Got a new bumper for my 71 delta that came from a 72 delta, the bumper is the same but the old bracket holes dont match up to the bumper mounts on my 72 bumper, so my guess is that i need the brackets from a 72, if anybody knows of this issue or has a set of rear brackets from a 72 i will buy them.....tks....the photo shows how far off the new rear bumper is out of place installed, hopefully different brackets will solve this problem