Concept ??? pressure-vacuum gas cap

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Posted by chris case on Sunday, July 18, 2004 at 3:20PM :

Detroit has been using them on gas tanks for years, assumably to control evaporative emmissions from tank. But would they have distinct advantages in our flat-fenders? They would stabilize the atmosphere in the tanks, preventing fuel degeneration in a truck driven only occassionally. They would retain the pressure created by sloshing when driving, the positive pressure behind the gas preventing 'vapor lock'. Simply hose clamp a filler neck of the proper I.D. in place of the OE filler neck....or is the charcoal cannister a significant part of the vent system? Hmmmm... any smog guys here?

Follow Ups:

sending units might also be vents - Jim Chance 8:05PM 07/19/2004

One more thing to mention.... - Matt Wilson 4:04PM 07/18/2004

No, that EXACTLY what I wanna do - chris case 6:41PM 07/18/2004
- Re: No, that EXACTLY what I wanna do - Matt Wilson 1:24PM 07/19/2004

Re: Concept ??? pressure-vacuum gas cap - Matt Wilson 4:01PM 07/18/2004

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