I had my diff reconditioned and was advised that the 3.36 was going to be too low with the supra box I was fitting it behind. The shop recommended I went 3.08 ratio for added strength as the 3.36 teeth are thinner. Not sure if I was taken for by the sounds of it or if it's good advice. I guess the good news is I've got a set of 3.36 gears in a box somewhere if you decide that's the path you take and need a set