L85 IDLDSNIDBILEI OLDJSNIOBILIEE N lC DEL REFERENCE 197 6 ROCHI S l ERl 4 BC Follow procedure outlined below to determine carburetor and or part number 1 Determine vehicle model 2 Determine engine and carburetor type 3 Part numtier cen be determined by cross referencing corresponding column with siame column number on chart PRODUCTION USAGE COL NO 17056258 A w 2 41 ratio 350 exc A C Federal 15 17056259 A 2 41 rzzitio w A C 350 Federal 16 17056250 A B 350 exc A C Federal 2 17056253 A B w A C 350 Federal 3 17056550 A B 350 exc A C Federal 10 17056553 A B w A C 350 Calif l1 17056251 A B C 455 exc A C Federal 6 17056256 A B C w A CZ 455 Federal 7 17056551 A B C 455 exc A C Calif 12 17056556 A B C w A C 455 Calif 13 17056255 C w 2 41 ratio 455 exc A C Federal 4 17056257 C 2 41 rezatio w A C 455 Federal 5 17056252 E 455 Federal 8 17056552 E 455 Calif 14 17056246 X 350 Federal 1 17056546 X 350 Calif 9 1987 GENERAL MOTORS SERVICE PARTS 0PERA l IONS 0LDSMOBILE 31 REV 7 87 3 19 C 3 OOO GROUP