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Thread: 8.1 vortec/Allison Tuning

  1. November 6th, 2007 #1
    1FastMax
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    Default 8.1 vortec/Allison Tuning

    When tuning the 8.1 vortec equipped with the allison lct, are the trans tables relevant? Or do i need to tune the alli seperatly?
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  2. December 5th, 2007 #2
    Whippled 496
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    seperate TCM controls tranny. Disregard the tranny tables in the PCM.
    2014 GMC 2500HD RCLB SLE
    LML / Allison
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