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Thread: KR issue on turbo 5.3

  1. #1
    Tuner in Training
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    KR issue on turbo 5.3

    truck is 5.3/80e cam/turbo.

    Having issue with KR. not sure if its fake or not. i can not hear any knock. keeps kicking my timing to about 5 deg under throttle...

    its at the point where it feels slower. any help or feedback is greatly appreciated!

    also if y'll see anything and want to point it out to improve the tune, please feel free..

    TIA. i have posted my log and tune here.
    Attached Files Attached Files

  2. #2
    Tuning Addict 5FDP's Avatar
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    Pull the codes on the computer, if you have a pending or current knock sensor code that is why it's pulling the maximum allowed timing in the calibration, which is 8 degrees.
    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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    woah ok, did not know that. I will check it tomorrow.

    Thanks!