FUEL EXHAUST CARBURETION 1978 HOLLEV 2BC See Model Reference for Application 1 GROUP DESCRIPTION DTV 1 Z 3 4 5 31725 CARBURETUR prnduclion 1 10001047 10004040 10001049 10004049 10005603 3 725 CARBURETUF1 service 1 10003203 10005129 10003283 10005129 10003286 3 724 GASKET KIT 4 4 4 1 547030 547030 547030 547030 10003419 3 725 REPAIR KIT l 1 10003420 10003421 10003420 10003421 10003423 3 730 AIR HORN 1 10003510 10005285 10003510 10005285 3 814 BAFFLE fuel inlet 10003462 3 814 BUBBIN spool 10003463 3 729 BODY ASM throttle 1 10003425 10000426 10003425 10003426 3 752 BUSHING choke hsg lever pin 3 767 BUSHING fast idle Ivr 1 335101 335101 335101 335101 335101 3 762 BUSHING second oper Ivr 1 335102 335102 335102 335102 335102 3 766 CAM fast idle I 1 549256 549256 549256 549256 549256 3 823 CAP idle needle limiter 1 464086 464086 464086 464066 3 820 COMPENSATOR hot idle 1 549251 549251 549251 549251 54 51 3 750 COVER choke diaphragm 1 549257 549257 549257 549257 549257 3 020 COVER idle compensator 1 10000514 10000514 10000514 10000514 10000514 3 844 COVER pump 1 335119 335119 335119 335119 335113 3 838 DIAPHRAGM pump I 335123 335123 335123 335123 335123 3 755 DIAPHRAGM 81 NEEDLE 1 10005612 3 755 DIAPHRAGM SHAFT 1 360972 360971 350972 360971 10005732 3 755 DIAPHRAGM STEM 1 j549242 549242 549242 549242 549242 3 1158 ECUNGiv1 ZER p0wervaIve 1 10003424 10003424 10003424 1 003424 3 740 FILTER fuel inlet 1 5651802 5651802 5651002 5651802 5651802 3 740 F 1 NG fuel inlet 1 335107 335107 335107 1335107 335107 3 745 FLOAT ASM 1 335106 335106 335106 335106 335106 3 738 GASKET air horn 1 374770 374770 374770 374770 10003436 3 740 GASKET fuel inlel fitting 1 374742 374742 374742 374742 374742 3 614 GASKET needle seat fuel inlet 1 549241 549241 549241 549241 374745 3 825 GASKET pump disc nozzle 2 374768 374768 374768 374766 374768 3 750 HOUSING therm11staf 1 549261 549261 549261 549261 549261 3 750 HOUSING 81 PLUG choke 1 549255 549255 549255 549255 549255 3 792 JET main meter brackets prim 1 464085 464085 464080 3 792 JET main meter brackets sec 1 464080 464060 464080 464080 10005611 3 792 JET main meter sac 1 3 766 LEVER fast idle adj 1 10008438 10003438 10003438 10003438 10003438 3 766 LEVER fast idle cam I 464063 464063 464063 464063 464063 3 766 LEVER idle stop 1 335145 335145 335145 335145 335145 3 762 LEVER sec operating 1 335144 335144 335144 335144 335144 3 762 LEVER w bushing throttle I 549254 549254 549254 549254 549254 3 752 LOCKWASHER choke shaft nut 1 360984 360984 360984 360984 360984 3 882 NEEDLE idle adj 1 10003435 10003435 10003435 10003435 3 814 NEEDLE 81 SEAT fuel inlet 1 549240 549240 549240 549240 10005613 3 774 NUZZLE pump discharge 1 549248 549248 10005290 3 752 NUT choke shaft 1 I 360976 360976 350976 360976 360976 131762 NUT throttle Ivr ret prim 1 360975 360975 360975 360975 360975 3 762 NUT LOGKWASHER throttle 1 6259096 6259096 6259096 6259096 6259096 3 747 PIN float hinge 1 335116 335116 335116 335116 335116 3 751 PLATE choke 2 335081 10005286 335081 10005286 10005286 3 752 PLATE thermo hsg grd 1 549262 549262 549262 549262 q 3 775 PLUG idle needle 4 4 4 1 4 10005287 3 790 RESTRICTIDN high Speed bleed prim 1 549243 549253 549243 549253 10005610 3 790 RESTRICTION high speed bleed sec 1 464078 464078 464078 464078 464078 3 752 RETAINER choke shaft Ivr 1 464091 464091 464091 464091 464091 3 766 RETAINER choke spring 1 6259044 6259044 259044 6259044 6259044 3 755 RETAINER diaphragm ring 1 347751 374751 347751 374751 374751 1 GM PARTS DIVISION GENERAL MOTORS CDRPORATl0N CHEVROLET 10 3 000 GROUP mo c REV 9 78