I may be mistaken, but wasn't the SM-318 a Muncie "crash box" non syncro floor shift transmission, used before the Muncie-420? I thought the 3-speed column shifts were Borg Warner brand.

Last edited by Green_98; 07/09/2020 12:38 AM.
-Patrick
1953 Chevrolet 3100
261 / 4-speed / 4:11 / Commercial Red