I hear your "Concern" in your post about my 8.75.. but there are plenty of guys running in the 9's on them and with me already having it I don't feel the need to change it until it's broke. This car will be 70-80% a street car anyways.. doubt I brake a 8,75 from light to light lol
It,s the hard street gears that will break first or the sure-grip.With over 700hp your gauranteed to twist axels also.Been there done that.go Dana60 with the bigger 35 spline axels and sell the 8 3/4 while still worth $$.JMO
Guys running 9,s with these 8 3/4 have had all the internals replaced with billet stuff I,m sure.