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Thread: Wierd shifts after cam and TB swap

  1. #1

    Wierd shifts after cam and TB swap

    I just recently installed a BTR stage 3 cam and LS2 90mm TB to my 2013 ZL1. I have it idling fine but when I drove it for a test drive all three lights for the stabilitrac are one in the Tach and it's short shifting. Also it doesn't appear to be down shifting with more throttle at low speed. I'm not sure if the TB caused this or not. Any help will be greatly appreciated.

  2. #2
    Tuning Addict 5FDP's Avatar
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    May 2012
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    Rogers, MN
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    13,533
    Go back to your stock throttle body and see if the lights go away. If they do, then you likely found your issue.

    I woulda just kept the stock throttle body.
    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.