You may be on the right track with the 55 to 62 unit. That 4 speed is a floor shift and would be my choice for an easy swap and should be inexpensive. There is an overdrive T-5 unit that is very popular now. You should read all the threads and tip on this site and over at inliners.org re the T-5.


It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed