A fellow made some experiments and measured the underbonnet temps last year
on a BJ8. With the normal setup, the air temperature at the carb could reach
75-80 celsius when idling! Louvering and banding the downpipe with heat
insulating material lowered the temp quite well (50-55celsius). Opening the
side of the front wings can also help a bit.
The Healey's engine bay is very small for this big engine.
Gergo
2011/4/20 DANIEL WILLS <dndwills@verizon.net>
> Hi all, I have just gotten a Healey 100 with a dealer installed LeMans kit.
> I am new to the whole thing but have loved them forever, and am getting an
> education from the Listers . I have noticed reports that the carbs will
> heat up during stops at lights, in traffic etc. Do many people have this
> problem? I had it in a 70 Volvo and it was real problem(in this case they
> were right over the exhaust manifold.) I wonder if as others have suggested
> a heat blocking gasket might do it which, as I recall, never worked in the
> Volvo.
> Dan_______________________________________________
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