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2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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E85 tunes
Wondering if anyone has any experience with the tow or performance tunes in E85? Is it worth it or does the mileage suck as bad as stock? Dont normally run it based on the drop in MPG but I know the octane rating is way higher the regular gas.
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