a body rear end ? 8 3/4 vs dana 60

I'd believe this. My dana weighs the same as a stock 8.75.
interesting wheel offset. My dana 60 has disc brakes, and am running a real 3/4" offset on the rear springs, and my mine take a 3 1/2" offset to be perfect. I am running a 4'' offset w/ a .497 spacer to make it right , as of now.