CHEVROLET MODEL REFERENCE l 1981 HOLLEY 2 BC Follow procedure outlined below to determine carburetor and or part number l 1 Determine vehicle model check VIN D VISlONAL CODE 2 Determine engine and carburetor type 3 Part number can be determined by cross referencing corresponding column number with same column E number on charts 3 VIN PRODUCTION DIV CODE USAGE COL N0 14023768 1 T 1 6 9 w A T A c Fed NN1 P s N41 1 14023770 1 T 1 6 9 w1A T A c Fed NN3 Exc N41 2 14023771 1 T 1 6 9 w1M T Fed NN3 A C 3 l l 1 l l l l l l 1 1 t eM mars mvnsnow csusnm morons CORPORAT ON CHEVROLET 10 REV 9 80 241 c 3 000 GROUP