C115 CHEVROLET CHEVROLET MODEL REFERENCE 1977 ROCHESTER 2BC Follow procedure outlined below to determine carburetor and or part number 1 Determine vehicle model 2 Determine engine and carburetor type 3 Part number can be determined by cross referencing corresponding column with same column number on chart PRODUCTION USAGE COL NO 17057188 A B X w A T 305U exc C60 Federal 2nd design 19 17057190 A B X w A T C60 305U Federal 2nd design 20 17057108 A X w A T 305U exc C60 Federal 1st design 9 17057110 A X w A T A C C60 305U Federal 1st design 10 17057408 B X w A T 305U exc C60 Calif 3 17057410 B X w A T A C C60 305U Calif 4 17057412 F w A T 305U exc C60 Calif 5 17057414 F w A T A C C60 305U Calif 6 17057114 F w A T A C C60 305U Federal 12 17057111 F w M T 305U exc C60 1st design 13 17057121 F w M T A C C60 305U 17 17057192 F w A T 305U exc C60 2nd design 21 17057194 F w A T C60 305U Federal 22 17057112 F w A T 305U exc C60 Federal 14 17057404 H 305U exc C60 1 17057405 H 305U w A C C60 Calif 2 17057104 H w A T 305U exc C60 Federal 7 17057105 H w A T A C C60 305U Federal 8 17057107 H w M T 305U exc C60 15 17057109 H w M T A C C60 305U 18 17057113 X w M T 305U exc C60 11 17057123 X w M T A C C60 305U 16 WAREHOUSING AND oisrmeutiou Division OF GENERAL Motons CORPOR T ON CHEVROLET 10 REV 5 81 51 c 3 000 GROUP