FUEL EXHAUST CARBURETION C280 CHEVROLET 1 1 1980 ROCHESTER 4BC Continued See Model Reference for Application GROUP DESCRIPTION OTV 1 2 3 4 5 1 1 3 730 SCREW air horn 4 4 AR 17063591 17063591 17063591 17063591 17063591 1 3 730 SCREW air horn long I AR 17063592 17063592 17063592 17063592 17063592 1 3 730 SCREW air horn short 4 AR 7031105 7031105 7031105 7031105 7031105 3 755 SCREW aux vac break AR 7043682 3 444 SCREW bracket attach aux vac break AR 7043682 7043682 7043682 1 3 767 SCREW com fast idle levers 1 3 750 SCREW choke hsg to bowl 1 7038808 7038808 7038808 7038808 7038808 3 752 SCREW choke lever 1 7029866 7029866 7029866 7029868 7029866 I 3 751 SCREW choke valve AR 7029866 7029866 7029866 7029868 7029866 1 3 752 SCREW coil lever 1 7019709 7019709 7019709 7019709 7019709 3 755 SCREW control attach AR 17050732 17050732 17050732 17050732 17050732 3 766 SCREW fast Idle adj 1 7044794 7044794 7044794 7044794 7044794 1 3 767 SCREW fest idle lever 1 7036079 7036079 7036079 7036079 7036079 3 761 SCREW idle stop 1 3960392 3960392 3960392 3960392 3980392 1 3 440 SCREW solenoid adiusting 1 17063738 I 3 440 SCREW solenoid stop 1 1 3 444 SCREW throttle stop 1 3 741 SCREW throttle body AR 1 3 752 SEAL choke hsg to bowl 1 3 752 SEAL inter choke shaft AR 7037569 7037569 7037569 7037569 17058488 3 764 SENSOR throttle position 1 17063708 3 752 SHAFT ASM choke 1 7038259 7038259 7038259 7038259 7038259 3 750 SHAFl ASM choke w lever 1 3 752 SHAFT 81 LEVER ASM inter choke 1 17063458 17063458 17083458 17063458 17063629 3 440 SOLENOID UNIT w brkt 1 17061769 1 I 3 440 SOLENOID mixture control 1 17063279 I 3 766 SPRING cam follower I 3 766 SPRING cem lever 1 17051494 17051494 17051494 17051494 17051494 3 768 SPRING fast idle screw 1 7029900 7029900 7029900 7029900 7029900 1 3 740 SPRING fuel filter 1 7043568 7043568 7043568 7032732 7043588 3 823 SPRING idle needle AR 3 766 SPRING idle stop screw 1 7003178 7003176 7003176 7003176 7003176 3 810 SPRING metering rod prim 1 7041459 7041459 7041459 7041459 17057068 3 859 SPRING pwr piston 1 7038019 7036019 7036019 17055329 3 841 SPRING pump return 1 7042979 7042979 7042979 7042979 7042979 3 858 SPRING solenoid return 1 17057074 3 858 SPRING solenoid screw 1 17062262 3 784 SPRING sensor adjustment 1 3 757 SPRING w cam 1 7035344 7035344 7035344 7035344 7035344 3 750 STAT COVER COIL elect 17064473 17064473 17084215 17083987 17064029 3 750 STAT COVER COIL GASKET 1 I 3 761 STOP UNIT carb throttle 1 3 459 THROTILE KICKER 1 1 3 755 VACUUM BREAK BRACKET choke side aux 17064434 17084797 3 755 VACUUM BREAK 81 BRACKE l rear aux 3 755 VACUUM BREAK CONT 1 3 755 VACUUM BREAK CONT ASM aux 3 755 VACUUM BREAK CONTROL BRACKET choke side 1 17063485 17083485 17063485 17051261 17050759 1 3 751 VALVE choke 1 7048904 7048904 7048904 7048904 7048904 1 3 820 VALVE idle air bleed 1 I 1 3 444 WASHER tab locking 1 1 3 823 WASHER idle needle spring 1 1 I I I I I GM PARTS DIVISION GENERAL MOTORS c0RPORAT10N cREvROLET 10 REV 9 80 a 2 7 c 3 000 GROUP 3 I