I have a 283 engine that I think is a 1962 corvette engine. the drivers side of the rear block reads 3789935 the passenger side reads E42. the serial number is F0508MA. Any info would help, everybody has a corvette engine not a regular car engine of course.

1961 ford f500
1953 3100 five window (https://www.facebook.com/1953-Chevrolet-5-window-1533405913413610/)
1955-2 3200 big window (https://www.facebook.com/Leep3200/)
55yrs as a mechanic and retired. (kind of)