Mike, I took my door glass to a local shop to have them put the mounting rail on. But I did the vent windows myself. Those I did by carefully tapping on the channel. I think you could do the same thing on your main windows. The Service Manual says to use a little 10W oil on the glass/setting tape interface so it slips in easier. Stand the window on a padded table and tap the rail in place with a soft hammer. Glass is surprisingly strong as long as you don't hit it with a sharp object.

On the driver's side, if the glass is tight in the rail, I'd just use it as-is.

I'll move your post over to Doors where it'll be more on-topic.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.