Hey out there i need help on a rearend. i have a 56 buick special tour back sedan. i need a rear end at least 52" backin plate to backing plate. i had a disc rear that i liked but the calipers hit the frame. front or back of the axle. don't really want to cut in tho the frame kinda on a time limit to get done. oh yeah the car is on air bags too. any help would be great full.