No better fuel milage SCT??? - Ford Powerstroke Diesel Forum

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post #1 of 4 Old 10-05-2011, 07:27 AM Thread Starter
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No better fuel milage SCT???

I just bought a SCT X3 from Innovative Diesel and got the three basic custom tunes. Tow, Eco, and Street. What kind of fuel milage increase should I be seeing? I made a 600 mile trip and tried Street for 300 miles and averaged 16.2 mpg, then switched to economy and got 16.1 mpg, went to stock and got 16.4 mpg. I was under the impression I would get better milage. Used cruise control the whole time so I wouldn't change the way I was driving. Any Ideas?
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post #2 of 4 Old 10-05-2011, 09:12 PM
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I never calculated my gains but 1-2mpg no higher if you can keep your foot out of it.
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post #3 of 4 Old 10-06-2011, 08:45 AM
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I have Vivian's tunes and get the best milage with the looney 18.5 -19 hwy

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post #4 of 4 Old 10-06-2011, 08:54 AM
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It's wierd but the more extreme(Looney) tunes seem to provide the best mileage. If you had Eric's Extreme tunes you might see several MPG differences.But that all and you have to drive like normal or on the highway at a constant speed to see those changes. Otherwise with the tow and street tunes mileage will remain the same or less depending how heavy you get on the go pedal.....Good Luck ....Steve


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