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Thread: Anybody still doing chips for tbi?

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  1. #1
    Carb and Points!
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    1993 gmc 1500 4.3v6 w/4l60e and 16168625 pcm

    i have the same need . tuner chip for my 1993 gmc 1500 4.3 w/4l60e new trans still have old trans problem stiff shift from 1-2 only.

  2. #2
    Super Moderator dave w's Avatar
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    Feb 2011
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    I've had good results using Bluecat Transmission Table Software for adjusting shifts for the 4L60E: https://forum.hptuners.com/showthrea...Table-Software

    dave w

  3. #3
    Carb and Points!
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