Steve Baur
Former Editor, Modified Mustangs & Fords
December 1, 2008
Photos By: Larry Ward
The torque arm bolts were then tightened up.

How To Determine Which MM Torque-Arm Is Best Suited For Your Application
1. Find your car's differential gear ratio in the Engine Torque Table.
2. On the same row as the gear ratio listing are the ratings for the maximum engine torque, and the maximum rear wheel torque, for the Standard Torque-arm.
3. If your car exceeds these ratings, then look at the next column for the maximum torque ratings for the Heavy Duty Torque-arm.

Engine Torque Table
 Standard TAHeavy Duty TA
Differential
Ratio
Max.
Engine Dyno
TRQ (LB-FT)
Max.
Dyno-Jet
TRQ (LB-FT)
Max.
Engine Dyno
TRQ (LB-FT)
Max.
Dyno-Jet
TRQ (LB-FT)
4.56:1{{{300}}}246475390
4.30:1330271510418
4.10:1355291550451
3.73:1400328620508
3.55:1425349660541
3.27:1475390725595
3.08:1515422790648
2.73:1590484{{{900}}}738