I've tried 2 windshield gaskets, the first one was from LMC and it was bigger than the windshield. When I try to put it on, it falls off before I get to the other side. I ordered one from Chevy Duty and the tech told me it was molded and would fit. when I got it, it was in the same wrapper, from the same plant in Thailand,; it didn't fit any better. I know they used to fit, because I restored a 65 C-80 15 years ago and didn't have problems. Does anybody make one that still fits?