OLDSMOBILE ml MODEL REFERIENCE 1980 ROCHESTEFII 4IBC Follow procedure outlined below to determine carburetor and or part number 1 Determine vehicle model check VIIN DIVISION CODE 2 Determine engine and carburetor type 3 Part number can be determined by cross referencing corresponding column number wi1 h same column number on charts Note 1 Used with EV Engine Note 2 Used with MC Engine Note 3 Used with AA AJ AR Engine Note 4 Used with All AW AY Engine Note 5 Used with 307 and AB AK AES Engine Note 6 Used with 307 and AU AX ALZ1 Engine Note 7 Used with 307 and AM AN Engine Note 8 Used with 307 and BA BB Engine VIN PRODUCTION DIV CODE USAGE COL NO 17080202 1 3 5 A 305H w A T MV4 IVlV9 M33 Exc A C 1 17080202 3 A 305H w A T Fed Exc A C 1 17080204 3 A 305H w A T Fed A C 2 17080504 34 A 305H w Calif A C1 3 17080250 3 E 307 Exc A C Note 3 4 17080253 3 ES 350R w Fed Note 5 5 17080259 3 C E 307 Note 7 6 17080259 3 A C Ei 350R w Fed Note 7 6 17080553 34 ES C 350R w Calif 7 17080554 34 E 350R w Calif 8 17080251 3 B 307 Exc A C Note 4 9 17080252 3 B 307 wl A C 10 17080252 3 B 350R w Fed Note 6 10 17080260 3 A C E 350R w Fed Note 8 11 17080260 3 C E 307 Note 8 11 17080517 34 A 305H w Calif A C 12 1 mar oaueimt morons stnvtciz Pmrs oPEi m rt Ns JLosmomztt 31 REV 7 87 3 181 I3 3 000 GROUP