What year is the 235, hope it's after 1954 for full pressure. 1955 and later you can get a kit to use 216 style water pump other wise later water pumps will hit the radiator. Must be some good rebuild shops up your way. Good luck

It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed