Went to the dragstrip today. (protip: don't go to the dragstrip.)
#15
Maybe you'll luck up and something didn't break. Maybe your broke the R&P and cracked the case, but your torsen survived, or something like that. I have a few questions for you about that rear end so maybe others can learn. Did you install the torsen in it? What backlash and preload were your running? This isn't what I want to see as I want to weld my rear end...
#18
+1, that's what I'm doing. Something has to fail for the diff to go. Usually one thing fails, like the ring or pinion, then that blows up, gets in torsen, breaks it, then binds up and cracks the case. Key is figuring out what breaks first. If I weld my diff, it will never break. R&P is known to be the weak link, so setting that up on the tight end of spec or tighter will save it. FWIW, minimum backlash for a 1.8 diff is .0039. I'll be doing mine .0030 or so.