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Thread: Idles fine but bog under acceleration and dies

  1. #1
    Potential Tuner
    Join Date
    Oct 2016
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    5

    Idles fine but bog under acceleration and dies

    Getting my ls swap finished up but having some issues
    idles and turns on fine but bogs bad under acceleration and if i hold gas peddle down long enough it dies.
    6.0 holley high ram full bolt on 42lb injectors with th400 trans
    i have changed the injector flow rate
    foxbody ls swap 1.hpl

  2. #2
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
    Location
    Rogers, MN
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    13,533
    Did you change all the other injector data?

    Did you fail the MAF sensor in that tune file?
    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
    Potential Tuner
    Join Date
    Oct 2016
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    5
    I have not

  4. #4
    Tuner
    Join Date
    Nov 2021
    Location
    Colorado
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    53
    Did you check for vac leaks? Simple stuff can sometimes be the cause of huge headaches