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Thread: Critique my tune heads cam L99

  1. #1
    Potential Tuner
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    Critique my tune heads cam L99

    My personal car heads cam FBO L99 made 477whp 454Tq I'm pretty new to this anyone see anything that needs improvement?


    WOOOOOOPRECRACK.hpt

  2. #2
    Tuning Addict 5FDP's Avatar
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    Pretty darn fat for just a heads/cam car, a leaner WOT fuel mixture should pick up more power.

    A log file of how it's running could tell if other things need work still.


    I don't have a stock file to compare with and just looking at the change log, have you done any changes the VVE and MAF curve for the change in heads/cam?

    If not, this tune needs a ton of 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.

  3. #3
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    Thanks for the input! Yes maf and vve have been changed.

  4. #4
    Senior Tuner SultanHassanMasTuning's Avatar
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    VVE looks to be stock
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