I think you need first to be sure what it really is. Is the transmission a Hydra Matic or a Powerglide? If you're looking at a Chevy motor in a GMC it could be anything.


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...