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Thread: Need help with tuning turbo Silverado 4.8 stage 4 cam

  1. #1
    Potential Tuner
    Join Date
    May 2023
    Posts
    1

    Unhappy Need help with tuning turbo Silverado 4.8 stage 4 cam

    I?d appreciate any help been at it for a few days now and reached the point of being in over my head and can?t figure any of it out.

    2005 Silverado rcsb 4.8 dbw 92mm intake 1000cc fic injectors 450lph pump stage 4 btr NA cam 70mm turbo 4 bar map sensor aem wide band, 4l80 swap with 3500 stall does anyone have a tune that can get me close for a base so I can see what changes how it changes and then maybe I can understand it from there I?m new to all this and it?s definitely a learning curve

  2. #2
    For starters, it would help if you loaded your tune and log.

    What issues are you having?

  3. #3
    Advanced Tuner
    Join Date
    Jan 2015
    Location
    Arizona
    Posts
    406
    Quote Originally Posted by jjjooe30 View Post
    I?d appreciate any help
    do yourself a favor, have it towed to a dyno and let them tune it on the dyno.
    then, when you get it back, learn how to do a street tune and dial n the stuff they didnt for runability and drivebility.
    That way, you dont burn holes in your pistons, it will run and drive, and you can have some fun with it while youre learning how to set cruise and idle AFRs etc..

  4. #4
    Senior Tuner
    Join Date
    Nov 2017
    Posts
    1,407
    No way I would try to tune a big cam/large injector/turbo as my first tune. Just asking to tear something up.