General Motors
| Engines | Emission Control Systems & Devices | Remarks | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 GM | |||||||||||
| Light Duty Emissions | |||||||||||
| 250" 6-Cyl. | CAT, DCV(1), DV-DLV, DV-TVS, EEC, EFE, EFE-TVS EGR, EGR-TVS, PAIR, PCV, TAC, VB-TVS, VASC |
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| 305" V8 | CAT, DV-DLV, EEC, EFE, EFE-TVS EGR, EGR-TVS, PCV, TAC, VASC | ||||||||||
| 350" V8 | A.I.R.(2), APDV(3), CAT, DV-DLV, EEC, EFE, EFE-TVS EGR, EGR-TVS, PCV, TAC, VASC | ||||||||||
| 400" V8 | A.I.R(4), APDV(3), CAT, DV-DLV, EEC, EFE, EFE-TVS EGR, EGR-TVS, PCV, TAC, VASC | ||||||||||
| Light Duty Emissions: Are vehicles up to 8500 GVW. Heavy Duty Emissions: Are vehicles over 8500 GVW. | |||||||||||
| A.I.R.
- Air Injection Reactor APDV - Air Pump Diverter Valve CAT - Catalytic Converter DCV - Deceleration Valve DV - Distributor Vacuum DLV - Delay Valve EEC - Evaporative Emission Control EFE - Early Fuel Evaporation EGR - Exhaust Gas Recirculation PAIR - Pulse Air Injection Reactor PCV - Positive Crankcase Ventilation SP - Spark TAC - Thermostatic Air Cleaner TRC - Throttle Return Control VASC - Vacuum Advance Spark Control VB - Vacuum Break |
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