CHEVROLET MODEL REFERENCE 1981 ROCHESTER 4BC EXPORT 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 COL NO 17081282 1 5 7 A35 80 B 305H Exc A C w NM6 Export Canada 1 17081283 1 5 7 A35 80 B 305H w A C NM6 Export Canada 2 17081284 12 7 F 305H w A T M33 Exc A C Nl I6 Export Canada 3 17081285 12 7 F 305H w A T M33 A C NM6 Export Canada 4 VIN PRODUCTION DIV CODE USAGE COL NO 17080202 1 F 350L w A T Exc A C NM4 For breakdown see Export Canada 1980 chart pg 3 236C col 1 17080204 1 F 350L w A T A C NM4 For breakdown see Export Canada 1980 chart pg 3 236C col 2 17080207 1 F 35OL w M T NM4 For breakdown see Export Canada 1980 chart pg 3 236C col 3 WAREHOUS NG AND DISTRIBUTION Division or GENERAL MOTORS c0RP0nATi0N cHEvn0LET 101 REV 5 81 3 277 c 3 000 GROUP