Engine Number
Engine Production Code Number stamped on a pad just forward of right hand cylinder head. Number (example below) includes identification data as indicated. NOTE In addition to Engine Production Code Number, 327" and 409" engines will also have assembly plant designation (except Corvette - all built at St. Louis) and car sequence number part of car serial number stamped on engine number pad.
1 - Engine Plant. F Flint. T Tonawanda.
2 - Month of Manufacture: 12 December.
3 - Day of Manufacture. 10 Tenth.
4 - Code letters for engine displacement, transmission type, model application, and other equipment. See listing below.