CHEVROLET MODEL REFERENCE 1982 88 ROCHESTER 4 BC Follow procedure outlined below to determine carburetor and or part number 1 0eterm1ne vehicle model check VIN DIVISIONAL CODE 2 Determine engine and carburetor type 3 Part number can be determined by cross referencing corresponding column number with the same column number on charts VIN YEAR PRODUCTION DIV CODE USAGE COL N0 1982 17082216 1 8 350 w Closed Loop NB1 Exc A C 1 1982 17082218 1 B 350 w A C Closed Loop NB1 2 1982 83 17082296 1 7 8L 350 w NM6 Export Canada Exc A C 3 1982 83 17082297 1 7 BL 350 w A C NM6 Export Canada 4 1983 17083218 1 BL 350 w Closed Loop NB1 5 1984 17084210 1 B 350 w Closed Loop NB1 6 1984 17084296 1 7 B 350 w NM6 Export Cenada Exc A C 7 1984 17084297 1 7 B 350 w NM6 Export Canada A C 8 1985 17085218 1 B 350 w Fed NA5 9 1985 17085596 1 7 B 350 Export Canada Exc A C 10 1985 17085598 1 7 B 350 Export Canada A C 11 1986 17086006 1 B 350 w Fed NA5 12 1986 17086596 1 7 B 350 Expcrt Canada Exc A C 13 1986 17086598 1 7 B 350 Export Cenada w A C 14 1987 17087125 1 7 B 350 w NM5 Export Canada Exc A C 15 1987 17087126 1 7 B 350 w NM5 Export Canada A C 16 1987 88 17087132 1 B 350 w Fed NAS 17 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17W 6 91 3 13