If you replaced the glass on your windows they may have cut the glass to short. I just checked the glass on my 62 and it is about a 1/8 below the anti rattle pieces. The windows are orginial windows. The glass if orginial should have the PPG. lable on the glass.
62 Blue
Don

62Blue
62Chevy in progress
You've never been lost until you've been lost at Mach3" Paul F Crichmore (Test Pilot)