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Thread: Need help on LS7 swap (Log file attached)

  1. #1
    Potential Tuner
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    Feb 2017
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    Need help on LS7 swap (Log file attached)

    We have a 2014 Camaro LS7 with a cam that was tuned and running and driving in the donor vehicle that we swapped into a C10 with the same ECM and a stand alone harness. The only changes we made are headers and a 4 inch intake tube. The engine starts and runs great normal and even sporty driving and the fuel trims are great. The issue is when we go WOT it will pull then just fall on its face like you killed the ignition. If you hold the pedal down it will come back once the RPM drops.

    We logged it and see some weird stuff with the O2 readings but do not know enough to determine what the issue is. Looking for someone much smarter to take a quick look and see if anything jumps out.coleman 1.hpl
    Last edited by fastfinch; 09-29-2022 at 09:13 AM. Reason: added wrong file

  2. #2
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    Feb 2017
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    Found the issue and leaving this up for educational purposes. We left the VSS input off as we used a stand alone Bowler trans harness to get the Speedo output and the wheel speed RPM limit was at 4000 rpm for 0 speed.