Ok, I am really frustrated here. When I bought my '52, the door glass was cracked on both sides. I had a local shop cut the glass for me and I installed it. Less than 2 weeks later, the passenger side cracked again. I had it cut once again. Today the driver side cracked. I rolled the window down, cruised around a good bit today running errands, and it was cracked when I rolled it back up. I am not slamming the doors hard or anything, and the glass company assures me that they are using the correct glass for the application... I do need new run channels and seals, but I'm on a tight (read: zero) budget and did not replace them. The original channels are in bad shape, but they are all there and the glass does not flop around. Any ideas??