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  • 29.03

    ILSAC GF-5: New API Performance Standard for Passenger Car Engine Oils

    The newest engine oil performance standard for automotive gasoline engines,
    ILSAC (1) GF-5, becomes official October 1, 2010. ILSAC GF-5 defines
    the performance requirements for engine oils for use in 2011 model-year vehicles

    Development of ILSAC GF-5 targeted three key performance improvements relative to ILSAC GF-4:
    (1) improved fuel economy; (2) improved engine oil robustness, in particular piston
    cleanliness and engine sludge protection; and (3) improved protection of emissions control systems.

    In addition, new performance criteria are included to demonstrate compatibility with E85 fuel,
    turbocharger protection (from deposits).

    Please click on the link for the full bulletin in a downloadable PDF format: