Most any GM manual used behind a straight six or a V-8 from '55 on should be workable, some with more work than others.

If you want a 3-speed I'd look for one of the later ones that has syncros in all three gears.

1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble...