got new toy, feather duster!

got a fresh dose of WOW! new car, feather duster. been without A body a while, please refresh my memory:
Ma went to BB pattern in 73? went to 8 1/4 in 73? to change to 8 1/4, will need the driveshaft from that a body, will it slip into auto? anyone makin mags with SB pattern? what are 4 speed overdrive trans goin for here in Midwest ( Missouri)? and pedals and all hardware to change over? last time i did this was about 2002. thanks for refresher course!