The castings in a GM rear end will be located on the passenger side of the front of the differential where the driveshaft/torque tube goes into the rearend.
SWEET Sergeant At Arms: Old Dominion Stovebolt Society BUNS?!?!?!Where we're going, we don't need no buns..... 1950 GMC 450 1951 Chevy 1/2-Ton The GreenMachine In the Stovebolt Gallery