Did you check the engine serial number/code to confirm it's really a 216? How about the head, is it correct for '51? The 261 was painted yellow around 1956 or 57...
Mike B
Mike Boteler
1956 Chevy 3100 Resto Rod 1952 Willys M38 Army Jeep 1983 Jeep CJ7 Laredo 1984 Jeep CJ7 +++++ Silver Spring, MD