Drive train swapping from an A body to a B body

PScamp74 said
I have a general question for y'all; I have scored a 73 Charger SE and was hoping to see how much trouble it would be to swap over any of the drive train into my 74 Scamp? How much of it can I use is what I'm asking I suppose....Or, would I be better off building the Charger too?

This is all I know of it just now, gonna be a couple days before I go get it.