I agree the 454 will bolt in, but my experience with big blocks is they make lots of heat. I'd look for a bigger radiator like they used in big block trucks.

And if you stay the the TH 350 either drive real nice or carry a spare.


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...