i suspect that the three holes you're seeing in each side of the block will identify this 235 as a 1954. If that is the case, then 1952-54 Chevrolet motor mounts might work if you can attach them to your frame, and if the mounts and oil pan will clear the suspension and accessories. The labor will be significant. Motor mounts are only the beginning of the misery.
It is surely an interesting project. With a good 235 you won't lose much power, if any, from a stock 194, 230, or 250. The finished product will likely dumbfound almost everyone who looks at it. "Why did he do that?" We hear it all the time from people who think that only v-things make power. The answer is, "Because he wanted to do it." Who among us can argue with that?
God's Peace to you.
d
