PONTIAC Pm MODEL REFERENCE 1980 ROCHESTER 4BC Follow procedure outlined below to determine carburetor and or part number 1 Detenmine vehicle model check VIN DIVISION CODE 2 Deterlmine engine and cerburetor type 3 Part nurnber can be determined by cross referencing corresponding column number with same column number on charts Note 1 Used with EV Engine Note 2 Used with MC Engine Note 3 Used with AA AJ AR Engine Note 4 Used with AT AW AY Engine Note 5 Used with 307 and AB AK AS En gine Note 6 Used with 307 and AU AX AZ Engine Note 7 Used with 307 and ANI AN Engin e Note 8 Used with 307 and BA BB Engine VIN PRODUCTION DIV C C DIEi USAGE COL NO 17080504 2 A B G 305H 1 17080249 2 B 350X w A C 2 17080272 2 4 A EL F G 301Vl w A C Exc Perf W72 3 17080274 12 F 4 9T 4 17080553 2 3 B 350R w Calif 5 17080270 2 A F G 301W w Perf Opt W72 6 17080517 2 A EI G 305H 7 17080517 2 F 305H w A T A C 7 wav GENERAL morons saenvtcs PARTS OPERATIONS PONTIAO 21 REV 7 87 3 187 C 3 OOO GROUP