Reference Details
- Common issue
- Four-speed or Dana ratio claims without Track Pak/Super Performance axle documentation.
- Confidence
- documented
- Correct value
- TorqueFlite standard; four-speed GTX 440 path tied to Track Pak with Dana Sure-Grip evidence.
- Where to check
- Fender tag, broadcast sheet, transmission stampings, axle housing/tag, and package-code evidence.