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Thread: Highest Miles On The RaceME Ultra Box Tune?

  1. Top Of Page | #11
    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: Highest Miles On The RaceME Ultra Box Tune?

    Quote Originally Posted by Dirtguy69 View Post
    Can you install the RaceME Ultra after the truck has already been deleted?
    Yes, but the box tuning leaves a lot to be desired.

    God bless,
    igotacummins

    "The grass is greener where you water it"


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  3. Top Of Page | #12
    Linetrash47's Avatar

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    Re: Highest Miles On The RaceME Ultra Box Tune?

    I made it from 30xxx to 70xxx with the box tunes.

    I am running almost exclusively in the +200hp file when not towing.

    I saw up to 20mpg on 35’s with 68RFE.

    The truck never really ran right, like a gasser with a dropped cylinder, except for some specific scenarios where the converter was locked, in 5th or 6th gear, and pulling from about 1500-2100rpm.

    No trans issues to speak of.

    Did have issues building too much boost on box files.

    I went to DRD tunes, and now the truck runs like a Cummins should.

    It didn’t strike me as not running right until compared to a common rail 5.9L or a 12V P7100 with a 4K spring, HX40, that has seen a flathead and has bigger injectors which ram WAY better than my 6.7L with box tunes.

    Now am seeing a 22-24mpg average in a higher hp setting.


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