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    SN plus gasoline engine oil performance?

    The latest API gasoline engine oil can be licensed and sold beginning May 1st, 2018. My understanding is that this oil has reduced calcium content to reduce low speed pre-ignition (LSPI) in turbocharged direct fuel injection gasoline engines. Since the old "SN" oil is now on sale most...
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    4-cycle Boat Engine Oil

    Sae paper 2007-32-0079 by Brent Dohner of Lubrizol Corp. discusses the development FC-W, 4-Cycle water cooled Marine Engine oil. Many of the concerns about internal engine corrosion and wear protection seem to apply to classic automobile engines as well. These auto engines are somewhat like boat...
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