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Old 05-21-2014, 04:57 PM   #13 (permalink)
RobertISaar
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Join Date: Jul 2012
Location: camden, MI
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MC SBX - '95 Chevrolet Monte Carlo LS
Last 3: 29.75 mpg (US)
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Quote:
Originally Posted by Frank Lee View Post
As far as pressurizing gas tanks: Wouldn't that alter fuel line pressure and if raised enough, cause the engine to run rich, then causing the ECU to re-trim leaner?
yes.

enough pressure and you can double fuel flow per time unit, causing an indicated 100% gain in MPG on a trip computer.

reality, no change. well, actually, worse since the energy to pressurize the tank isn't free, but it will show nearly double.
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