Register an account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members.
Okay, here are the results from my 75 and 78. The 75 had an 1 1/2" block in the rear and the 78 doesn't.
75 78
LR 3 1/2" 1 1/2"
RR 3 1/2" 1 1/2"
FR ~5 1/2" ~5 3/4"
FL (missing stop) ~5"