Just a thought, but with the babbit bearing bottom end I'd be a little concerned about a big increase in combustion pressure. My first thought would be to build based on a GMC or an insert 235 rather than start with the old tech bearings.
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...
