Quote:
Originally Posted by MetroMPG
Few of the "easy" mods have a large impact on fuel economy. They each contribute a couple of percent here & there. It's when you put them all together that you start to see a difference at the pump.
One mirror: maybe a 1 or 1.5% difference. (Very rough estimate.)
Grille block: maybe a 2-4% difference.
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Cool man thanks,How we'll does FAS and those other techniques work with auto transmission..