New Chassis

Getting ready to start another project with my 1970 caddy coupe. I have some questions and need some information.
I am replacing the chassis, got a real nice one from Arizona as some of you known. My questions are:

should I take the windows out? plan on leaving the (2) doors on, concern about the front and rear windshields, I do have a car lift which I plan on slinging the body of the car with some long slings, the lift being above the body and cradling the body lifting the car off the chassis. with the front fenders, bumber, hood, radiator, and any other lines, ect, connected to the chassis. hoping to leave drive train intact as a rolling chassis. never done this before, although I did a 360 on my 67 cougar it is a uni body car. I'm sure i have left out some stuff. Thanks for any help. I will start a project thread to keep update on.

I guess I got it all cover.