1952
ENGINE NUMBER is located on the right side of the block to the rear of the distributor. Engine numbers start at 1001.
Passenger Cars KAA KAMPassenger Car w/216ci Engine
Trucks KAA KAMSeries 1500, 216ci Passenger EngineKAC KAPSeries 1500, 216ci Passenger Car Engine w/HD ClutchKBA KBMSeries 3100, 216ci Truck EngineBKCA BKCMSeries 3100, 216ci Truck Engine w/HD ClutchAKCA AKCMSeries 3600 & 3800, 216ci Truck EngineAKCD AKCQSeries 3600 & 3800, 216 Truck Engine w/Hydrovac Brake UnitKAD KDA KEA or KEM
???? Prefixes ending in - AA AC BA CA CD were manufactured in Flint, Michigan Prefixes ending in - AM AP BM CM CQ were manufactured in Tonawanda, New York
Good luck, Neil
Source-
http://chevy.oldcarmanualproject.com/models/engine.htm#52eng 1941 1957 Chevrolet Engine Identification