Hydrocarbon and carbon monoxide concentrations in the exhaust of an engine equipped with a closed positive crank-case ventilation (PCV) system were kept at low levels with operation on high-quality motor oil when compared with similar operation on a low-quality motor oil.The increase in exhaust emissions with the low-quality motor oil resulted from the effects of deposit accumulation in the PCV valve, carburetor venturi, and carburetor throttle body areas.Hydrocarbon and carbon monoxide concentrations in the exhaust of an engine equipped with a closed positive crank-case ventilation (PCV) system were kept at low levels with operation on high-quality motor oil when compared with similar operation on a low-quality motor oil.The increase in exhaust emissions with the low-quality motor oil resulted from the effects of deposit accumulation in the PCV valve, carburetor venturi, and carburetor throttle body areas.


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    Title :

    Lubricant-Closed PCV System Relationships Influence Exhaust Emissions


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1968 Automotive Engineering Congress and Exposition ; 1968



    Publication date :

    1968-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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