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Thread: 05 cts 3.6 - How to disable short term and long term fuel trims

  1. #1
    Tuner in Training
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    05 cts 3.6 - How to disable short term and long term fuel trims

    I am trying to calibrate the MAF for the 3.6 using hptuners but I cannot find any parameters that allow me to disable the fuel trims. attached is the tune file I am working with. Any help is appreciated.

    tune c.hpt
    1999 corvette frc ls1: 243 heads, ls6 intake, TB Bypass, SE Longtubes, TI mufflers, ZZP 7.375 Pushrods, ls7 Lifters, PAC 1218, Melling 10295, A+A Blower Cam.

    2007 Avalanche: Bone Stock!

  2. #2
    Tuner in Training
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    May 2020
    Location
    Houston
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    I've had no luck. Does anyone know if it's even possible or anyway I can modify the air fuel ratio on this?

  3. #3
    Tuner in Training
    Join Date
    May 2020
    Location
    Houston
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    attached is the latest tune.tune m.hpt
    1999 corvette frc ls1: 243 heads, ls6 intake, TB Bypass, SE Longtubes, TI mufflers, ZZP 7.375 Pushrods, ls7 Lifters, PAC 1218, Melling 10295, A+A Blower Cam.

    2007 Avalanche: Bone Stock!