Stricter control of crankcase - oil viscosity specifications at both low and high temperatures is needed to assure optimum engine starting performance, operating economy and durability.The degree of improvement made by petroleum refiners in low temperature cranking and starting characteristics of a number of major brand crankcase lubricants is shown by a comparison of 1966 vs 1962 test data.High temperature viscosity also is important because of its effects on oil economy, hydraulic valve lifter collapse and hot engine starting.


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    Title :

    Some Effects of Crankcase Lubricant Viscosity on Engine Operation


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    National West Coast Meeting ; 1966



    Publication date :

    1966-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English







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