I have fought with similar heat related problems, and got them "better" by
fabricating a heat shield (I have headers as well). I'm still looking to
improve, but the shield was a big help.
-----Original Message-----
From: Terry L. Thompson <tlt@digex.net>
To: spitfires@autox.team.net <spitfires@autox.team.net>
Date: Sunday, April 30, 2000 5:16 PM
Subject: carb help, please?
> One of the problems with the HIF4's, from what I understand is that if
the
>float chamber becomes excessively hot, the bi-metal plate (which levers the
>jet via the mixture screw) will flex and alter the fuel jet to compensate.
> Does anyone know if the bimetal plate opens the fuel jet or closes it?
> I'm thinking the heat coming off of the radiator and the header might be
>the problem.
> I'm starting to feel like this car is never going to run right again!
>
>-Terry L. Thompson
>'76 Spitfire 1500 (Man that monza exhaust is loud!)
>Maryland
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