FLIEL EXHAUST CARBURETION 3 766 CAM LEVER SCREW SPRING Carburetor and Fuel Injection Fast 1d1e Con t 63 65 YW FI 7003176 1 I6 SPRINGIAIRMETERIDIE STOP SCREW 68 77 Y W ROCH ABC 7029900 I 48 SPRING FAST IDLE SCREW 58 74 Y W ROCI I ABC 7035772 I 57 SPRING FAST IDLE CAM IVR 72 77 Y W ROCH ABC 7003175 1 16 SPRING FAST IDI E STOP SCREW 75 77 Y 17051494 1 57 SPRING CAM I II 3 767 SCREW Carburetor end Fuel Injection Fast Idle Cam NOTE REFER TO CHAT T5 END OF GROUP 3 ORG FUR GROUP 3 72 I THHII 1 859 1978 AND LATER CARBURETOR5 AND COMPONENT PARTS 57 55 YW FI 395 17057076 I 1075 SCREW ATT ICHI12 28 X 3 E X3 IG DIA SHI DR 76 77 Y I 7036079 I 57 SCREW FAST IDLE LVR ATTACII 3 774 NOZZLE Carburetor NOTE REFER TO CHARTS END OF GROUP 3 1170 FOR GROUP 3 PHJ THRU 1359 IIUR AND LA TER CARBURETORS AND COMPONENT PARTS 55 Y 396 2367980 1 3 75 NDZZLE PUMP DISCHARGE IIIOLLEY NO 21R 572 25 W 31158825 BII5 i 3R75954 3884505 2535 3890 199 55 Y EXC A I I4 2367980 I 3 75 NOZZLE PUMP DISCIIAIIGE HOLI EY Nl 21R 572 25 IW 3B55 1825 8854 3875964 3884505 2835 3890499 67 Y P G W I3 28C 2367980 1 3 75 NOZZLE W 3909872 57 Y W HOLLEY 4BC 2357980 I 3 75 NOZZLE IW 3906531 3 5 59 72 Y IHOLLEY 4BC W SP I I IPERI 350 454 2367980 I 3 75 NOZZLEIW 3986195 95 3989021 3995253 69 Y I3 28C WIT H 400 W H PER 427 2367980 I 3 75 NOZZLE W 3940930 39555116 3 792 JET Carburetor Metering Rod with Gasket I NOTE REFER TO CHARTS END OF GROUP 3 OOO FOR GROUP 3 724 THRU 3 859 1975 AND I ATER CAFIBURETORS AND COMPONENT PARTS NOTE STAMP ON TOP OR SIDE OF JET DENOTES ORIFICE DIAMETER IN THOUSANDS I 58 Y 327 Wf5P H PER 7031965 I 1 73 JET PRIM W 7028219 90 DEGREE APPROACH 58 E9 Y W ROCH 4BC EXC 327 SP H PER 350 7031971 2 173 JET PRIM 90 DEGREE APPROACH 69 Y 350 WIROCH 4BC I I PEFI 7031965 1 173 JET WV 7029207 90 DEGREE APPROACH 70 Y 350 W ROCH 4EIC 7031976 1 173 JET MAIN 90 DEGREE APPROACH 70 454 W ROCH 4BC 7031978 I 173 JET MAIN 90 DEGREE APPROACH 71 72 Y 350 W ROCH 413C 7031974 1 I I 73 JET I 1AIN 90 DEGREE APPROACH 71 73 Y 454 W ROC I 48C 7031977 2 1 73 JET PR1I I 90 DEGREE APPROACH 73 Y 350 EXC SP H PER 7031978 I 173 JET MAIN 90 DEGREE APPROACH 73 Y 350 W SP H PER 7031974 2 173 JET PRIM 90 DEGREE APPROACH 74 Y W ROCH 4BC 7031975 2 173 ET MAIN 90 DEGREE APPROACH 75 76 Y 7031977 2 173 JET PRIIVI 90 DEGREE APPROACH 77 Y EXC CALIF ALT 7031977 2 173 JET PRIM 90 DEGREE APPROACH 77 Y W CALIF ALT 7031972 2 1 73 JET PRIM 90 DEGREE APPROACH 3 806 HOLDER KIT NSERT ROD Carburetor Metering I NOTE REFER TO CHARTS END OF GROUP 3 090 FOR GROUP 3 724 THRU 3 859 1978 AND LATER CARBURETORS AND COMPONENT PARTS I 58 77 Y W ROCH ABC 7034522 I 155 HOLDER KIT CARB METERING ROD SECD 75 77 Y 17051795 2 143 INSERT ANEROID CAVITY 68 Y 327 W FIOCH 4BC EXC SP H PER 7034337 2 505 ROD SECD W 028207 8 12 13 68 Y 337 W ROCH 4BC SP H PER 7034822 1 535 ROD SECD 58 Y 327 W SP H PER 7034836 2 2 31 ROD PRIM W 7028219 GB Y 327 W ROCH 4BC EXC SP H PER 7034845 I 2 31 ROD PRIM W 7028207 8 12 13 19 68 Y 427 W ROCH 4BC 7033549 2 4 41 ROD SECD W 7028209 I0 11 15 68 59 YI427 W T H ROCH 4BC H PER 7034847 1 Z 31 ROD PRIM W 7028215 7029 04 58 59 Y 427 W N1 T ROCH ABC EXC SP H PER 7034845 1 2 31 ROD PRIM W 70282094 17029201 15 69 70 Y 350 EXC H PER 7034337 2 5 05 FIOD W 7029202 03 Z3 70 10202 3 13 05023 13 59 Y 350 W ROCH ABC 1 I PER 7034835 2 2 31 ROD PRIMIW 7029207 170505 BO I 69 Y 350 W ROCH 4BC E C H PER T H 400 7034838 2 2 31 ROD W 7029203 69 Y 427 ROCH 4BC TI I 400 7033549 2 4 41 ROD W 7029204 15 WAIIEHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14A REV 12 83 3 27 I 3 766 3 806 F 7