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Re: SU float valve thread

To: "Donald H. Locker" <dhl@chelseamsl.com>
Subject: Re: SU float valve thread
From: "Graham Stretch" <technical@iwnet.screaming.net>
Date: Fri, 10 Mar 2000 22:58:38 -0000
Hi Donald
I don't know for sure but there is a possibility it is BS Brass this I think
has 26 (could be 27 or 28) TPI regardless of diameter.
Graham.

----- Original Message -----
From: Donald H. Locker <dhl@chelseamsl.com>
To: <spitfires@autox.team.net>; <triumphs@autox.team.net>
Sent: Friday, March 10, 2000 3:00 AM
Subject: SU float valve thread


>
> Hi, all.
>
> Anyone know (off hand or by any other method) what the thread spec is
> for the float valve of the SU H2 (or HS2) carbs?  I think one of my
> needle valves is leaking around the threads and I want to check the
> thread in the lid before attempting to replace the valve.  I don't
> want to try to tighten it without being sure it's not buggered (sorry
> to be so crude, but that's what it looks like from here.)  It seems
> to be nearly 1/4-28 or perhaps 6mm-1.0, but not quite either.  Another
> British spec thread?
>
> Thanks,
> Donald.




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