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Thread: 6.4 tuning

  1. #1
    Potential Tuner
    Join Date
    Jul 2025
    Posts
    1

    6.4 tuning

    Spit out a cam and lifter so replaced with - mmp-mdsram-6.4trk - hell cat lifters - melling high volume oil pump - now system runs to rich - both banks - all sensors seem good - tuned to shut off mds thats it - cam said no tune required - long term -19

  2. #2
    Advanced Tuner N2speed's Avatar
    Join Date
    Mar 2021
    Location
    Pompano Beach FL
    Posts
    472
    data log?
    www.n2speed.com
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    Dodge And GM Tuning Support
    Diablosport CMR | HP Tuners

  3. #3
    Advanced Tuner f.creek-ranch's Avatar
    Join Date
    May 2018
    Location
    Germany
    Posts
    625
    Welcome,
    Tuned with what ? Diablo ?
    Have you Set octane tune ?
    Undo that.

    Have you reset the fueling?
    If there was an issue with a lifter, the trims going high to compensate…
    Reset it.