Quote:
Originally Posted by gsx_martin
Thanks.
I had read that there is a 216 installed in the 1952 GMC 253-22. But it seems to be wrong.
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47-5? GMC got 228, 248 or 270 cubic inch engines, never got a 216.
dwcsr is right, the first three numbers tell you the engine displacement of a GMC motor, the leading letter is the main bearing clearance corresponding to a list.
your engine number to me indicates its the original engine, replacement GMC 228 are usually zero'd or X'd out or just plain blank past the displacement.