Quote:
Originally Posted by MikeOD
I believe all 94-2002 MM6 T56's are rated at 450 ft*lbs, not 400...but yes you're right, people put more through them a lot. The only significant difference in 94-97 and 98-2002 F-Body T56's was the input shaft/front plate/bellhousing/slave cylinder change for 98...the 2 1993 T56's in the F-body were rated to lower torque because of first gear.
A LOT of the torque rating of the trans has to do with 1st gear. The "shorter" first gear is, the more it multiplies the torque that the main shaft see's, and the more it's able to break it...after that, the next culprit is the main shaft diameter...the strongest T56's have larger diameter output ends of the main shafts than the lower rated T56's...the strongest way to build one with OEM parts for example is an MM6 gear set from a 2006/2007 ZO6, and an SSR 32 spline main shaft. (takes some machining to cobble together)
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Thanks...that was explained very well.