Compensating for GM crowned bed
I didn't discover this anomaly until about a year in when I noticed denting occurring in the front of the bed and on the camper where it meets the end of the bed. A result from the rocking motion from...
Forum Discussion
My 2016 GMC long box is 7/16" drop at tailgate when straight edge is run from front of the box.
I need lift for my camper and use two 4'x8' 3/4" sheets of plywood. I shim those with a 1/2" x12" plywood piece across width of box at tailgate.
I need lift for my camper and use two 4'x8' 3/4" sheets of plywood. I shim those with a 1/2" x12" plywood piece across width of box at tailgate.
