W C101 l W l l W cncvncm W W W W cuavnot ar MODEL REFE ENCE W 1977 ROCHESTER 1BC W A Follow procedure outlined below to determine carburetor endlor part number W 1 Determine vehicle model 2 Determine engine end carburetor type W 3 Part number can he determined by cross referencing corresponding column with same column number on chart Y PRODUCTION USAGE OOL N0 W W 17057013 All wlM T 250 exc C60 12 17057014 All w A T 250 exc C60 Federal L 13 W 17057016 All wIA T 250 Alt 14 W W 17057015 All w M T A C C60 250 I7 W 17057020 All w A T A C C60 250 Federal 18 17057018 AD 29 B0 wIA T A C C60 250 15 W 17067314 A B X wlA T 250 exc C60 Calif 16 W W 17057318 B X wIA T A C C60 250 Calif 19 17057310 F wIA T 250 exc C60 Calif L 20 W 17057312 F wIA T A C C60 250 21 W 17057031 T wlM T 1 4 1 W 17057030 T wIA T 1 4 2 17057032 T wlA T A C C60 1 6 Federal 3 17057034 T w A T 1 6 exc C60 Federal 4 17057035 T wlM T 1 6 Federal 5 W 17057042 T w A T A C C60 1 6 Alt 9 W 17057044 T wlA T 1 6 exc C60 Alt 10 I 17057045 T w V T 1 6 Alt i 11 W 17057332 T w A T A C C60 1 6 Calif 6 W 17057334 T wIA T 1 6 exc C60 Calif L 7 W 17057335 T wlM T 1 6 Calif 8 W 17057054 W T wIA T 1 6 exc A C 23 i 17057056 T w A T 1 6 A C 23 W I GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 W REV 9 80 1 5 c 3 000 GROUPW W