b body tranny in a a body?

well i hope its not a low gear. a friend of mine has it down the road and he called me when he got it in. its an aluminum body and i think a 4 O/D. wants me to do some body work on his 32 chebby for it. abodyjoe i havent for got about the front end we talked about lol lol. just got a bit side tracked.