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Carburetors

General Interchange

Year    Car/Trans/Barrels  I #
'59-60  2BC                762
        4BC                763
'61-63  2BC                764
        4BC                763
'64     Jetstar 88
        2BC, std trans     765
             AT            766
        4BC, std trans     767
             AT            768
        others
        2BC, W/AC          764
             W/O           769
        4BC, W/CCV         770
             W/O           763
'65     Jetstar 88, 2BC    771
        4BC, std trans     772
             AT            773
        others, 2BC        774
        4BC W/AC           775
            W/O            776
'66     AIR
        Jetstar 88, 2BC    780
                    4BC    778
        others, 2BC        782
                4BC        779
        exc AIR
        Jetstar 88, 2BC    771
           4BC W/AC        777
               W/O         778
        others, 2BC        774
                4BC        779
'67     AIR
        8-330 2BC          789
              4BC
        8-425 2BC          791
              4BC          788
        exc AIR
        8-330 2BC          784
              4BC          785
        8-425 2BC W/CAP    787
                  W/O      786
              4BC          788
'68     8-350 2BC          793
              4BC          794
        8-455 2BC          795
              4BC          796
'69     8-350 2BC          793
        8-455 2BC          795
              4BC          796
'70     8-350 2BC          935
        8-455 2BC          935
              4BC 365 HP   958
                  390 HP   959

Toronado Interchange

Year    Intrchng#
'66     779
'67     884
'68-69  886
'70     968

F-85 Interchange

Year    Car/Trans/Barrels    I #
'61     2BC std trans        802
            AT               798
        4BC                  800
'62     Jetfire std trans    802
                AT           798
        others
        2BC std trans early  802
                      late   803
            AT early         798
               late          804
        4BC 1st & 2nd type   799
            3rd type         805
'63     Jetfire std trans    800
                AT           801
        others
        2BC std trans        803
            AT               804
        4BC std trans        806
              AT             807
'64     6 cyl std trans      562
              AT
        8 cyl 2BC std trans  765
                  AT         766
              4BC std trans  767
                  AT         768
'65     6-225 std trans      564
              AT             565
        8-330 2BC            ?
              4BC            771
        std trans            772
        AT                   773
        8-400 (442) W/AC     775
                    W/O      776
'66     AIR
        6-250 AT             604
        8-330 2BC            780
              4BC            778
        8-400 (442 4BC)      779
        exc AIR
        6-250 std trans      594
              AT             621C
        8-330 2BC            771
              4BC W/AC       777
                  W/O        778
        8-400 (442)
          1-4BC W/AC         808
                W/O          779
          3-2BC front        809
                center       810
                rear         811
'67     AIR
        6-250 std trans      803
              AT             604
        8-330 2BC            789
              4BC            785
        8-400 4BC            788
        exc AIR
        6-250 std trans      594
              AT             621C
        8-330 2BC            784
              4BC            785
        8-400 4BC            788
'68     6-250 std trans      812
              AT             577
        8-350 2BC            793
        4BC W/OAI            960
            W/O              794
        8-400 2BC            795
        4BC W/OAI            961
            W/O              962
        8-455 (Hurst)
            W/AC             796
            W/O              969
'69     6-250 std trans      899
              AT             891
        8-450 2BC            793
        4BC W/OAI            960
            W/o              794
        8-400 4BC
        W/OAI                961
        W/O std trans        962
        W/O AT               796
        8-455 4BC            796
'70     6-250 std trans      893
              AT             894
        8-350 2BC            935
        4BC W/OAI            963
            W/O std trans    964
            W/O AT           965
        8-455 2BC            936
        4BC 442
        W/OAI
        std trans            966
        AT                   967
        W/O std trans        964
            AT               959
        exc 442 AT (350)     965
                AT (400)
         Cutlass Supreme     959
         Skyroof SW          958

Interchange Number to Specific Carburetor

I #    Carburetor                   Vehicle / Notes
762    2bc Rochester 2GC 22-215     Olds '59-60 2BC.
763    4BC Rochester 4GC 24-508B    Olds '59-63 4BC.
                                    Olds '64 4BC (exc J88) W/O closed crankcase vent.
764    2BC Rochester 2GC 22-535     Olds '61-63 2BC.
765    2BC Rochester 2GC 22-526     Olds '64 Jetstar 88 2BC, std trans.
                                    Olds F-85 8 cyl 2BC std trans.
766    2BC Rochester 2GC 22-525     Olds '64 Jetstar 88 2BC AT.
                                    Olds F-85 '64 8 cyl 2BC AT.
767    4BC Rochester 4GC 24-515     Olds '64 Jetstar 88 4BC std trans.
                                    Olds F-85 '64 8 cyl 4BC std trans.
768    4BC Rochester 4GC 24-514     Olds '64 Jetstar 88 4BC AT.
                                    Olds '64 8 cyl 4BC AT.
769    2BC Rochester 2GC 22-524     Olds '64 2BC (exc J88) W/O AC.
770    4BC Rochester 4GC 24-516     Olds '64 4BC (exc J88) W/closed crankcase vent.
771    2BC Rochester 2GC 22-530A    Olds '65 Jetstar 88 2BC.
                                    Olds '66 Jetstar 88 W/O AIR.
                                    Olds F-85 '65 8-330 2BC.
                                    Olds F-85 '66 8-330 W/O AIR.
772    4BC Rochester 4GC 24-519     Olds '65 Jetstar 88 4BC std trans.
                                    Olds F-85 8-330 4BC std trans.
773    4BC Rochester 4GC 24-518     Olds '65 Jetstar 88 4BC AT.
                                    Olds F-85 '65 8-330 4BC AT.
774    2BC Rochester 2GC 22-527A    Olds '65 2BC exc Jetstar 88.
                                    Olds '66 2BC (exc J88) W/O AIR.
775    4BC Rochester 4GC 24-552     Olds '65 4BC (exc J88) W/AC.
                                    Olds F-85 '65 8-400 (442) W/AC.
776    4BC Rochester 4GC 24-517     Olds '65 4BC (exc J88) W/O AC.
                                    Olds F-85 '65 8-400 (442) W/O AC.
777    4BC Rochester 4MV 24-527     Olds '66 Jetstar 88 4BC AC W/O AIR.
                                    Olds F-85 '66 8-330 4BC AC W/O AIR.
778    4BC Rochester 4MV 24-544     Note: 24-544 is service replacement for A & B.
                                    A. W/O AIR
                                       Olds '66 Jetstar 88 4BC W/O AC.
                                       Olds F-85 '66 8-330 4BC W/O AC.
                                    B. W/AIR
                                       Olds '66 Jetstar 88 4BC
                                       olds F-85 '66 8-330 4BC.
779    4BC Rochester 4MV 24-551     Note: 24-551 is service replacement for A & B.
                                    A. W/O AIR
                                       Olds '66 4BC exc Jetstar 88.
                                       Olds F-85 '66 8-400 4BC (442) W/O AC.
                                       Toronado '66.
                                    B. W/AIR
                                       Olds '66 4BC exc Jetstar 88.
                                       Olds F-85 '66 8-400 4BC (442)
                                       Toronado '66.
780    2BC Rochester 2GC 22-532     Olds '66 Jetstar 88 2BC W/AIR.
                                    Olds F-85 '66 8-330 2BC W/AIR.
782    2BC Rochester 2GC 22-531     Olds '66 2BC (exc J88) W/AIR.
784    2BC Rochester 2GC 22-540     Olds '67 8-330 2BC W/O AIR.
                                    Olds F-85 '67 8-330 2BC W/O AIR.
785    4BC Rochester 4MV 22-547     Note: 24-547 is service replacement for
                                          models W/AIR & W/O AIR.
                                    Olds '67 8-330 4BC.
                                    Olds F-85 '67 8-330 4BC.
786    2BC Rochester 2GC 22-542     Olds '67 8-425 2BC exc CAP & AIR.
787    2BC Rochester 2GC 22-543     Olds '67 8-425 2BC CAP.
788    4BC Rochester 4MV 24-545     Note: 24-545 is service replacement for
                                          models W/AIR & W/O AIR.
                                    Olds '67 8-425 4BC.
                                    Olds F-85 '67 8-400 4BC.
789    2BC Rochester 2GC 22-541     Olds '67 8-330 2BC W/AIR.
                                    Olds F-85 '67 8-330 2BC w/AIR.
791    2BC Rochester 2GC 22-539     Olds '67 8-425 W/AIR.
793    2BC Rochester 2GC 22-548     Olds '68-68 8-350 2BC.
                                    Olds F-85 '68-69 8-350 2BC.
794    4BC Rochester 4MV 24-540     Olds '68 8-350 4BC.
                                    Olds F-85 '68-69 8-350 4BC W/outside air ind.
795    2BC Rochester 2GC 22-547     Olds '68-69 8-455 2BC.
                                    Olds F-85 '69 8-400 2BC.
796    4BC Rochester 4MV 24-541     Olds '68-69 8-455 4BC.
                                    Olds F-85 '68 8-455 (Hurst) W/AC.
                                    Olds F-85 '69 8-400 4BC AT (W/O outside air ind).
                                    Olds F-85 '69 8-455.
798    2BC Rochester 2GC 22-533     Olds F-85 '61 2BC AT.
                                    Olds F-85 early '62 2BC AT.
799    4BC Rochester 4GC 24-509A '61 (1st type '62)
                         24-510 2nd type '62
                                    Note: 1st type stpd 7020953 &
7020952, 2nd type stpd 7020985.
                                    Olds F-85 '61 4BC.
                                    Olds F-85 '62 (1st & 2nd type) 4BC.
800    1BC Rochester R 7016331      Note: Jetfire is a turbo-charged engine.
                                    Olds F-85 '62-63 Jetfire std trans.
801    1BC Rochester RC 7016228     Note: Jetfire is a turbo-charged engine.
                                    Olds F-85 '62-63 Jetfire AT.
802    2BC Rochester 2GC 22-534     Olds F-85 '61 early '62 2BC std trans.
803    2BC Rochester 2GC 22-521     Olds F-85 late '62-63 2BC std trsans.
804    2BC Rochester 2GC 22-520     Olds F-85 late '62-63 2BC AT.
805    4BC Rochester 4GC 24-511     Olds F-85 '62 3rd type 4BC AT.
806    4BC Rochester 4GC 24-513     Olds F-85 '63 4BC std trans.
807    4BC Rochester 4GC 24-512     Olds F-85 '63 4BC AT.
808    4BC Rochester 4MV 24-528     Olds F-85 '66 8-400 (442) 4BC AC W/O AIR.
809    2BC Rochester 2G 22-536      Olds F-85 '66 8-400 (442) 3-2BC (fr carburetor).
810    2BC Rochester 2GV 22-537     Olds F-85 '66 8-400 (442) 3-2BC (center carburetor).
811    2BC Rochester 2G 22-538      Olds F-85 '66 8-400 (442) 3-2BC (rr carburetor).
884    4BC Rochester 4MV 24-546     Note: 24-546 is service replacement for
                                          models W/AIR & W/O AIR.
                                    Toronado '67.
886    4BC Rochester 4MV 24-542     Toronado '68-69.
935    2BC Rochester 2GC 22-549     Olds '70 8-350.
                                    Olds '70 8-455 2BC.
                                    Olds  F-85 '70 8-350
936    2BC Rochester 2GC 22-550     Olds F-85 8-455 BC.
958    4BC Rochester 4MC 24-553     Olds '70 8-455 4BC 365 HP.
                                    Olds F-85 '70 Skyroof SW W/8-455 4BC & 400 AT.
959    4BC Rochester 4MC 24-557     Olds '70 8-455 4BC 390 HP.
                                    Olds F-85 '70 442 AT W/O outside air ind.
                                    Olds F-85 '70 Cutlass surpeme w/8-455 & 400 AT.
960    4BC Rochester 4MV 24-550     Olds F-85 '68 8-455 (Hurst) W/O AC.
                                    Olds F-85 '68-69 8-350 4BC W/outside air ind.
961    4BC Rochester 4MV 24-559     Olds F-85 '68-69 8-400 4BC W/outside air ind.
962    4BC Rochester 4MV 24-548     Olds F-85 '68 8-400 4BC W/O outside air ind.
                                    Olds F-85 '68 8-400 4BC std trans W/O outside
                                         air ind.
963    4BC Rochester 4MC 24-555     Olds F-85 '70 8-350 4BC W/outside air ind.
964    4BC Rochester 4MC 24-556     Olds F-85 '70 8-350 4BC std trans W/O outside
                                         air ind.
                                    Olds F-85 '70 442 8-455 4BC std trans W/O outside
                                         air ind.
965    4BC Rochester 4MC 24-552     Olds F 85 '70 8-350 4BC AT W/O outside air ind.
                                    Olds F-85 '70 8-455 4BC W/350 AT (exc 442).
966    4BC Rochester 4MC 24-558     Olds F-85 '70 442 8-455 4BC std trans w/outside
                                         air ind.
967    4BC Rochester 4MC 24-559     Olds F-85 442 8-455 4BC AT W/outside air ind.
968    4BC Rochester 4MC 24-554     Toronado '70.
[ Thanks to Bill Culp for this information ]
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