I keep saying I saw an increase in gas mileage with a programmer. My non-towing MPG average is 15.2, and I have a truck that is probably heavier than yours with the 4WD and a bed cap (that's slightly higher than the cab, so there's more air resistance too). I know there are no guarantees, but I think Bill's tunes make more efficient use of the fuel.
PHP is offering the older Gryphon for $369 now and tunes are $30 each. You can buy 1, 2 or 3 tunes, depending on your needs. If you don't tow, I'd recommend an 87 octane performance tune optimized for your driving style.
- Jack
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2014 F150 Platinum SCrew 3.5L EcoBoost 4x4 with SCT programmer
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