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Type: Posts; User: 99k2500

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  1. would all stock files with a 4L80E trans be the...

    would all stock files with a 4L80E trans be the same numbers? That way I can copy and paste it over
  2. I have options to change values in 4wd low and...

    I have options to change values in 4wd low and high. I do not get any shifting in 4wd low.... Am I missing something? I don't think I have a 2wd trans tune, do I?
  3. 93096

    93096
  4. 0411 swapped 7.4L 4L80E 4WD Low Stuck In First

    Truck runs through the gears in 4WD high but not low. Stays in first. Another problem is it shifts in 2WD as I wish and then the TCC locks which is what I want. I let off throttle and it unlocks...
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    411 swap stock trans no lock up TCC

    92536
    92537

    First is the tune from pcmtuner.com which didn't lock up then. The tune had horrible slippage so the retune firmed up the...
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    I am new, I searched first

    Just wondering, real quick... Need a base tune for a 1999 chevy suburban k2500 7.4L I did the 0411 PCM swap and pcmpowertune.com hooked me up. It went well until things got fishy... It shifts...
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