I'm sure someone knows the cut off date, but the older than 1990 motors I believe it was have the front lower motor mount holes. I am kind of looking around to replace my 283 and have been looking at older 350s and anything else.


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)