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Type: Posts; User: 07 GXP

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  1. Replies
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    P0036 code on 07 Grand Prix GXP 5.3L

    I have taken out the stock down pipe and installed a 3" down pipe with no cat or rear O2. The car keeps throwing a P0036 code for the rear O2, When I go in to find the code to turn it off there is no...
  2. Thread: 4T65E tables

    by 07 GXP
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    1,289

    4T65E tables

    Does anybody have some shift tables I can use on my tranny? Just line pressures and shift points, things like that. Nothing to hard I'm not racing it just want better response and firmer shift. Thanks
  3. Thread: Shift points

    by 07 GXP
    Replies
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    1,412

    Shift points

    Does anybody have any charts to change the shift points and line pressures for a 4t65e tranny?
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