>
My understanding of Nigel's carb heat mod is that it warms the carb just enough
to
prevent any ice from sticking (the water vapour is going through the engine
anyway)
and
doesn't heat the incoming charge - a case of having your luch and eating it at
the same
time.....
M
>
> >
> The theory of petrol engines is that one doesn't want the petrol to
> evaporate outside the cylinders as this reduces the mass of charge which
> can be drawn in. Carburettors are intended to deliver the fuel as a
> spray, or largely so. Ideally the heating via the liquid coolant should
> only be applied when it is needed. At other times one should be trying
> to supply as cool a charge as possible.
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