C422 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 14023768 12 T 1 6 9 w A T NN1 Exc A C 1 14023770 12 T 1 6 9 w A T A C NN3 2 14023771 12 T 1 6 9 w M T NN3 A C 3 14023777 1 TJ 1 6 9 w M T Fed NN3 Exc A C 4 14023769 1 TJ 1 6 9 w NLT Calif NN3 Exc A C 5 14023769 1 TB 1 6 9 w IV T NN3 Fed Calif Exc A C 5 WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 10 REV 5 81 3 241 c 3 000 GROUP