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Thread: 03 Silverado P59 12579405 Manual Segment Swap

  1. #1
    Tuner in Training
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    03 Silverado P59 12579405 Manual Segment Swap

    really looking for a segment compatible os for this truck looked up every possible combination of vehicles in repo help please

  2. #2
    Tuning Addict 5FDP's Avatar
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    Couldn't find one either.

    But you don't have to have one. You can still disabled all the transmission related DTC's and all the abuse functions to make the motor run.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    Tuner in Training
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    Thanks alot man what are the side effects of doing it that way as opposed to a segment swap started my swap tonight heres some pics
    IMG_0051.jpg
    Attached Images Attached Images

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  7. #7
    Tuning Addict 5FDP's Avatar
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    For some not having it know if it's park or drive or in gear could be trouble some but you could work around that. Ideally you'll still want to wire in something to make the speedo work, can be very helpful sometimes.


    The last one I worked on, we swapped a TH350 behind a 5.3 in a rockcrawler. I just disabled everything I didn't need for the transmission and abuse tables and it works great.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  8. #8
    Tuner in Training
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    Thanks a lot man man, what would be the best way to simulate d/p ?