Mac, I have the same question. If you get an answer please let me know. I'm chopping my 53 and want 1 piece windows. I have a perfect set of 54 doors that I would like to use. I just bought a set of 48 doors but they aren't nearly as solid as the 54's. You can look in the 48 doors and see an extra window channel toward the front. It would be very difficult to install that in the 54 doors. Still looking for answers.

Ron


Ron Thompson
51 Chevy 1/2 ton
36 F@rd coupe
65 Riviera