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'08 6.4 milage

  1. General 6.4L Discussion
    I picked up an '08 F250 with a 6.4 a week ago, really nice truck with 49K miles, gets 13-14 MPG. I am hoping to get to the mid or upper teens MPG with normal driving, empty. I am clueless, what changes should I make? there are a gazillion products with lots of promise. I have to think some are...
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