FUEL EXHAUST CARBURETION C171 CHEVROLET I 1979 HOLLEY ZBC Continued See Model Reference for Application GROUP DESCRIPTION DTV 1 Z 3 4 5 3 790 RESTFIICTIDN high speed bleed prim 1 6259093 6259093 6259093 6259093 6259093 3 790 RESTRICTION high speed bleed sec 1 14009789 14009789 14009789 14009789 14009789 3 752 RETAINEIQ choke shaft lvr 2 1401 140123 3 766 RETAINE choke spring 625 6259 3 755 RETAINER diaphragm ring 1 14012902 14012902 14012902 14012902 14012902 3 752 RE AINER fast idle adj rod 1 l 3 752 ROD choke 1 14012910 14012910 14012910 14012910 14012910 I 3 768 feat idle adj I 14glgg09 14gg909 144 1g909 1431509 l401 gg9 3 752 R t ermn sg ret 64 264 264 64 5 4 3 751 SCREW choke plate 4 335088 335088 335088 335088 335088 3 841 SCREW diaphragm adj 1 3 766 SCREW fast idle adj 1 10003081 10003081 10003081 10003081 10003081 3 766 SCREW Idle adj sec 1 360960 360960 360960 360960 360960 3 766 SCREW idle stop 1 335097 335097 335097 335097 335097 3 825 SCREW pump discharge 1 14009783 14009783 14009783 14009783 14009783 3 752 SCREW tlaernro hsg ret ring 3 549265 549265 3 761 SCR t rotle vr 3 730 SCREW L w air horn 5 335094 335094 335094 335094 335094 3 751 SCREW g L w clgul e lgsg 2 335332 g g92 335092 335392 33509 3 751 SCREW L w c 0 e sg 3 5 8 98 335098 335 98 33509 I 3 758 SCREW L vv diaphragm cover 3 335091 335091 335091 335091 335091 3 858 2 Liw econgmizeir 3 2285812 2285612 2285812 2285812 2285812 3 767 S Lw asti lea j vr 3 842 SCREW 81 L w pump qever 4 335098 335098 335098 335098 335098 3 750 c o e sg ring mz 222EW 2 2 2 2 222222 222222 222222 22228 222222 3 752 SEAL Shake rod I 374752 374752 374752 374752 374752 3 755 SEAL iaphragm I 3 820 SEAL H I C valve 1 V l 3 858 SEAL 0 ring 1 704344 704344 704344 704344 704344 4 3 752 SHAFI LEVER choke I 14009780 14009780 14009780 14009780 14009780 I 3 752 SHAFI LEVER choke hsg 1 374792 374792 374792 374792 374792 3 440 SgLEugID I 549244 549244 549244 549244 549244 3 755 S L D i e I 3 755 SPRING diaphragm 1 10000704 10000704 10000704 10000704 10000704 3 841 SPRING diaphragm return 1 345646 345646 345646 345646 345646 I 3 767 SPRING fast idle adj screw 1 374830 374830 374830 374830 374830 3 766 SPRING fast idle cam 1 14012905 14012905 14012905 14012905 14012905 1 3 740 S PRI NG iu el inlet filter I 374740 374740 374740 374740 374740 3 766 SPRING idle adj needle V 1 14012906 14012906 14012906 14012906 14012906 3 766 SPRI G idle stop screw 3 766 SPRING pump return 1 335130 335130 335130 335130 335130 I 3 761 SPRmg tl 1 r0t11e Ivr I 14012944 14012944 14012944 3 763 SPR r rotteret prim 3 750 THERMOSTAT CAP 1 14012911 14012911 14012911 14012911 14012911 3 786 TUBE main well prim 1 14009785 14009785 14009785 14009785 14009785 3 786 TUBE mam well sec 1 14009784 14009784 14009784 14009784 14009784 3 859 VALVE main feedback 1 3 792 VALVE main fuel metering 1 3 858 VALVE power 1 335113 335113 335113 335113 335113 3 755 WASHER diaphragm 3 755 WASHER diaphragm seal 1 I 3 768 ast idle ag lvr 1 6259088 6259098 6259098 6259098 6259098 3 762 asri ea j spring 3 762 WASHER oper lvr sec 1 3 762 WASHER shaft leveling 1 I GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 i REV 9 80 3 1I7 c 3 000 GROUP i I