Ok I have ran in to a problem with t-56 tranny's. I am making to much power and I keep blowing them up in about 2 months. this is my second one. they were both bought for a gm dealer. Does anyone now if and were to get one at will handle 600+ rear wheel hp? if so were and how much? I have never missed or grinded a gear and when I shift it is like i am driving normal. thanx

 

Rockland Standard Gear - they have 750hp and 1000hp models available. The best pricing I know of, plus I've never heard of a qualilty problem.