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Thread: Shift issues after driving for a while.

  1. #1
    Potential Tuner
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    Mar 2018
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    Shift issues after driving for a while.

    Help with shift issues with my 6.0, 4L60 , swapped 73 international Scout. Everything works great and all the shift points are normal when I start driving, then after 10-30 miles, the shift points get real aggressive and it holds the gears for and extended period. It does not appear to be temp related, but maybe? I have done very little to the tune, from a 2500 6.0.
    I originally thought it may be due to the fact i went form a 60 to and 80, it is changed in the tune file. But it shifts just fine most of the time?

    Any info would be great, I think I attached the tune.

    Thanks!!!

  2. #2
    Advanced Tuner
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    Jan 2015
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    Quote Originally Posted by Studabob View Post
    I think I attached the tune.

    Thanks!!!
    no tune amigo..

  3. #3
    Potential Tuner
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    Mar 2018
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    ok got back on this project, still having the issues, paid a "Tuner" to fix it and he said i needed a segment swap so he set me up a tune and now the throttle will not work with his tune after it is put in gear. he blames the pcm, and wiring harness, and install, everything but his tune. trying to attach the tune now, but am having an issue attaching it? Help!!!!

  4. #4
    Potential Tuner
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    Mar 2018
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    the tune with the shift issues.

    i hope this works, here is the tune with the shift issues!!
    Attached Files Attached Files

  5. #5
    Tuning Addict 5FDP's Avatar
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    May 2012
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    So that's the tune with the throttle issues or without?

    What year was this 6.0 from and does it match the calibration in the file still?

    It says it's from a 2006 truck, is that right?

    A segment swap with a 4L60 file shouldn't make the throttle not work.
    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.