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Thread: any1 happen to have a 99 5.3 /3.42 sierra/silverado stock file by chance?

  1. 07-31-2018 #1
    chevypower101
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    any1 happen to have a 99 5.3 /3.42 sierra/silverado stock file by chance?

    please n thank you
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  2. 07-31-2018 #2
    Mouth
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    You can sign on to HP Tuner site and get that
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  3. 08-03-2018 #3
    chevypower101
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    I looked up all files in the repos all of them are 3.73 and 4.10 rear gears
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  4. 08-27-2018 #4
    KFXGUY
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    I do. I’ll see when I get home. I’m not sure if it’s 100% stock tho. I think when I got it, the tq management was turned off and the timing bumped up. Other than that it’s stock. You want it?
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