Auburn type units are garbage, but you know that .

A true trac COULD hold up to that power but you need to disassemble it when you get it and make sure it's put together properly, the one I put in a friends 8.8 was not and ate itself up in less than 15k miles with maybe 100 passes.

He ended up going with a Yukon Grizzly locker that I changed the springs to lighter ones to make it more street friendly. The last time I was in it you could barely hear it making the clicking that it does when going around a corner.

He isn't making the HP you are, '12 V6 mustang with a 50HP shot that runs in a 12.50 index class with slicks and a manual trans.