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4L60E built by me with rear 5 pinion planetary, Alto A-pack clutches, kevlar band, new input drum, HD-2 Transgo shift kit, Circle D 3200 stall converter, modified tailshaft to accept both electronic and mechanical speedo, should take 600HP
Bought a T-56 to replace the lame 700r4. Totally worth it!
Rebuilt Muncie M17 4-speed manula transmission