On Tue, 4 Jun 2002, Randall Young wrote:
>
> Assuming the problem really is vapor lock, not percolation in the carburetor
> bowls (which is very common in older British cars being run on modern
> gasoline), one work-around is to put a higher pressure fuel pump near the
> fuel tank, and a regulator near the carbs to bring the pressure back down to
> the 2-4 psi most LBC carbs like.
>
Another solution is to add a fuel return line. The pump can pump more than
fuel than the engine can use, so use the excess capacity to replaace hot
fuel from under the hood with cooler gas from the tank. Inline fuel filters
that have the return output are widely available. If you have a return
already, move it as close to the carb as possible.
David
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