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Re: [Healeys] 100 carb balance pipe

To: Bob Haskell <rchaskell@earthlink.net>
Subject: Re: [Healeys] 100 carb balance pipe
From: Curtis Arndt <cnaarndt@gmail.com>
Date: Fri, 24 Apr 2015 11:08:17 -0700
Cc: Healey List <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <5538C2E7.3030808@earthlink.net> <CAFBXTk+ZxSC7stbqKgG8Hj5zUTNnFxhb1xinWbhashD6YpeRWg@mail.gmail.com> <5538D307.2040609@earthlink.net>
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Hi All,

I believe (almost certain) that the 1/4" studs on the manifold are BSF on
BOTH ends.  IF they were coarse threaded into the aluminum they would be
BSW, to match the BSF Whitworth threads on the other end.

Cheers,

Curt

On Thu, Apr 23, 2015 at 4:09 AM, Bob Haskell <rchaskell@earthlink.net>
wrote:

> Alan,
>
> The threads are definitely BSF in these manifolds, but you're right -
> coarse thread is usually the case in aluminum.
>
> Thanks,
>
> Bob Haskell
> AHCA 3000 Mk I registrar
> http://www.ciahc.org/registry_3000mk1.php
>
> On 04/23/2015 06:21 AM, Alan Seigrist wrote:
>
>> Bob -
>>
>>  From memory I believe they have a section that isn't threaded in the
>> middle, with coarse thread to go in the manifold and fine thread for the
>> nut.
>>
>> Then again I probably have no clue what I'm talking about.
>>
>> Alan
>>
>> On Thu, Apr 23, 2015 at 6:01 PM, Bob Haskell <rchaskell@earthlink.net
>>
>>     Listers,
>>
>>     The balance pipe is attached to each intake manifold with two studs.
>>     Are the studs just threaded rod, or is there a non-threaded section in
>>     the middle?  Assume that they're steel and overall length an inch.
>>     Threads are 1/4-26 (BSF/BSC).
>>
>>     Cheers,
>>
>>     Bob Haskell
>>     AHCA 3000 Mk I registrar
>>     http://www.ciahc.org/registry_3000mk1.php
>>     _______________________________________________
>>     Support Team.Net http://www.team.net/donate.html
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>>
>>
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<div dir=3D"ltr"><div>Hi All,</div><div><br></div><div>I believe (almost ce=
rtain) that the 1/4&quot; studs on the manifold are BSF on BOTH ends.=C2=A0=
 IF they were coarse threaded into the aluminum they would be BSW, to match=
 the BSF Whitworth threads on the other end.</div><div><br></div><div>Cheer=
s,</div><div><br></div><div>Curt</div></div><div class=3D"gmail_extra"><br>=
<div class=3D"gmail_quote">On Thu, Apr 23, 2015 at 4:09 AM, Bob Haskell <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:rchaskell@earthlink.net"; target=3D"_bl=
ank">rchaskell@earthlink.net</a>&gt;</span> wrote:<br><blockquote class=3D"=
gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex">Alan,<br>
<br>
The threads are definitely BSF in these manifolds, but you&#39;re right - c=
oarse thread is usually the case in aluminum.<br>
<br>
Thanks,<span><br>
<br>
Bob Haskell<br>
AHCA 3000 Mk I registrar<br>
<a href=3D"http://www.ciahc.org/registry_3000mk1.php"; target=3D"_blank">htt=
p://www.ciahc.org/registry_3000mk1.php</a><br>
<br></span><span>
On 04/23/2015 06:21 AM, Alan Seigrist wrote:<br>
</span><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;=
padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;b=
order-left-style:solid"><span>
Bob -<br>
<br>
=C2=A0From memory I believe they have a section that isn&#39;t threaded in =
the<br>
middle, with coarse thread to go in the manifold and fine thread for the<br=
>
nut.<br>
<br>
Then again I probably have no clue what I&#39;m talking about.<br>
<br>
Alan<br>
<br>
On Thu, Apr 23, 2015 at 6:01 PM, Bob Haskell &lt;<a href=3D"mailto:rchaskel=
l@earthlink.net" target=3D"_blank">rchaskell@earthlink.net</a><br></span><s=
pan>
&lt;mailto:<a href=3D"mailto:rchaskell@earthlink.net"; target=3D"_blank">rch=
askell@earthlink.net</a>&gt;&gt; wrote:<br>
<br>
=C2=A0 =C2=A0 Listers,<br>
<br>
=C2=A0 =C2=A0 The balance pipe is attached to each intake manifold with two=
 studs.<br>
=C2=A0 =C2=A0 Are the studs just threaded rod, or is there a non-threaded s=
ection in<br>
=C2=A0 =C2=A0 the middle?=C2=A0 Assume that they&#39;re steel and overall l=
ength an inch.<br>
=C2=A0 =C2=A0 Threads are 1/4-26 (BSF/BSC).<br>
<br>
=C2=A0 =C2=A0 Cheers,<br>
<br>
=C2=A0 =C2=A0 Bob Haskell<br>
=C2=A0 =C2=A0 AHCA 3000 Mk I registrar<br>
=C2=A0 =C2=A0 <a href=3D"http://www.ciahc.org/registry_3000mk1.php"; target=
=3D"_blank">http://www.ciahc.org/registry_3000mk1.php</a><br>
=C2=A0 =C2=A0 _______________________________________________<br>
=C2=A0 =C2=A0 Support Team.Net <a href=3D"http://www.team.net/donate.html"; =
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