Thread: Shielding
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Old 09-27-2009, 02:54 PM   #22
BonzoHansen
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Quote:
Originally Posted by LTs1ow View Post
I doubt exhaust gases will be able to significantly change the temperature of 10 gallons of gas in the time spent idling at a light.
I do know a lot of guys with EFI setups on Power Tour a few years ago were having problems with vapor lock after a few hours of driving. The fuel in the lines was getting heated along its path and and the hotter fuel returning to the tank heated the gas in the tank and causing vapor lock issues. So maybe GM had a reason to go to dead-headed systems.

So my point it maybe professional engineers know more than the average guy does. But then again I'm not smarter than a GM engineer like you folks are.
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