Looking to buy/build 500-600 fwhp 360

Nat said
what dif you have 8 3/4 or a Dana ? 83/4 with 500 hp and torque with sticky tires , looking for trouble , I broke 2 83/4 with an automatic am looking for A dana , 83/4 are good to a point

It is an 8 3/4, I'll have more than 500 hp so we will see how it goes. It is a posi.