There is no such animal as a "1967 235". The last production on that engine was in 1962, I believe. 63-up engines would be 194, 230, 250, or 292 cubic inches, and they share no common parts with 235's. While an engine in that series could be adapted to your vehicle, it would require an entire driveline change: transmission, driveshaft, and possibly rear end as well as the engine, and the fabrication of motor mounts and other modifications.
A 1954-62 235 wouldn't be a bolt-in swap, but it would be much simpler, as your existing bellhousing, transmission and rear axle could be used. It would probably require a relocation of the water pump if a late 55 to 62 engine was installed. A kit is available to do that, as it places the fan in the correct location to work with the radiator on the pre-1955 vehicles.
Jerry
