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State of California AIR RESOURCES BOARD EXECUTIVE ORDER A-6-36 Relating to Approval of New Motor Vehicles GENERAL MOTORS CORPORATION Pursuant to the authority vested in the Air Resources Board by Sections 39150 and 39151 of the Health and Safety Code; and Pursuant to the authority vested in the undersigned by Section 39023 of the Health and Safety Code and Executive Order G-45-1; IT IS ORDERED AND RESOLVED: That General Motors Corporation exhaust emission control systems for 1975 model-year light-duty trucks are approved for the engine family described below: Engine Family: 12F13 Engine: 250 CID Exhaust Emission Control Systems : Exhaust gas recirculation, early fuel evaporation, oxidation catalyst Transmission: 3-speed manual, 3-speed automatic Models : Chevrolet Blazer (without top) Blazer (with top) Fleetside Pickup (117.5" W.B.) Fleetside Pickup (131.5" W. B. ) Stepside Pickup (117.5" W.B. ) Stepside Pickup (131.5" W.B.) Suburban (with rear doors) Suburban (with tail gate) Chevy Van (710" W.B. ) Chevy Van (125" W.B. ) Sport Van (110" W.B.) Sport Van (125" W. B. ) Beauville Sport Van (110" W.B. ) Beauville Sport Van (125" W.B.) GMC Jimmy (without top) Jimmy (with top) Wideside Pickup (117.5" W.B. ) Wideside Pickup (131.5" W.B. ) GENERAL MOTORS CORPORATION EXECUTIVE ORDER A-6-36 Fenderside Pickup (117.5" W.B. ) Fenderside Pickup (131.5" W.B.) Van Dura (110" W.B. ) Van Dura (125" W. B. ) Rally Wagon (110" W.B.) Rally Wagon (125" W.B. ) Rally STX (110" W.B.) Rally STX (125" W.B. ) Transmission: 4-speed manual Models: Chevrolet Blazer (without top) Blazer (with top) Fleetside Pickup (117.5" W.B. ) Fleetside Pickup (131.5" W.B. ) Stepside Pickup (117.5" W.B. Stepside Pickup (131.5" W.B. GMC Jimmy (without top) Jimmy (with top) Wideside Pickup (117.5" W.B.) Wideside Pickup (131.5" W.B.) Fenderside Pickup (117.5" W.B. ) Fenderside Pickup (131.5" W. B. ) The following are the recommended values to be listed on the window decal required by California Assembly-Line Test Procedures for 1975 model vehicles: Hydrocarbons Carbon Monoxide Nitrogen Oxides Engine Family Grams per Mile Grams per Mile Grams per Mile 12F13 1.5 20 1.6 Vehicles approved under this Executive Order must conform to all applicable California emission regulations. GENERAL MOTORS CORPORATION EXECUTIVE ORDER A-6-36 The Department of Motor Vehicles, the California Highway Patrol, and the Bureau of Automotive Repair will be notified by copy of this order and attach- ment. Executed at El Monte, California, this 24 2 day of September, 1974. G. C. Hass, Chief Division of Vehicle Emissions Control Vehicle Testing and Operations PG-268 "Y. 8-15-74) AIR 1 ECES BOARD SUPPLEMI AL INFORMATION 1975 MODEL YEAR PASSENGER CARS x LIGHT DUTY TRUCKS CHEVROLET DIVISION OF GENERAL MOTORS CORP. EXECUTIVE ORDER NO. A- 6 - 36 PAGE NO. Vehicle Distributor Fuel System Emission Control System Tune-up Specifications Models Oxidizing (Refer to Catalyst EGR Engine Attachment Engine Inertia Migr. Migr. Part No. Part No. Basic Idle Family for code) CID Trans. Weight Type Part No. Type Part No. Type Service* Service* Idle RPM Timing Mixture 12F13 CC10514 250 M-3 4000 HEI 1 1 10650 I BBL |7045311 EGR 6498369 7043037 900 10 BTDC Factory TC10514 OC No Service No Service In Neutral @ 900 Preset CC 10703 +E63 EFE RPM T C 10703 +E63 CC 10703 +E62 TC 10703 +E62 CC 10903 +E62 TC 10903 +E62 CG1 1005 TG 1 1005 CG11305 TG1 1305 12F13 CC 10514 250 M-4 4000 THE| 1110650 1BBL 7045311 EGR 6498369 7043037 900 10 BTDC Factory TC 10514 CV OC No Service No Service In Neutral @ 900 Preset CC 10703 +E67 EFE RPM TC 10703 +E62 CC 10703 +E63 TC 10703 +63 ABBREVIATIONS: Distributor Exhaust Emission Control System Evaporative Control System Centrifugal Advance AIR - Air Injection Reactor CAN - Charcoal Canister Storage Vacuum Advance EFI - Electronic Fuel Injection VR - Vacuum Retard EGR Exhaust Gas Recirculation Service* HEI - High Energy Ignition OC Oxidation Catalyst I - Inspect, repair/replace as needed EFE - Early Fuel Evaporation R - Replace PG-2680 8-15-74) AIR RES RCES BOARD SUPPLEME AL INFORMATION 1975 MODEL YEAR PASSENGER CARS LIGHT DUTY TRUCKS N CHEVROLET DIVISION OF GENERAL MOTORS CORP. EXECUTIVE ORDER NO. A- 6 - 36 PAGE NO. Vehicle Distributor Fuel System Emission Control System Tune-up Specifications Models Oxidizing (Refer to Catalyst EGF Engine Attachment Engine Inertia Migr. Mfgr. Part No. Part No. Basic Idle Family for code) CID Trans. Weight Type Part No. Type Part No. Type Service* Service* Idle RPM Timing Mixture 12F 13 CC10514 250 1-3 4000 HEI 1 1 10650 1BBL | 7045302 EGR 6498369 7043054 10BTDC Factory Preset TC 10514 OC No Service No Service In Drive @ 600 RPM CC 10703+E63 EFE T C 10703+E63 CC 10703+E62 TC 10703+E62 CC 10903+E62 TC 10903+E62 CG11005 TG1 1005 CG1 1305 TG1 1305 12F13 CC 10516 250 [ M-3 3 4500 HEI 11 10650 BBL 7045311 EGR 6498369 7043037 900 10 BTDC | Factory TC 105 16 OC No Service No Service in Neutral @ 900 Preset . CK 10514 FE TK 10514 CK 105 16 TK 10516 CC 10903+E63 TC 10903+E63 CK 10703+E63 TK 10703+E63 CK 10703+E62 ABBREVIATIONS: Distributor Exhaust Emission Control System Evaporative Control System - Centrifugal Advance AIR - Air Injection Reactor CAN - Charcoal Canister Storage Vacuum Advance EFI - Electronic Fuel Injection VR - Vacuum Retard EGR - Exhaust Gas Recirculation Service* HEI - High Energy Ignition OC - Oxidation Catalyst I - Inspect, repair/replace as needed EFE - Early Fuel Evaporation R - Replace PG-2680 8-15-74) AIR RESO CES BOARD SUPPLEMEN .L INFORMATION 1975 MODEL YEAR PASSENGER CARS X| LIGHT DUTY TRUCKS CHEVROLET DIVISION OF GENERAL MOTORS CORP. EXECUTIVE ORDER NO. A-6 - 36 PAGE NO. 3 Vehicle Distributor Fuel System Emission Control System Tune-up Specifications Models Oxidizing (Refer to Catalyst EGR Engine Attachment Engine Inertia Mfgr. Migr. Part No. Part No. Basic idle Family for code) CID Trans. Weight Type Part No. Type Part No Type Service* Service* Idle RPM Timing Mixture 12F13 T K 10703+E62 | 250 M-3 4500 HEI 1 1 10650 1BBL | 7045311 EGR 6498369 7043037 900 10 BTDC Factory CK 10903+E63 OC No Service No Service In Neutral @ 900 Preset TK 10903+E63 FE RPM C K 10903+E62 TK 10903+E62 CC 10906 TC 10906 CC 10906+E55 TC 10906+855 CG11006 TG11006 CG 1 1006+E94 TG 1 1006+E94 CG11306 TG1 1306 CG11306+E94 TG 1 1306+E94 12F13 CC 10516 250 M-4 4500 HEI 1110650 1BBL 7045311 EGR 6498369 7043037 900 10 BT DC Factory TC 10516 CV No Service No Service In Neutral @ 900 Preset CC 10903+E63 EFE RPM TC 10903+E63 CC 10903+E62 TC 10903+E62 ABBREVIATIONS: Evaporative Control System DistributorUP Exhaust Emission Control System Centrifugal Advance AIR Air Injection Reactor CAN - Charcoal Canister Storage Vacuum Advance EFI Electronic Fuel Injection VR - Vacuum Retard EGR Exhaust Gas Recirculation Service* HEI - High Energy Ignition OC Oxidation Catalyst I - Inspect, repair/replace as needed EFE - Early Fuel Evaporation R - Replace PG-2680 8-15-74) AIR RES RCES BOARD SUPPLEME AL INFORMATION 1975 MODEL YEAR PASSENGER CARS X| LIGHT DUTY TRUCKS CHEVROLET DIVISION OF GENERAL MOTORS CORP. EXECUTIVE ORDER NO. A- 6 - 36 PAGE NO. Vehicle Distributor Fuel System Emission Control System Tune-up Specifications Models Oxidizing (Refer to Catalyst EGR Engine Attachment Engine Inertia Mfgr. Migr. Part No. Part No. Basic Idle Family for code) CID Trans. Weight |Type Part No. Type Part No. Type Service* Service* Idle RPM Timing Mixture 12F13 CK 10703+E63 250 M-4 4500 HEI 11 10650 BBL | 7045311 EGR 6498369 7043037 900 10BTDC Factory TK 10703+E63 OC No Service No Service In Neutral @ 900 Preset CK 10703+E62 EFE RPM TK 10703+E62 CK 10903+E62 TX 10903+E62 12F13 CC 10516 250 A-3 4500 HEI 1110650 1BBL | 7045302 EGR 6498369 7043054 600 10 BTDC| Factory TC 10516 OC No Service No Servicein Drive @ 600 Preset CK 10514 EFE RPM TK 10514 CK 10516 TK 10516 CC 10903+E63 TC 10903+E63 CK 10703+E63 TK 10703+E63 CK 10703+E62 TK 10703+E62 CK 10903+E63 TK 10903+E63 CK 10903+E62 TK 10903+ E62 CC 10906 ABBREVIATIONS: DistributorUp I Exhaust Emission Control System Evaporative Control System Centrifugal Advance AIR - Air Injection Reactor CAN - Charcoal Canister Storage Vacuum Advance EFI - Electronic Fuel Injection VR - Vacuum Retard EGR - Exhaust Gas Recirculation Service* HEI - High Energy Ignition OC - Oxidation Catalyst - Inspect, repair/replace as needed EFE - Early Fuel Evaporation R - Replace PG-2680 8-15-74) AIR REST CES BOARD SUPPLEMEN .L INFORMATION 1975 MODEL YEAR PASSENGER CARS X LIGHT DUTY TRUCKS CHEVROLET DIVISION OF GENERAL MOTORS CORP. EXECUTIVE ORDER NO. A-6 - 36 PAGE NO. Vehicle Distributor Fuel System Emission Control System Tune-up Specifications Models Oxidizing (Refer to Catalyst EGR Engine Attachment Engine Inertia Migr. Mfgr. Part No. Part No. Basic idle Family for code) CID Trans. Weight Type Part No. Type Part No. Type Service* Service* Idle RPM Timing Mixture 12F13 CC 10906+E55 250 A-3 4500 EI 11 10650 BBL 7045302 EGR 6498369 7043054 600 10 BTDC Factory TC 10906 OC No Service No Service In Drive @ 600 Preset TC 10906+E55 FE RPM CG11006 TG1 1006 KG11006+E94 TG 1 1006+E94 CG1 1306 TG1 1306 CGI1306+894 TG 1 1306+894 .THA MONS: Exhaust Emission Control System Evaporative Control System Centrifugal Advance AIR - Air Injection Reactor CAN - Charcoal Canister Storage V Vacuum Advance EFI - Electronic Fuel Injection VR - Vacuum Retard EGR .