I have a old/pont 9.3 complete rear with posi

It is 61 inches wide and was setup in my model a with buggy spring and radius rod.All is chrome expect the third member. I had it in that car with extra wide fenders. I suspect one tube is warped from welding,but I have owned this car since 1998 and my friend had is for at least 7 years before that never had a problem.My guess is 3.00 gears,my 283 and turbo 350 pulled it to 14 in the 1/4 When I up graded it I boxed the frame,put a aluminum 427 sbc and a 4 spd.