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Old 04-14-2009, 05:03 PM   #14 (permalink)
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Join Date: May 2008
Location: Long Island Ny
Posts: 6

Tek Cruiser - '02 Nissan Altima s
Last 3: 28.13 mpg (US)
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Vapor lock was far more common in older gasoline fuel systems incorporating a low-pressure mechanical fuel pump driven by the engine, located in the engine compartment and feeding a carburetor.
My pump is in my tank nowhere near any heated fuel, as I explained there is no return line.

The boiling point of gasoline varies. At atmospheric pressure, it's between 100 and 400 oF. A primary cause of this variance is the various additives in the gasoline from different refiners designed to meet different octane requirements.
So in the winter there's almost no way it will be vapor. But it wont be -10.

Gasoline isn't even flammable, only its vapor is.

So no one has any experience with this application at all? I searched for threads on this motor with no luck.
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