I'm glad it wasn't worse, preloading the drivetrain helps alot however people need to know that the G is much heavier than the Z. I broke my CV in 2nd gear @ the track right when I hit the n2o, then again it was 749whp
funny thing is that I swaped my dif before ck the CV

 

I dont think it was shock to the drivetrain I slipped the clutch from about 2500rpm and I was out about 60-80ft when it let go. But whatever I am glad its only minor and cheaper than a rear diff replacement. Thanks for your imput Carlitos I was just going to buy a used complete pumpkin so it was here when I had time too look at it/swap it out. After your thoughts I jacked the car up and got a better look before throwing away a bunch of $$$. Thanks again.