FUEL EXHIAUST T CARBURETION CHIEVROLET MODEL REFERENCE 1982 ROCHESTER 2 BC FOLLOW PROCEDURE OUTLINED BELOW TO DETERMINE CARBURETOR AND OR PART NUMBER 1 DETERMINE VEHICLE MODEL CHECK VIN DIVISIONAL CODE 2 DETERMINE ENGINE AND OARBURETOR TYPE 3 PART NUMBER CAN BE DETERMINED BY CROSS REFERENCING CORRESPONDING COLUMN NUMBER WITH SAME COLUMN NUMBER ON CHARTS VIN PRODUCTION DIV CODE USAGE COL NO 17082390 12 F 2 8 W A T CLOSED LOOP EXC A C 1 17082490 12 F 2 8 W A T A C CLOSED LOOP 2 17082391 12 F 2 8 W M T FED EXC A C 3 17082491 12 F 2 8 W M T A C FED 4 j 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17F i FIEV 6 88 CARB ZZBBL ROCH 5 3 725 GROUP