Ford Mustang Forum - View Single Post - Best Highway Fuel Economy for 3.7 V6???
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post #31 of (permalink) Old 09-16-2013
konatown's Avatar
Joined: Mar 2013
Location: Springfield
Posts: 83
Interesting article Don, thanks. I personally have achieved 36mgp at about 55-60 mph. 70mph will get me about 31mpg in good conditions. Then the mpgs begin to drop, 75-80mph will get me only about 26-27mpg. These #s are all on 2.73:1 rear gear, manual transmission. It seems to me that at 1800RMP and above the mpgs drop quickly. Can those with other rear gear ratio's attest to this?

2011 V6 Kona Blue, MT, 3.55's, airaid cai, 93R tune, BBK shorty headers, 2.5" exhaust, GT axle-backs, BMR rear LCAs, pony package, comfort package
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