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Old 07-20-2014, 02:38 PM   #19 (permalink)
oil pan 4
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Actually if you think about it, all modern gasoline fuel systems are vacuum driven gas vapor systems.
The gasoline is exposed to vacuum anywhere between the throttle and the top of the piston, until the valve closes and the air fuel goes into compression. When driving down the road you can expect to run between 15 and 22 inchs of Hg. That's a vacuum of -7 to -10 psi.
Heat in the fuel that gets picked up on its way to the gasoline induction system combined with exposure to the vacuum should flash all the gasoline to vapor in the warm to hot vacuum environment.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
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