I happened to pick up a 1979 camaro Z28 "clone" the other day for a parts car. I have been unable to decipher the rear axle stamped code on the front of the passenger side axle tube with the references on this site. 2PT G013 or a C013 Can anyone help me out? I havent pulled the rearend out of it to get the numbers off the diff and there is no Diff tag The car has been pieced together from a variety of different models, body tag doesn't match the cars original paint or Z28 claim, has a very unique variety of colors and styles of interior, and the list goes on and on. But hey, Parts are parts right? all usable once you find the application.