Originally Posted by polyspheric
Remember the '63 8-3/4" has tapered axles and drums, many are seized in place.
iagree
But all things are fixable, some Mouse Milk , heat and the proper puller will remove both sides hammer wrench
The left side, drivers side, is usually stuck worse than the passenger side so do the easy side first and then do the hard one last wrench hammer weld
Good luck up, My 1963 Fury will get a rear end change due to that issue wrench

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)