FUEL EXHAUST CARBURETION CHEVROLET MODEL REFERENCE 1984 ROCHESTER 4 BC FOLLOW PROCEDURE OUTLINED BELOW TO DETERMINE CARBURETOR AND OR PART NUMBER 1 DETERMINE 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 SAME COLUMN NUMBER ON CHARTS VIN PRODUCTION DIV CODE USAGE GOL NO 17084201 12 F 305H W A T MD8 CLOSED LOOP 1 17084205 12 F 305G W M T MK6 2 17084209 12 F 305H W M T MK6 CLOSED LOOP 3 17084208 12 F 305G W A T MD8 4 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS 0HEvROLET 17F REV 6 88 CARB 4BBL ROCH 11 3 725 GROUP