Ford Mustang Forum - View Single Post - Best Highway Fuel Economy for 3.7 V6???
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post #6 of (permalink) Old 09-02-2013
gmxblazer's Avatar
Joined: Nov 2011
Location: Midwest
Posts: 205
Best I have seen was 37.8 that was hand calculated the CPU was reading 36.4... That was bone stock. I imagine if I was going down hill or modified I could hit 39. I was going 75 and all open highway so no having to pass or slow down and flat. I was fairly impressed and on 91 octane

Current mustang
2013 3.7 MT-82:pony package,pype bomb's axleback and that's all for now
Past mustang
2007 4.0 T-5 :Pony package,pypes axleback, afe cold air intake, bama tuned
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