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  1. E85

    Ford Crown Vic, Mercury Marauder, Grand Marquis
    I have an 11 p71 thats flex fuel tried e85 once. Horrible preformance and power overall not so good of experience. I don't understand why? Anyone running full e85 on there vics? Am I doing it wrong? Or do I need to upgrade things even tho it comes factory flex fuel ? Do I need bigger injectors...
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