I guess what ever works I am running 1008's with 12.8-1 with studs torqued to 100 lbs no retorque and no problems so far and I have been running the snot out of it.

70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4