B body four speed in an A body

Whats the difference between a b body four speed and an a body four speed? I believe the imput shaft is a different length, but what else. How hard would it be to use one of these in an a body?

How hard would it be to use one of these in an a body?

This should tell you everything you want to know! Lots of good stuff in the Tech Archives...

http://www.bigblockdart.com/techpages/abconv.shtml

Good Luck,

Jay