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(Page 1 of 2) State of California AIR RESOURCES BOARD EXECUTIVE ORDER A-6-142 Relating to Certification of New Motor Vehicles GENERAL MOTORS CORPORATION Pursuant to the authority vested in the Air Resources Board by Health and Safety Code Sections 43100, 43102, 43103, and 43835; and Pursuant to the authority vested in the undersigned by Health and Safety Code Sections 39515 and 39516 and Executive Orders G-45-3 and G-45-4; IT IS ORDERED AND RESOLVED: That General Motors Corporation exhaust emission control systems for 1979 model-year gasoline-powered passenger cars are certified for the vehicles described below: Displacement Exhaust Emission Control Systems Engine Family Cubic Inches (Special Features) 910L 4RU 305, 350 Air Injection, Exhaust Gas Recirculation, Oxidation Catalyst Vehicle Models, Transmissions, Engine Codes and Evaporative Emission Control Families as listed on attachments. The following are the certification emission values to be listed on the window decal required by California Assembly-Line Test Procedures for 1979 model-year vehicles: Hydrocarbons Carbon Monoxide Nitrogen Oxides Engine Family Grams per Mile Grams per Mile Grams per Mile 910L 4RU 0.27 5.4 1.5 BE IT FURTHER RESOLVED: That the listed vehicle models also comply with "California Evaporative Emission Standards and Test Procedures for 1978 and Subsequent Model Gasoline-Powered Motor Vehicles except Motorcycles". BE IT FURTHER RESOLVED: That the listed vehicle models also comply with the Board's "Specifications for Fill Pipes and Openings of Motor Vehicle Fuel Tanks" (Title 13, California Administrative Code, Section 2290) for the aforementioned model year, or have been granted a temporary exemption from the aforementioned "Specifications" by Executive Order AA-6 series. GENERAL MOTORS CORPORATION EXECUTIVE ORDER A-6-142 (Page 2 of 2) Vehicles certified under this Executive Order must conform to all applicable California emission regulations. The Department of Motor Vehicles, the California Highway Patrol, and the Bureau of Automotive Repair will be notified by copy of this order and attachment. Executed at El Monte, California this day of August, 1978. G. C. Hass, Chief Vehicle Emissions Control Division 1979 AIR RESOURCES BOARD SUPPLEMENTAL DATA SHEET Manufacturer GENERAL MOTORS CORP . Executive Order No. A-6-142 Page Engine Family 910L4RU Engine (CID) 305, 350 Evaporative Family 984-1 ABBREVIATIONS Ignition System Exhaust Emissions Control System CA-Centrifugal Advance AI-Air Injection OC-Oxidation Catalyst EI-Electronic Ignition CCAV-Comb. Chamber Air Valve PAI-Pulse Air Injection ESAC EFI-Electronic Fuel Injection TC-Turbo Charged VA-Vacuum Advance EGR-Exhaust Gas Recirculation TR-Thermal Reactor VR-Vacuum Retard EM-Engine Modification TWC-Three Way Catalyst ( Feedback Control) Fuel System ESAC-Electronic Spark Advance WOC-Warm-up Oxidation EFI, MFI Control Catalyst nV-nVenturi Carburetor MFI-Mechanical Fuel Injection VV-Variable Venturi Phoenix Hatchback Coupe X Y Chevrolet Models DIVISIONBASIC BODYBODY TYP 17 Phoenix Coupe 27 Malibu Sedan 19 . Phoenix Sedan 69. Malibu Notchback Coupe 27 Phoenix LJ Coupe 27 Malibu Calssic Sedan 19 Phoenix LJ Sedan 59 Malibu Classic Notchback Coupe 27 . Oldsmobile Models . Malibu Wagon 35 M Malibu Classic Wagon Omega Hatchback Coupe 3 XB 17 . Caballero Pickup Delivery Omega Coup 27 El Camino Pickup Delivery Omega Sedan 69. Omega Brougham Coupe 27 . Omega Brougham. Sedan Monte Carlo Sport Coupe 37 Impala Coupe B 1 47 Cutlass Salon Sedan A Impala Sedan 69 05 Caprice Classic Coupe 47 Cutlass Salon Coupe Caprice Classic Sedan 69 . Cutlass Salon Brougham Sedan Cutlass Salon Brougham Cou 87 Impala Wagon L 35 Caprice Classic Wagon N Cutlass Supreme Coupe R Cutlass Supreme Brougham Coupe M Cutlass Calais Coupe Camaro Sport Coupe F Q 87 . Camaro Berlinetta Sport Coupe Cutlass Brougham. Cruiser 35 Nova Hatchback Coupe X 17 Cutlass Cruiser Nova Coupe 27 Buick Models Nova Sedan 69 . Nova Custom Coupe 1 27 . Century Special Sedan AL 09 Nova Custom Sedan 69 . Century Special Coupe Century Custom Sedan 09 Corvette "Fastback" Sport Coupe Y Z 87 . Century Custom Coupe 87 Pontiac Models Century Sport Coupe 6 87 Century Limited Sedan 09 LeMans Sedan AD 19 Century Limited Coupe LeMans Coupe 27 35 LeMans Safari Station Wagon Regal Coupe J Regal Limited Coupe Grand LeMans Sedan 19 Grand LeMans Coupe 27 . Century Special Wagon 35 . Century Custom. Wagon . Grand LeMans Safari Station Wagon Skylark Hatchback Coupe B 17 Skylark Coup 27 Grand AM Sedan 19 Skylark Sedan 69 Grand AM Coupe 27 Skylark Custom C 17 . Grand Prix SJ H Katchback Coupe Grand Prix Grand Prix LJ Skylark Custom Coupe 27 Skylark Custor Sedan Skylark 'S' Coupe 27 . ISSUED 082178. AIR RESOURCES BOARD 1979 SUPPLEMENTAL DATA SHEET - GM FORMAT Passenger Cars Manufacturer: GENERAL MOTORS CORPORATION Executive Order No.A-6- 142 Pg. 2 Engine Family 910L 4RU Engine CID 305 Transm. Auto-3 Exhaust Emission Control System AI-EGR-OC +10% (A/C) Yes X No Eng. Air Ign. Syst. Fuel System EGR Valve Code Cond. EI, CA, VA 4y Part No. Dist. Carb. Part No. Part No. Page No. InertiaWt. Class Divisions BasicTrim Body Body Trans-TypemissionTune-up Label &Rev. Notes Delco Rochester 3500 1234 A A-3 CF 4 Remy 17059504 17057419 1103368 1A 17059507 A G 2 W/0 17059502 1234 A 09 19 27 2A 17059505 87 G 37 3 W 17059504 17059420 4000 1234 A 35 1 3A 17059507 80 4 W/C 17059502 1234 A 35 4A 17059505 1 80 Comments: See page one for abbreviations and evaporative emission family identification. Please refer to manufacturer's HP lists for correct dyno test HP settings based on model, equipment and inertia weight class. Date of Issue: 082178. Revisions: A. EC 1A, 2A, 3A & 4A added by RC 91-89, on 110678. AIR RESOURCES BOARD 1979 SUPPLEMENTAL DATA SHEET - GM FORMAT Passenger Cars Manufacturer: GENERAL MOTORS CORPORATION Executive Order No. A-6- 142 Pg. 3 Engine Family 910L 4RU Engine CID 350 Transm. Auto-3 Exhaust Emission Control System AI -EGR-OC +10% (A/C) Yes x No] Eng. Air Ign. Syst. Fuel System EGR Valve Code Cond. EI , CA, VA 4V Part No. Dist. Carb. Part No. Part No. InertiaWt. ClassDivisions BasicTrim Body BodyTrans- Typemission Tune-upLabel Page & Rev.No. Notes 11 W Delco Rochester 4000 1 B A-3 CN 4 Remy 17057420 1103285 17059504 11A 17059507 A 1234 12 W/0 B 17059502 1 47 69 A 19 27 12 17059505 A 1234 Y 17 27 69 15 W 17059504 17057423 4500 B 35 4000 1 F 87 A 15A 17059507 87 CR 4 16 W/0 17059502 4500 1 B 35 CN 4 4000 1 87 16A 17059505 A Y 87 CR 4 17 W 17059504 17062066 87 B 17A 17059507 37 18 WO 17059502 184 17059505 Comments: See page one for abbreviations and evaporative emission family identification. Please refer to manufacturer's HP lists for correct dyno test HP settings based on model, equipment and inertia weight class. Date of Issue: 082178. Revisions: A. EC 11A, 12A, 15A & 16A added by RC 91-89, on 110678. B. EC 17, 17A, 18 & 18A added by RC91-119, on 111478. 1979 AIR RESOURCES BOARD SUPPS MENTAL DATA SHEET - GM FORMAT Manufacturer: General Motors Corporation Executive Order No. A-6-142 Pg. 4 CF TRANSMISSION EMISSION HOSE ROUTING -PURGE HOSE S O LITRE VEHICLE EMISSION CONTROL INFORMATION CATALYST VAC MOTOR AUTOMATIC GENERAL MOTORS CORPORATION AIR EGR-EFE TO FUEL LOW ALTITUDE CERTIFICATION 984-1 AIR CLEANER TANK EDX CANISTER SET PARKING BRAKE AND BLOCK DRIVE WHEELS. TIMING ~ BTC (@ RPM) 4 @ 500 PCV MAKE ALL ADJUSTMENTS WITH ENGINE AT NORMAL OPERATING TEMPERATURE. CHOKE FULL SPARK PLUG GAP 0.045 TEMP SENSOROF CARS . EFE - TV OPEN. AIR CLEANER INSTALLED. AND AIR CONDITIONING OFF. EXCEPT WHERE NOTED CURB IDLE SPEED ( RPM) 500 (DR) - CHECK VALVE I DISCONNECT AND PLUG VACUUM HOSE AT DISTRIBUTOR. SET IGNITION TIMING AT SPECIFIED DIST. OLENOID ASM. ADJUSTMENT 600 (DR) VALVE Oof ENGINE SPEED UNPLUG AND RECONNECTT VACUUM HHOSE TO DISTRIBUTOR WITH AIR COND ( RPM) DISCONNECT AND PLUG VACUUM HOSE AT EGR VALVE AND CANISTER PURGE HOSE AT CANISTER ADJUST CARBURETOR SPEED SCREW TO OBTAIN SPECIFIED CURB IDLE SPEED FAST IDLE SPEED (RPM) 1600 (P) OR (N) WITH AIR CONDITIONING DISCONNECT ELECTRICAL LEAD FROM AIR CONDITIONING COMPRES. SOR WITH AIR CONDITIONING SWITCH ON AND SOLENOID FULLY EXTENDED. ADJUST SOL. NOTE IDLE MIXTURE SCREWS ARE PRESET AND SEALED AT FACTORY. IVS PROVISION FOR ADJUSTMENT DURING TUNE UP IS NOT PROVIDED. ENDID SCREW 10 SPECIFIED RPM RECONNECT COMPRESSOR LEAD. TURN AIR CONDITIONING A L.R. PUMP SWITCH OFF OR MAJOR REPAIR. ADJUSTING MIXTURE SERVE BY OTHER THAN DIV VALVE WITH TRANSMISSION IN PARK OR NEUTRAL. ADJUST FAST IDLE SCREW TO SPECIFIED SPEED ATE LAWS ON HIGH STEP OF CAM UNPLUG AND RECONNECT VACUUM HOSE TO EGR VALVE AND CANISTER PURGE HOSE TO CANISTER SEE SERVICE MANUAL AND MAINTENANCE SCHEDULE I FOR ADDITIONAL FRONT OF ENGINE INFORMATION. THIS VEHICLE CONFORMS TO U. S. EPA AND CALIFORNIA REGULATIONS APPLICABLE TO 1979 MODEL YEAR NEW PASSENGER CARS PT. NO 14006783 TRANSMISSION EMISSION HOSE ROUTING CN VEHICLE EMISSION CONTROL INFORMATION -PURGE HOSE a CATALYST VAC MOTOR- 350 CU IN AUTOMATIC GENERAL MOTORS CORPORATION AIR-EGR EFE TO FUEL 984-1 LOW ALTITUDE CERTIFICATION AIR CLEANER TANK CANESTER SET PARKING BRAKE AND BLOCK DRIVE WHEELS. TIMING ~ BTC @ RPM) *500 PCV MAKE ALL ADJUSTMENTS WITH ENGINE AT NORMAL OPERATING TEMPERATURE. CHOKE FULL SPARK PLUG GAP (IN.) 0.045 TEMP SENSOR CARD. CEFE-TVS OPEN AIR CLEANER INSTALLED. AND AIR CONDITIONING OFF. EXCEPT WHERE NOTED. Eng.E.0.A-6-142 Fam. 910L4RU CURB IDLE SPEED ( RPM) JOE 8-CHECK VALVE 1 . DISCONNECT AND PLUG VACUUM HOSE AT DISTRIBUTOR. SET IGNITION TIMING AT SPECIFIED DIST OLENOID ASM. ADJUSTMENT FRONT OF ENGINE ENGINE SPEED UNPLUG AND RECONNECT VACUUM HOSE TO DISTRIBUTOR WITH AIR COND ( RPM) 600 (DR) 2 0 PLUG VACUUM VALVE AND CANISTER PURGE HOSE AT D SCREW TO OBTAIN SPECHED CANISTER ADJUST CARBURE AIN SPECHED CURB BOLE SPEED FAST IDLE SPEED (RPM) 1600 (P) OR (N) WITH AIR CONDITIONING .