIirvv7oVmGmyVeBNNRKpg4f AuvQ/sqkGuuILZc2h0KGng==

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Curt-absolutely, I'm glad that I had them for my 100 and they are on=0At=
he car #588 October 22,1953-not too many UNF hardware items on this=0Aca=
r. Regards, Hank=0A=0A=09-----------------------------------------From:=
 "Curtis Arndt" =0ATo: "Hank Leach"=0ACc: "[email-masked]", "Mic=
hael Salter"=0ASent: Tuesday May 23 2023 9:40:38AM=0ASubject: Re: [Heale=
ys] Exhaust hangers=0A=0A Hank =0A Thanks! Very cool photo, may we use t=
his for the AH Concours=0AGuidelines? =0A No one can tell just when the=
 "U" bracket threads changed.  =0A Many Whitworth fasteners on the late=
 BN1s and BN2s were changed over=0Ato UNF in late '55 nad '56. Most of t=
hese changes were documented in=0Athe factory parts manual and service b=
ulletins while some were not=0Adocumented at all. Like Hank stated, when=
 the parts bin ran out, new=0Aitems were often sourced and installed, an=
d not necessarily=0Adocumented. =0A Until we can confirm that were UNF t=
hreaded "U" brackets used on=0Alater 100s in lieu of the BSF ones, then=
 the assumption has to be that=0Athey were used until the end of BN2 pro=
duction. So, if anyone out=0Athere has an original "U" clamp from a late=
 BN1 or BN2 with UNF=0Athreads, please submit documentation to Michael S=
alter and me so that=0Awe can update the Concours Guidelines. =0A Cheers=
, =0A Curt Arndt  =0A On Tue, May 23, 2023 at 8:59=E2=80=AFAM Hank Leach=
  wrote:=0A  Ok, as long as we are showing clamps, here is my NOS exhaus=
t bracket=0Aset. It was still wrapped in this photo, but as Curt says- i=
ts British=0Athread-probably until mid 1954 when they tried to unify or=
 whenever=0Athe bin holding exhaust brackets ran out and they refilled i=
t.=0AWhichever came first. They did not throw any away in lieu of unifie=
d=0Areplacements. =0A Likely, Michael's new set will be UNF as they are=
 not making any=0Aearly parts for "purists"-same holds true on the rear=
 gearbox mounts=0Aand other items as well. Hank=0A=0A=09----------------=
------------------------- From: "Curtis Arndt via=0AHealeys"=0A To: "Mic=
hael Salter"=0A Cc: "Ahealey help"=0A Sent: Tuesday May 23 2023 8:27:22A=
M=0A Subject: Re: [Healeys] Exhaust hangers=0A=0A _

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<html><body>Curt-absolutely, I'm glad that I had them for my 100 and the=
y are on the car #588 October 22,1953-not too many UNF hardware items on=
 this car.&nbsp; Regards, Hank<br><br><div class=3D"reply-new-signature"=
></div><p>-----------------------------------------</p>From: "Curtis Arn=
dt" <[email-masked]><br>To: "Hank Leach"<br>Cc: "[email-masked].=
net", "Michael Salter"<br>Sent: Tuesday May 23 2023 9:40:38AM<br>Subject=
: Re: [Healeys] Exhaust hangers<br><br>=0A<div dir=3D"ltr"><font size=3D=
"4">Hank</font>=0A<div><font size=3D"4"><br></font></div>=0A<div><font s=
ize=3D"4">Thanks! Very cool photo,&nbsp;may we use this=0Afor the AH Con=
cours Guidelines?</font></div>=0A<div><font size=3D"4"><br></font></div>=
=0A<div><font size=3D"4">No one can tell just when the "U" bracket=0Athr=
eads changed.&nbsp;</font></div>=0A<div><font size=3D"4"><br></font></di=
v>=0A<div><font size=3D"4">Many Whitworth fasteners&nbsp;on the late BN1=
s=0Aand BN2s were changed over to UNF in late '55 nad '56. Most of=0Athe=
se changes&nbsp;were documented in the factory parts manual and=0Aservic=
e bulletins while some were not documented&nbsp;at all. Like=0AHank stat=
ed, when the parts bin ran out, new items were often=0Asourced and insta=
lled, and not necessarily documented.</font></div>=0A<div><font size=3D"=
4"><br></font></div>=0A<div><font size=3D"4">Until we can confirm that w=
ere UNF threaded "U"=0Abrackets used on later 100s in lieu of the BSF on=
es, then the=0Aassumption&nbsp;has to be that they were used until the e=
nd of BN2=0Aproduction. So, if anyone out there has an original "U" clam=
p from=0Aa late BN1 or BN2 with UNF threads, please submit documentation=
 to=0AMichael Salter and me so that we can update the Concours=0AGuideli=
nes.</font></div>=0A<div><font size=3D"4"><br></font></div>=0A<div><font=
 size=3D"4">Cheers,</font></div>=0A<div><font size=3D"4"><br></font></di=
v>=0A<div><font size=3D"4">Curt Arndt</font></div>=0A</div>=0A<br><div c=
lass=3D"gmail_quote">=0A<div dir=3D"ltr" class=3D"gmail_attr">On Tue, Ma=
y 23, 2023 at 8:59=E2=80=AFAM=0AHank Leach &lt;<a>[email-masked]</a=
>&gt;=0Awrote:<br></div>=0A<blockquote class=3D"gmail_quote" style=3D"ma=
rgin:0px 0px 0px .8ex;border-left:1px solid rgb(204,204,204);padding-lef=
t:1ex;">=0A<div>Ok, as long as we are showing clamps, here is my NOS exh=
aust=0Abracket set.&nbsp; It was still wrapped in this photo, but as Cur=
t=0Asays- its British thread-probably until mid 1954 when they tried to=
=0Aunify or whenever the bin holding exhaust brackets ran out and they=
=0Arefilled it. Whichever came first. They did not throw any away in=0Al=
ieu of unified replacements.&nbsp;=0A<div><br></div>=0A<div>Likely, Mich=
ael's new set will be UNF as they are not making=0Aany early parts for "=
purists"-same holds true on the rear gearbox=0Amounts and other items as=
 well. Hank<br><br><p>-----------------------------------------</p>=0AFr=
om: "Curtis Arndt via Healeys"<br>=0ATo: "Michael Salter"<br>=0ACc: "Ahe=
aley help"<br>=0ASent: Tuesday May 23 2023 8:27:22AM<br>=0ASubject: Re:=
 [Healeys] Exhaust hangers<br><br><div dir=3D"ltr">=0A<div dir=3D"ltr"><=
font size=3D"4"><i>&lt;To be correct the "U" clamp=0Ashould have UNF thr=
eads.&nbsp; &nbsp;Just=0Asayin'&gt;</i><br></font></div>=0A<div dir=3D"l=
tr"><font size=3D"4"><br></font></div>=0A<div dir=3D"ltr"><font size=3D"=
4">Michael, FWIW, both of my ORIGINAL=0A"U" shaped clamps have BSF faste=
ners... See photos. I reused one of=0Amy originals when&nbsp;I restored=
 my BN1. Modern reproduction "U"=0Aclamps&nbsp;use UNF or more commonly=
 UNC fasteners.</font></div>=0A<br><div class=3D"gmail_quote">=0A<div di=
r=3D"ltr" class=3D"gmail_attr">On Mon, May 22, 2023 at 7:33=E2=80=AFPM=
=0AMichael Salter &lt;<a>[email-masked]</a>&gt;=0Awrote:<br></d=
iv>=0A<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px .8ex=
;border-left:1px solid rgb(204,204,204);padding-left:1ex;">=0A<div>The s=
trut attaches to an extra length oil pan screw, the one=0Adirectly below=
 the spot where the tach cable attaches to the tach=0Adrive housing.=0A<=
div>To be correct the "U" clamp should have UNF threads.&nbsp;=0A&nbsp;J=
ust sayin'</div>=0A<div><br></div>=0A<div>M</div>=0A</div>=0A<br><div cl=
ass=3D"gmail_quote">=0A<div dir=3D"ltr" class=3D"gmail_attr">On Mon., Ma=
y 22, 2023, 5:47 p.m.=0AMichael MacLean via Healeys, &lt;<a>healeys@auto=
x.team.net</a>&gt;=0Awrote:<br></div>=0A<blockquote class=3D"gmail_quote=
" style=3D"margin:0px 0px 0px .8ex;border-left:1px solid rgb(204,204,204=
);padding-left:1ex;">=0A<div dir=3D"ltr">=0A<div>Excuse my ignorance, bu=
t can someone tell me what number 8 is=0Abolted to and where does it cla=
mp to the exhaust pipe? Anyone have=0Aa picture of this hanger in place?=
&nbsp; I am ordering all the=0Ahangers for the exhaust system to install=
 before I take the car off=0Athe jack stands.</div>=0A<div>Mike MacLean<=
/div>=0A</div>=0A</blockquote>=0A</div>=0A</blockquote>=0A</div>=0A</div=
>=0A</div>=0A</div>=0A</blockquote>=0A</div>=0A</[email-masked]></bo=
dy></html>

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[email-masked]

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---

From: Curtis Arndt <[email-masked]>
Date: Tue, 23 May 2023 19:47:35 -0700

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Awesome, thanks!

On Tue, May 23, 2023 at 6:25=E2=80=AFPM Hank Leach <[email-masked]> wr=
ote:

> Curt-absolutely, I'm glad that I had them for my 100 and they are on the
> car #588 October 22,1953-not too many UNF hardware items on this car.
> Regards, Hank
>
> From: "Curtis Arndt"
> To: "Hank Leach"
> Cc: "[email-masked]", "Michael Salter"
> Sent: Tuesday May 23 2023 9:40:38AM
> Subject: Re: [Healeys] Exhaust hangers
>
> Hank
>
> Thanks! Very cool photo, may we use this for the AH Concours Guidelines?
>
> No one can tell just when the "U" bracket threads changed.
>
> Many Whitworth fasteners on the late BN1s and BN2s were changed over to
> UNF in late '55 nad '56. Most of these changes were documented in the
> factory parts manual and service bulletins while some were not
> documented at all. Like Hank stated, when the parts bin ran out, new item=
s
> were often sourced and installed, and not necessarily documented.
>
> Until we can confirm that were UNF threaded "U" brackets used on later
> 100s in lieu of the BSF ones, then the assumption has to be that they wer=
e
> used until the end of BN2 production. So, if anyone out there has an
> original "U" clamp from a late BN1 or BN2 with UNF threads, please submit
> documentation to Michael Salter and me so that we can update the Concours
> Guidelines.
>
> Cheers,
>
> Curt Arndt
>
> On Tue, May 23, 2023 at 8:59=E2=80=AFAM Hank Leach <[email-masked]> =
wrote:
>
>> Ok, as long as we are showing clamps, here is my NOS exhaust bracket
>> set.  It was still wrapped in this photo, but as Curt says- its British
>> thread-probably until mid 1954 when they tried to unify or whenever the =
bin
>> holding exhaust brackets ran out and they refilled it. Whichever came
>> first. They did not throw any away in lieu of unified replacements.
>>
>> Likely, Michael's new set will be UNF as they are not making any early
>> parts for "purists"-same holds true on the rear gearbox mounts and other
>> items as well. Hank
>>
>> From: "Curtis Arndt via Healeys"
>> To: "Michael Salter"
>> Cc: "Ahealey help"
>> Sent: Tuesday May 23 2023 8:27:22AM
>> Subject: Re: [Healeys] Exhaust hangers
>>
>> *<To be correct the "U" clamp should have UNF threads.   Just sayin'>*
>>
>> Michael, FWIW, both of my ORIGINAL "U" shaped clamps have BSF
>> fasteners... See photos. I reused one of my originals when I restored my
>> BN1. Modern reproduction "U" clamps use UNF or more commonly UNC fastene=
rs.
>>
>> On Mon, May 22, 2023 at 7:33=E2=80=AFPM Michael Salter <michaelsalter@gm=
ail.com>
>> wrote:
>>
>>> The strut attaches to an extra length oil pan screw, the one directly
>>> below the spot where the tach cable attaches to the tach drive housing.
>>> To be correct the "U" clamp should have UNF threads.   Just sayin'
>>>
>>> M
>>>
>>> On Mon., May 22, 2023, 5:47 p.m. Michael MacLean via Healeys, <
>>>> Excuse my ignorance, but can someone tell me what number 8 is bolted t=
o
>>>> and where does it clamp to the exhaust pipe? Anyone have a picture of =
this
>>>> hanger in place?  I am ordering all the hangers for the exhaust system=
 to
>>>> install before I take the car off the jack stands.

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<div dir=3D"ltr">Awesome, thanks!=C2=A0<br></div><br><div class=3D"gmail_qu=
ote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, May 23, 2023 at 6:25=E2=
=80=AFPM Hank Leach &lt;<a href=3D"mailto:[email-masked]">gradea1@char=
ter.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"=
margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-lef=
t:1ex"><div>Curt-absolutely, I&#39;m glad that I had them for my 100 and th=
ey are on the car #588 October 22,1953-not too many UNF hardware items on t=
his car.=C2=A0 Regards, Hank<br><br><div></div><p>-------------------------=
----------------</p>From: &quot;Curtis Arndt&quot; <u></u><br>To: &quot;Han=
k Leach&quot;<br>Cc: &quot;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&quot;, &quot;Michael Salter&quot;<br=
>Sent: Tuesday May 23 2023 9:40:38AM<br>Subject: Re: [Healeys] Exhaust hang=
ers<br><br>
<div dir=3D"ltr"><font size=3D"4">Hank</font>
<div><font size=3D"4"><br></font></div>
<div><font size=3D"4">Thanks! Very cool photo,=C2=A0may we use this
for the AH Concours Guidelines?</font></div>
<div><font size=3D"4"><br></font></div>
<div><font size=3D"4">No one can tell just when the &quot;U&quot; bracket
threads changed.=C2=A0</font></div>
<div><font size=3D"4"><br></font></div>
<div><font size=3D"4">Many Whitworth fasteners=C2=A0on the late BN1s
and BN2s were changed over to UNF in late &#39;55 nad &#39;56. Most of
these changes=C2=A0were documented in the factory parts manual and
service bulletins while some were not documented=C2=A0at all. Like
Hank stated, when the parts bin ran out, new items were often
sourced and installed, and not necessarily documented.</font></div>
<div><font size=3D"4"><br></font></div>
<div><font size=3D"4">Until we can confirm that were UNF threaded &quot;U&q=
uot;
brackets used on later 100s in lieu of the BSF ones, then the
assumption=C2=A0has to be that they were used until the end of BN2
production. So, if anyone out there has an original &quot;U&quot; clamp fro=
m
a late BN1 or BN2 with UNF threads, please submit documentation to
Michael Salter and me so that we can update the Concours
Guidelines.</font></div>
<div><font size=3D"4"><br></font></div>
<div><font size=3D"4">Cheers,</font></div>
<div><font size=3D"4"><br></font></div>
<div><font size=3D"4">Curt Arndt</font></div>
</div>
<br><div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Tue, May 23, 2023 at 8:59=E2=80=AF=
AM
Hank Leach &lt;<a>[email-masked]</a>&gt;
wrote:<br></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>Ok, as long as we are showing clamps, here is my NOS exhaust
bracket set.=C2=A0 It was still wrapped in this photo, but as Curt
says- its British thread-probably until mid 1954 when they tried to
unify or whenever the bin holding exhaust brackets ran out and they
refilled it. Whichever came first. They did not throw any away in
lieu of unified replacements.=C2=A0
<div><br></div>
<div>Likely, Michael&#39;s new set will be UNF as they are not making
any early parts for &quot;purists&quot;-same holds true on the rear gearbox
mounts and other items as well. Hank<br><br><p>----------------------------=
-------------</p>
From: &quot;Curtis Arndt via Healeys&quot;<br>
To: &quot;Michael Salter&quot;<br>
Cc: &quot;Ahealey help&quot;<br>
Sent: Tuesday May 23 2023 8:27:22AM<br>
Subject: Re: [Healeys] Exhaust hangers<br><br><div dir=3D"ltr">
<div dir=3D"ltr"><font size=3D"4"><i>&lt;To be correct the &quot;U&quot; cl=
amp
should have UNF threads.=C2=A0 =C2=A0Just
sayin&#39;&gt;</i><br></font></div>
<div dir=3D"ltr"><font size=3D"4"><br></font></div>
<div dir=3D"ltr"><font size=3D"4">Michael, FWIW, both of my ORIGINAL
&quot;U&quot; shaped clamps have BSF fasteners... See photos. I reused one =
of
my originals when=C2=A0I restored my BN1. Modern reproduction &quot;U&quot;
clamps=C2=A0use UNF or more commonly UNC fasteners.</font></div>
<br><div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Mon, May 22, 2023 at 7:33=E2=80=AF=
PM
Michael Salter &lt;<a>[email-masked]</a>&gt;
wrote:<br></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>The strut attaches to an extra length oil pan screw, the one
directly below the spot where the tach cable attaches to the tach
drive housing.
<div>To be correct the &quot;U&quot; clamp should have UNF threads.=C2=A0
=C2=A0Just sayin&#39;</div>
<div><br></div>
<div>M</div>
</div>
<br><div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Mon., May 22, 2023, 5:47 p.m.
Michael MacLean via Healeys, &lt;<a>[email-masked]</a>&gt;
wrote:<br></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 dir=3D"ltr">
<div>Excuse my ignorance, but can someone tell me what number 8 is
bolted to and where does it clamp to the exhaust pipe? Anyone have
a picture of this hanger in place?=C2=A0 I am ordering all the
hangers for the exhaust system to install before I take the car off
the jack stands.</div>
<div>Mike MacLean</div>
</div>
</blockquote>
</div>
</blockquote>
</div>
</div>
</div>
</div>
</blockquote>
</div>
<u></u></div>
</blockquote></div>

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[email-masked]

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