QUOTE (ESPCamaro @ Sep 13 2018, 11:43 PM)
What is an M29?
The mustang runs without a backseat because of an update/backdate allowance
The M29 was a T56 that had gearing that was "shorter" (similar to the C5 Z06 instead of the standard T56, but I believe it was slightly different gearing). It has a lower torque rating, but more "gear".
1993 Camaro/Firebird w/2.73 final drive "M28" 350ft lbs 3.36:1 2.07:1 1.35:1 1.00:1 0.80:1 0.62:1 reverse 3.28:1
1993 Camaro/Firebird w/3.23 final drive "M29" 400ft lbs 2.97:1 2.07:1 1.43:1 1.00:1 0.80:1 0.62:1 reverse 3.28:1
1998 Camaro/Firebird 450ft lbs 2.66:1 1.78:1 1.30:1 1.00:1 0.74:1 0.50:1 reverse 2.90:1
More info here:
https://en.wikipedia.org/wiki/Borg-Warner_T-56_transmission