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Vacuum gauge
Vacuum gauge, $18 from Harbor Freight. MPG increased from 24 to 30+, all short distance city driving.
Car is a 1989 Eagle Summit, 4 dr sedan
3-speed auto transmission (yuk!)
Original EPA rated 27/30
I'm sure an MPGuino will yield similar results. But a vacuum gauge is simple, cheap, and easy to install, so why not!
Last edited by phh; 03-20-2015 at 06:48 PM..
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