Watch racers, hillclimbers or sprinters get ready. Many cars that are driven to events have the screen removed and put back at the end for the drive home.
Not something I can advise on, despite having done it many times for events - you just get used to whipping it off!
I would caution though, the body mount on a 1972 car is plated brass and although the bolts need to be firm - do not over tighten and strip threads. I had to remake one of my bolt holes. Helicoiling would be the preferred method, but I had access to a well equipped workshop so did it a different way.
