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Dual Manifold as Exhaust Emission Control in Volvo Cars
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English
Abstract
The Volvo Exhaust Emission Control System is an engine modification system employing the dual manifold principle, lean mixtures, idle spark retard, deceleration bypass valves, and increased idle speed. The design and performance of the system are described, including the influence on the Federal cycle results of various factors such as idle speed and idle mixture adjustment. Fuel economy, octane requirement, etc, is also discussed. Results of durability test are reported.
Authors
Citation
Larborn, Ȧ. and Zackrisson, F., "Dual Manifold as Exhaust Emission Control in Volvo Cars," SAE Technical Paper 680108, 1968, https://doi.org/10.4271/680108.Data Sets - Support Documents
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References
- Maga John A. Kinosian John R. “Motor Vehicle Emission Standards - Present and Future.” Paper 660104 presented at SAE Automotive Engineering Congress January 1966
- Beckman E. W. Fagley W. S. Sarto Jorma O. “Exhaust Emission Control by Chrysler - The Cleaner Air Package.” Paper 660107 presented at SAE Automotive Engineering Congress January 1966
- Bartholomew Earl “Potentialities of Emission Reduction by Design of Induction Systems.” Paper 660109 presented at SAE Automotive Engineering Congress January 1966
- Huls T. A. Myers P. S. Uyehara O. A. “Spark Ignition Engine Operation and Design for Minimum Exhaust Emission.” Paper 660405 presented at SAE Mid-Year Meeting June 1966
- Lawrence G. Buttivant J. O’Neill C. G. “Mixture Pre-Treatment for Clean Exhaust - The Zenith ‘Duplex’. Carburation System.” Paper 670484 presented at SAE Mid-Year Meeting May 1967