It's almost a bolt-in, just some possible issues with front motor mount adapting and an the position and length of the water pump. Both concerns are solved pretty easily. A post-1954 235 has a different, and "better" in the opinion of some people oiling system for the connecting rods, also slightly more horsepower than the 216.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!