after the body shop reinstalled the rear bumper, i noticed it lower on one side, what are the bolts i should loosen to adjust the height and then retighten?? its a 66.. thanks

http://www.66chevelle.com

Nice web site and :cool: 66....ya got there :D
As for the Bumper adjustments.. there are Two bolts on each side of the rear frame..
By backing off on them just enough to "MOVE" the affected side up or down in or out..

GL