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Thread: 2005 c6 vette how to change gear ratios in file after gear swap

  1. #1
    Senior Member
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    Dec 2008
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    Default 2005 c6 vette how to change gear ratios in file after gear swap

    this is alot different then early 411 style trans controls,car had 2.73s and went 3.73s ,there really isnt much in the file as it says gear ratio factory is 1.0... i can post tune file if need.some insight would be cool.thanks

  2. #2
    Senior Member
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    Default

    or is it just done in the t42 controller under h0103

  3. #3
    Joe (Moderator) joecar's Avatar
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    Apr 2003
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    Yes, try looking in the TCM tune.

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