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Thread: surge camshaft

  1. #1
    Potential Tuner
    Join Date
    Jan 2021
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    7

    surge camshaft

    I am 17 years old Programming beginner I have tahoe z71 2011 gen4 227/243, 614/624,113 LSA camshaft .

    what reasons cam surge?

  2. #2
    Tuner
    Join Date
    Mar 2022
    Location
    Olathe Ks
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    86
    Because your cam is huge for an suv and lobe sep is 113

  3. #3
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
    Location
    Rogers, MN
    Posts
    13,533
    Yeah, holy camshaft size for a big SUV. I hope it's got a 3,600rpm stall converter, otherwise it's going to suck to drive around.

    But the surge is because of many factors. Fueling, spark timing, airflow settings.
    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.

  4. #4
    Potential Tuner
    Join Date
    Jan 2021
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    7
    3600 stall is so high it affects fuel economy and daily use.
    your opinion 2500 stall and 3.42 diff ratio are good?