I'm working on the AMT Payhauler 350. The dump bed is badly warped. I've attached most of the bracing to it, holding it in the proper shape while doing so. I had hoped the bracing might correct the warp. No such luck.
Is there any way to permanently correct the warp? I've heard about using hot water, but I have no idea about temperature or duration. Any advice would be greatly appreciated.
I'm adding some photos to show my problem. Originally, the bed floor was humped up. By clamping the floor flat as I added the bottom braces, I was able to pretty much fix that problem, although those bottom braces are still under some stress. The result of flattening the bottom was to pull the sides in, as you can see in the photos. The side braces did not correct that problem. The side braces are not 100% glued, and with clamping and gluing might help to straighten the sides, but those braces would also be under some stress. I am hoping to remove that stress.