1950 Chevy 3100. One piece glass windows. Driver door had cracked glass and window crank spines were smooth. Passenger glass wasn't cracked but it was separating.
Bought new glass, new driver regulator from Ecklers, got new rollers for passenger side too. Bought new window channels and cleaned up and painted window frames.
Installed new regulator and put new rollers on passenger side. Got new bolts too because clutch heads were worn out. Installed both windows and they roll up and down great. Very smooth but they both stop at the same spot just shy of fitting into top of channel.
I know you can get a small amount of adjustment and both are at the max and screws are tightened. If I detach the windows from the regulators I can easily push them up the rest of the way.
