1 C115 l I CHEVROLET l I ci IEvn0I ET l MODEL REFERENCE I 1977 ROCHESTER 2BC Follow procedure outlined below to determine carburetor andlor part number I 1 Determine vehicle model y 2 Determine engine and carburetor type I 3 Part number can be determined by cross referencing I corresponding column with same column number on chart PRODUCTION USAGE COL NO V 17057188 A B X wIA T 305U exc C60 Federal 2nd design 19 17057190 A B X w A T C60 305U Federal 2nd design 20 l 17057108 A X wIA T 305U exc C60 Federal 1st design 9 7 17057110 A X wIA T A C C60 305U Federal 1st design 10 l 17057408 B X wIA T 305U exc C60 Calif 3 17057410 B X wIA T A C C60 305U Calif 4 i 17057412 F wIA T 305U exc C60 Calif 5 17057414 F wIA T A C C60 305U Calif 6 17057114 F w A T A C C60 305U Federal V 12 r 17057111 F w M T 305U exc C60 1st design 13 17057121 F wIM T A C C60 305U i 17 17057192 F w A T 305U exc C60 2nd design 21 17057194 F w A T C60 305U Federal 22 17057112 F wIA T 305U exc C60 Federal 14 17057404 H 305U exc C60 i 1 17057405 H 305U wIA C C60 Calif 2 17057104 H wIA T 305U exc C60 Federal 7 17057105 H wIA T A C C60 305U Federal A 8 17057107 H wIM T 305U exc C60 15 17057109 H w M T A C C60 305U 18 17057113 X w M T 305U exc C60 11 I 17057123 X w M T A C C60 305U 16 i l I l E GM PARTS DIVISION GENERAL MOTORS CORFORATION CHEVROLET 10 REV S B0 3 5 c 3 000 GROUP