Engine Code

Six cylinder engine codes are located on top surface of engine block, behind the oil filler pipe. Eight cylinder engine codes are located on front of right hand cylinder bank.

Fig 1: 1966-69 PONTIAC 6 CYLINDER ENGINES CODE LOCATION

Courtesy of GENERAL MOTORS COMPANY

Fig 2: 1966-72 V8 ENGINES CODE LOCATION

Courtesy of GENERAL MOTORS COMPANY