Quote:
Originally Posted by DangerZL1
The more I drive my ZL1, the more I believe that the 6L90 starts in 2nd gear when in M. It's a completely different car at launch when you paddle it down to 1st. This may be contributing to the slower times, since it's not obvious the trans is starting in 2nd from the lack of an indicator on the dash. One way around this would be to paddle shift down to 1, launch the car, shift to D and back to M to take advantage of the higher shift points. When I go to the track I'm going to use this procedure. I wish someone would datalog the car at the track and confirm the 1st or 2nd gear starts in M.
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Or get a tune to eliminate the ridiculous way GM set this tranny up.