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2011+ Engine Related Questions Sub-Forum to the new engines that debuted in 2011.

My Ecoboost getting 14.7mpg highway

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Old 04-07-2014, 01:17 PM
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and 75mph will kill the mileage on the EB! I'd be tempted to say by as much as 20-30% compared to driving 55-60mph.
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SkiSmuggs (04-07-2014)
Old 04-07-2014, 02:00 PM
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My fuel economy is much better at about 60-65, only slightly worse at 70, and 75+ it isn't even worth driving that fast because of the extra fuel used. Drag increases in a non-linear way the faster you go, just something to keep in mind.
Old 04-07-2014, 02:20 PM
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Originally Posted by zx12-iowa
That when you are flying past the outlet mall or stuck in outlet mall traffic? Lol.
Flying past...god that place brings in all sorts of idiots.
Old 04-07-2014, 02:34 PM
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I reset it on almost every fill up as to at least compare each fill up. I have also done it between tunes which is how I have seen the difference in tunes. I used to run SCT tunes and I have recently switch to running 5* for a bit to see how I Like it. I Would like to try a road trip but have not had the chance. Whenever I do much highway, I keep it under 75 in the interstate. The highway (a state route) I run on the most has a 60mph limit so I keep it close to there.



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