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Re: su carb leak

To: "INTERNET:ZoboHerald@aol.com" <ZoboHerald@aol.com>
Subject: Re: su carb leak
From: Dave Massey <105671.471@compuserve.com>
Date: Sat, 16 Mar 2002 17:46:44 -0500
Cc: "[unknown]" <MDeMarta@RTKL.com>, "[unknown]" <triumphs@autox.team.net>
Message text written by INTERNET:ZoboHerald@aol.com
>If anyone has any ideas they'd like to share on Mark's problem, please be 
sure to at least include him in your reply <MDeMarta@RTKL.com>. I'm
thinking 
maybe needle valves or Grose Jets sticking? -- Andy Mace

> --- Mark DeMarta <MDeMarta@RTKL.com> wrote:
> > 
> > Hi,
> > 
> > While I have a volvo 122s with SU carbs(HS6), I
> > thought my condition might
> > be universal to SU carbs.  I am researching the
> > various vintage English and
> > Japanese car sites to find useful guides to tuning
> > the carbs.
> > 
> > I have a problem however that no one seems to
> > mention.  It is a rather
> > serious one in that I have gas leaking from the
> > carb.  After a few moments
> > of low idle, the rear carb squirts fuel from the
> > float vent hole.  I tryed
> > putting the little vent cover plate back on but it
> > made the float bowl leak
> > even more.  It doesn't happen all the time, but it
> > makes me nervous.  I seem
> > to have trouble keeping an even idle, so I  have
> > been adjusting the fuel
> > mixture at a fast idle (around 1500rpm).
> > 
> > What do you think? I appreciate any comments you may
> > have.
<

I agree with the sticky valves.  Perhaps there is some dirt in the fuel
which would explain the come and go part.

Dave

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