Whos running over 700whp on an 8.75?

You aren't shitting, I just had to ship back the 800hp McLeod clutch since it was already slipping and upgrade it to the RXT1200 to be rated for 1200hp. After this and the 60 rear I know the T56 is gonna die and I'll have to put a Magnum in it, but hopefully this lasts me a year or two.
Have you looked into a clutch tamer?..
You do actually want just a tick of slippage.. you can adjust that slippage in the driver's compartment on the fly according to conditions of the day...