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Thread: 07.5-08 tcm in a 2009-10 LMM

  1. #1
    Lifetime Member IdahoRob's Avatar
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    Default 07.5-08 tcm in a 2009-10 LMM

    Have a customer now running a 07.5 tcm in his 2010LMM. This is a built tranny truck that the 2010 tcm was limiting. I tried it with a LBZ tcm and it doesn't work, but if needed find a early LMM tcm to mod the tuning on to get the most out of the late LMM.
    2013 LML, 550hp with factory emissions, stock cp4 and compound turbos.
    2002 LBZ, 4x4 (Max'd Out) 6000lbs 9.36 @ 154 mph NHRDA Champion and Record holder
    1965 El Camino, duramax 9.6 @ 149MPH

    All EFI tuned by Adrenaline Truck Performance

  2. #2
    Junior Member cook's Avatar
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    hi, any other mods required or is it just plug and tune thanks. Loren
    09 K2500 HD DMAX Z71 cc sb efi live Dsp5 tuned by me , banks ram air ,autometer gauges ,airdog 165, transgo jr ,pcv re route ,on 285's with air ride soon to come Gmax 6

  3. #3
    Lifetime Member killerbee's Avatar
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    Quote Originally Posted by IdahoRob View Post
    Have a customer now running a 07.5 tcm in his 2010LMM. This is a built tranny truck that the 2010 tcm was limiting. I tried it with a LBZ tcm and it doesn't work, but if needed find a early LMM tcm to mod the tuning on to get the most out of the late LMM.
    can you differentiate with part/service #'s?

    interesting.
    Michael, Systems Engineer 04.5 D-max LLY, Phoenix, Arizona Email
    Custom Tuning Services
    DURAMAX/CUMMINS ECM's TCM's for sale, all years, 20% wholesale discount available
    EFILive's first VGT "Software Wastegate Tune"

  4. #4
    Lifetime Member IdahoRob's Avatar
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    Quote Originally Posted by killerbee View Post
    can you differentiate with part/service #'s?

    interesting.
    Yes,
    2013 LML, 550hp with factory emissions, stock cp4 and compound turbos.
    2002 LBZ, 4x4 (Max'd Out) 6000lbs 9.36 @ 154 mph NHRDA Champion and Record holder
    1965 El Camino, duramax 9.6 @ 149MPH

    All EFI tuned by Adrenaline Truck Performance

  5. #5
    Lifetime Member DURAtotheMAX's Avatar
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    No other issues experienced when running an 07-08 TCM in an 09-10 LMM? Stabilitrak still works fine?
    2005 Silverado, CC/SB, 4x4, LT, LILLY/Allison
    12.9s @ 108 mph

    many thanks to Ross and Paul

  6. #6
    Lifetime Member killerbee's Avatar
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    Quote Originally Posted by IdahoRob View Post
    I tried it with a LBZ tcm and it doesn't work.
    IIRC, the LBZ and pre-09 LMM use the same TCM.

    ??
    Michael, Systems Engineer 04.5 D-max LLY, Phoenix, Arizona Email
    Custom Tuning Services
    DURAMAX/CUMMINS ECM's TCM's for sale, all years, 20% wholesale discount available
    EFILive's first VGT "Software Wastegate Tune"

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