Vacuum leaks. Check all the plumping of the EGR system. That was most of
my problem.
Peter S
----- Original Message -----
From: Glenn Trunnell <trunnell@mindspring.com>
To: <spitfires@autox.team.net>
Sent: Sunday, July 25, 1999 11:12 AM
Subject: some carb questions
>
> Hi everybody,
>
> I have a few Stromberg questions and I hope maybe some body can help. I
am
> making one last attempt to get my '76 running halfway decently before I
> switch to the weber. I have recently rebuilt my motor approx. 1000 mi,
> ago, new cam, new ignition system including ็rane XR 700 and MSD multi
> spark discharge system, new plug wires and high output coil. My carb was
> rebuilt by apple hydraulics and I have attempted many times to find vacuum
> leaks without success. The car still idles like crap with a miss that can
> only be cured by adjusting the needle until it is totally rich. I did
> notice however that when I have the adjusting tool inserted into the top
of
> the piston that the weight forcing the piston down evens out the idle. I
> have replaced the spring, but am considering going to a heavier spring (8
> oz.) that is used in the SU HS4 carbs. Has anyone done this? The
> triumphtune manual mentions replacing the needles and springs in SU carbs
> whenever the engine is tuned to allow more airflow such as a freer flowing
> exhaust and low restriction air cleaner I thought that maybe the same
> approach would work with the ZS. Any ideas, thoughs, advice or wild ass
> guesses welcome.
>
> Thanks,
> Glenn
>
>
>
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