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On 20 Dec 2005 at 10:40, Michael Cecil wrote: > If the common BP was that low we wouldn't have stories about vapor > lock only happening after the car's engines get hot. Good point. If the BP was this low, carburetted cars wouldn't start, because the minute the mechanical fuel pump tried to suck fuel from the tank (think of a rear-engined car where the tank is lower than the fuel pump) the vacuum necessary to suck the fuel uphill would cause the fuel to boil rather than stay liquid and be sucked uphill. -- Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~