C70 q I I 1 V CHEVROLET 1 1 I I I l 1 CH EVRO LET I 1 MODEL REFERENCE I 1976 ROCHESTER 1 BC l Follow procedure outlined below to determine carburetor endlor part number I 1 Determine vehicle model 2 Determine engine and carburetor type V 3 Part number can be determined by cross referencing corrsepondlng column with same column number on chart PRODUCTION USAGE COL N0 17056012 A wIA T 250 exc Calif 17 17056314 A 250 Calif 1 23 l 17056015 A wIM T wI3 08 ratio 250 21 1 17056018 A wlC60 250 19 17056013 A X wIM T wl2 73 ratio 250 20 I 17056013 F w M T 250 20 I 17056012 F X w A T 250 exc C60 Calif 1 17 17056314 F X w A T 250 Calif 23 i 17056014 F X w A T wlC60 250 exc Calif 18 j I 17056015 F X w M T w 3 08 ratio 250 exc Calif 21 17056022 H w A T w A R 140 exc C60 13 17056023 H w M T wlA I R 140 exc C60 L 15 I 1 17056026 H w A T w C60 w A l Fl 140 14 l I 17056027 H wIM T wIC60 wIA R 140 16 i 17056030 T w A T 1 4 exc C60 C al f 3 1 17056034 T wIA T 1 6 exc CBO a i 1 I 17056031 T wIM T 1 4 exc Calif 1 17056035 T wIM T 1 6 exc C60 Calif 6 17056032 T wlA T wlC60 1 6 exc Calif 9 17056330 T w A T 1 4 Calif 3 17056036 T w A T w C60 1 4 exc Calif 5 17056331 T w M T 1 4 exc C60 Calif 2 l 17056332 T wIA T w C60 1 6 Calif 10 I 1 17056334 Tw M T 1 6 exc C60 Calif 11 17056335 TwIM T 1 6 Calif 1st design 7 1 17056339 Tw M T 1 6 Calif 2nd design 12 1 17056016 X w A T wlnon integral head 250 22 GM PARTS DIVISION GENERAL MOTORS c0RPORATION cHEvROI ET 10 REV 9 80 1 c 3 000 GROUP