That's what I have heard. The goal is to eliminate fuel condensing into a
puddle.
I think the air itself will pass through the short manifold too quickly to heat
up significantly, especially
at full throttle.
Doug Braun
'72 Spit
At 03:22 PM 7/12/2005 +0100, Gosling, Richard B wrote:
>Take this response with a reasonable pinch of salt, 'cos it's a
>half-remembered something I read a while ago, but there is a good reason for
>heating the inlet manifold. It's something to do with the fuel condensing
>on the surface of a cold manifold, which is not a good thing, since we want
>all the fuel to go straight into the combustion chamber rather than puddling
>in the bottom of the manifold. When a turbocharger (or supercharger) is
>fitted, there's more reason to try and cool the inlet air, since the charger
>will significantly raise the temperature of the air along with its pressure.
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