Ford Mustang Forum - View Single Post - Best Highway Fuel Economy for 3.7 V6???
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post #32 of (permalink) Old 09-16-2013
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Joined: Dec 2002
Location: Troy
Posts: 649
Originally Posted by Liv4spd View Post
How many miles after break in did you get that good MPG?

My 2014 V6 manual Mustang only has 1400 miles for now. I usually get only 16 MPG with half highway and half city driving. I do some heavy acceleration occasionally.
Your engine is still WAY too tight. Don't even look at MPGs until it's broken in around 5,000 miles or so. Drive it hard. Don't baby a new engine!

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