FUEL EXHAUST CARBURETION I C1 vs l CHEVROLET 1979 HOLLEV 2BC Continued l See Model Reference for Application GROUP DESCRIPTION OTV 21 22 3 790 RESTRICTION high speed bleed prim I 10005610 10005610 3 790 RESTRICTION high speed bleed sec 1 464078 464078 3 752 RETAINER choke shaft Ivr 4 4 2 3 766 RETAINER choke spring 1 6259044 6259044 3 755 RETAINER diaphragm ring 1 14012902 14012902 3 752 RETAINER fast idle adj rod 1 3 752 ROD choke 1 14002317 14002317 3 768 ROD fast idle adj 4 1 549260 549260 3 752 RING thermo hsg ret 1 549264 549264 3 751 SCREW choke plate 4 335088 335088 3 841 SCREW diaphragm adj 1 335070 335070 3 766 SCREW fast idle adj 1 10003081 10003081 3 766 SCREW idle adj sec 1 335089 335089 3 766 SCREW idle stop 1 335097 335097 3 825 SCREW pump discharge 1 335096 335096 3 752 SCREW thermo hsg ret ring 3 e 3 761 SCREW throttle Ivr I 335087 335087 3 730 SCREW L w air horn 5 335094 335094 3 751 SCREW Uw choke hsg 2 335092 335092 3 751 SCREW L w choke hsg 1 335098 335098 3 758 SCREW 8 L w diaphragm cover 3 10012877 10012877 3 850 SCREW L w economizer 3 3 767 SCREW L w fast idle adj Ivr 1 335095 335095 3 842 SCREW Llw pump cover 4 j 3 842 SCREW Uw solenoid 3 I 3 750 SEAL choke hsg O ring 1 3 752 SEAL choke rod 1 374752 374752 l 3 755 SEAL diaphragm 1 14008794 14009794 3 820 SEAL H l C valve I 360968 360968 l 3 858 SEAL O rlng I 704344 704344 I 3 752 SHAFT Sr LEVER choke I 14002313 14002313 l 3 752 SHAFT 8 LEVER choke hsg I 374792 374792 3 440 SOLENOID E A V 1 10003463 10003463 3 755 SOLENOID BRACKET idle 1 l 3 755 SPRING diaphragm 1 10000704 10000704 3 841 SPRING diaphragm return I 345646 345646 l 3 767 SPRING fast idle adj screw 1 374830 374830 j 1 3 766 SPRING fast idle cam 1 549258 549258 3 740 SPRING fuel inlet filter I 374740 374740 l 3 766 SPRING idle adj needle 1 3 766 SPRING idle stop screw 1 2285797 2285797 3 766 SPRING pump return 1 335130 335130 3 761 SPRING throttle Ivr 1 14012944 14012944 3 763 SPRING throttle ret prim 1 2285797 2285797 I 3 750 THERMOSTAT 8 CAP 1 10003440 10003440 l 3 706 TUBE main well prim 1 335104 335104 3 706 TUBE main well sec 1 335103 335103 3 859 VALVE main feedback 1 10005609 10005609 3 792 VALVE main fuel metering 1 10005288 10005288 3 058 VALVE power 1 3 755 WASHER diaphragm 3 755 WASHER diaphragm seal 1 3 768 WASHER fast idle adj Ivr 1 6259098 6259098 3 762 WASHER fast idle ed spring 1 335138 335138 3 762 WASHER oper Ivr sec 1 360983 360983 3 762 WASHER shaft leveling 1 360982 360982 I I l j aM PARTS envision GENERAL MOTORS CORPORAT ON CHEVROLET 1O 2 REV 9 80 9125 c 3 000 GROUP l I