B111 BUICK MODEL REFERENCE 1978 ROCHESTER 2BC Follow procedure outlined below to determine carburetor and or part number 1 Determine vehicle model check VIN DIVISION 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 17058180 4 A 196 w A T 22 17058185 4 All exc B 231A w A T Fed 2nd Design 23 17058185 4 B exc A C 231A w A T Fed 2nd Design 23 17058112 4 A 305U w A T Fed exc A C 2 17058114 4 A 305U w A T A C Fed 3 I 17058188 4 A 196 w A T 1st Design 21 17058412 4 A 305U w A T Calif exc A C 8 17058414 4 A 305U w A T A C Calif 9 17058126 4 A G 305U w A T Alt exc A C 12 17058128 4 A G 305U w A T A C Alt 13 17058448 4 A G 231A w A T Calif 16 17058143 4 All 196 w l l T 4 17058145 4 All 231A w N T Fed 1st Design 15 17058147 4 All 231A w A T Alt 14 17058160 4 All 301Y 1 17058192 4 All 231G 5 17058408 4 B 305U exc A C 6 17058410 4 B 305U w A C 7 17058444 4 B 231 w Calif EK Eng exc A C 19 17058446 4 B 231A w A C Calif 18 17058187 4 B 231A w A C Fed 1st Design I 24 17058197 4 B 231A w A C Fed 2nd Design 29 17058189 4 B 231A w Fed exc A C Ist Design 25 17058444 4 F X 231A w A T Calif 19 17058189 4 F X 231A w A T Fed Ist Design 25 17058141 4 H 231A w M T Alt 20 17058447 4 H 231A w N T Calif 17 17058448 4 H 231A w A T Calif 16 17058108 4 X 305U w A T exc A C 10 4 17058110 4 X 305U w A T A C 11 17058176 4 A 305U w A T A t exc A C 2nd Design 26 17058178 4 A 305U w A T A C Alt 2nd Design 27 17058181 4 231A w M T Fed 2nd Design 28 17058182 4 A H X 231A w A T Fed 30 17058182 4 B 231A w Fed exc A C 30 WAFIEHOUS NG AND DISTRIBUTION olvlslow OF GENERAL morons conP0nATl0N Buicl 41 REV 5 81 3 47 c 3 000 GROUP