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Thread: Help with shift mph on 1-2 with over 600 hp? C7 Z06 A8

  1. #1
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    Help with shift mph on 1-2 with over 600 hp? C7 Z06 A8

    2017 C7 Z06 with A8 tranny. I hit the rpm limiter at the track on the 1-2 shift with stock mph setting. How much should I lower to avoid this problem? No way to test on the street without traction.

    Here's my stock table:
    Attached Images Attached Images

  2. #2
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    Nobody has an 8 speed tranny with 600+ hp?

  3. #3
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    I'd lower it 5 mph and go from there.

  4. #4
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    Quote Originally Posted by DougO View Post
    I'd lower it 5 mph and go from there.
    I'll give that a try. Thanks!