Tearing into the motor and I noticed even though this came from a 1959 bus the engine is older, based on block casting numbers 52-54. Also, the head casting number, 2188477, doesn't match any of the casting numbers on the oldgmctrucks forum. Seems this engine has a story to tell.
Last edited by Comediann; 10/16/2020 12:29 AM.
