Goog advice unless you are looking at a disguised engine such as mine with a 216 style rocker cover on a 235 and a 216 type water pump installed with and adapter plate. Also some 235 babbit engines used a short lifter cover(forgot which years). I like to go with casting #'s.


Grant
1950 Chevy 3100
1952 GMC 150 (In Pieces)
1968 Chevy K20
1966 Shovelhead
1978 BMW 100S