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Thread: Looking for a factory L86 6.2 A8 3.42 Max Tow Pkg tune

  1. #1
    Potential Tuner
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    Jul 2017
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    Looking for a factory L86 6.2 A8 3.42 Max Tow Pkg tune

    In search of a L86 A8 3.42 (NHT) Max Tow stock tune. I already have a L86 A8 3.23 tune. I'm looking for differences in certain axle torque parameters.

  2. #2
    Is NHT the RPO code you're looking for? Not sure how to identify a Max Tow PKG file

  3. #3
    Advanced Tuner
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    May 2007
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    Yes, NHT is the RPO code for the max tow package.

  4. #4
    Advanced Tuner veee8's Avatar
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    Here you go.
    Attached Files Attached Files
    www.crawford-racing.com
    Home of the original and best selling CR-Fueler plug and play port injection controller kits for all GM Gen V direct injection platforms.

  5. #5
    Potential Tuner
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    Aug 2017
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    Base tune L86 A8 3.23 tune

    Quote Originally Posted by turbocdubs View Post
    In search of a L86 A8 3.42 (NHT) Max Tow stock tune. I already have a L86 A8 3.23 tune. I'm looking for differences in certain axle torque parameters.
    Could I possibly get a copy of the standard L86 A8 3.23 tune? I had mine tuned recently and they didn't save me a copy of the base file.

    Thanks! Tom

  6. #6
    Tuner in Training
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    Mar 2019
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    dont know if the 2017 6.2l max trailering 4x4 tune is different then the 15 but here it is
    Attached Files Attached Files

  7. #7
    Tuner in Training
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    Quote Originally Posted by tgcounts View Post
    Could I possibly get a copy of the standard L86 A8 3.23 tune? I had mine tuned recently and they didn't save me a copy of the base file.

    Thanks! Tom
    cant you go back to get it. the tunes the same just change your gearing