[Healeys] 100 carb balance pipe
rchaskell at earthlink.net
Thu Apr 23 05:09:59 MDT 2015
The threads are definitely BSF in these manifolds, but you're right -
coarse thread is usually the case in aluminum.
AHCA 3000 Mk I registrar
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
> Then again I probably have no clue what I'm talking about.
> On Thu, Apr 23, 2015 at 6:01 PM, Bob Haskell <rchaskell at earthlink.net
> <mailto:rchaskell at earthlink.net>> wrote:
> 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).
> Bob Haskell
> AHCA 3000 Mk I registrar
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