Running the Volkswagen Polo engine through a 40 h high-load - high-speed test cycle has proved to be a reliable screening test for evaluating different additives for intake-valve cleanliness. This engine has been found to be sensitive to the chemistry and composition of the additive.Apart from the detergent/dispersant component, additional partly detrimental effects on the intake-valve deposits due to corrosion inhibitors were observed.An optimized combination of detergent/dispersant, corrosion inhibitor and mineral oil carrier led to such low valve deposits that no need for a synthetic carrier could be shown.The engine was also adequate for evaluating the capabilities of different market gasolines to inhibit valve deposits.


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    Titel :

    Evaluating Gasoline Additives for Intake-Valve Cleanliness Using the Volkswagen Polo Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1989 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1989



    Erscheinungsdatum :

    01.09.1989




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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