Love This

Tom Sharpe twsharpe at mtco.com
Mon Feb 1 03:56:34 GMT 1999


Get em Ward.  Has anyone calculated the vapor pressure @ 200 degrees and compare
it with the fuel pressure.  I don't think we have a problem... And if we do,
IMHO it should be solved with a tiny jet in the return line.    Regards  Tom

Ward Spoonemore wrote:

> I think you should check the temp of your fuel after about 30 minutes
> running it should be 20- 30 deg less than the coolant temp, remember most of
> the fuel is being returned (hot) to the tank at normal driving, The major
> problem is keep the pump from running dry and tearing up the pump.
>
> The "no return" systems came into favor as a result of more restrictive
> rules on evap system's. If the fuel isn't returned to the tank the vapor
> pressure is much reduced because the fuel is no at ambient temp, (except for
> bone head door stop Camaros that have the tank in top of the muffler).
>
> Ward




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