At what point to go Dana 60 ??????

im running a 500 hp 360,4speed with 6.14 gears and have never had problems with my 8 3/4. with slicks at the track or pro street tires,had my car for 32 years

Try upping that to 750ish h.p. w/14-16" slicks in a 3600 pound car and see how long it will last !