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  2. Zinc dithiophosphate - Wikipedia

    en.wikipedia.org/wiki/Zinc_dithiophosphate

    Grades 40 and higher have no regulation regarding the concentration of ZDDP, except for diesel oils meeting the API CJ-4 specification which have had the level of zddp reduced slightly, although most diesel Heavy-Duty Engine oils still have a higher concentration of this additive. [3]

  3. Shell Rotella - Wikipedia

    en.wikipedia.org/wiki/Shell_Rotella

    Shell Rotella is a line of heavy-duty engine lubrication products produced by Shell plc.The line includes engine oils, gear oils and coolants. The oil carries both the American Petroleum Institute (API) diesel "C" rating as well as the API gasoline engine "S" rating.

  4. Antiwear additive - Wikipedia

    en.wikipedia.org/wiki/Antiwear_additive

    zinc dialkyl dithio phosphate (ZDDP), probably the most widely used [2] in formulated engine oils, also acts as a corrosion inhibitor and antioxidant; Tricresyl phosphate (TCP), used for high-temperature operation, often used as an AW and EP additive in turbine engine lubricants, and also in some crankcase oils and hydraulic fluids

  5. Motor oil - Wikipedia

    en.wikipedia.org/wiki/Motor_oil

    Phosphorus is a key anti-wear component in motor oil and is usually found in motor oil in the form of zinc dithiophosphate (ZDDP). Each new API category has placed successively lower phosphorus and zinc limits, and thus has created a controversial issue of obsolescent oils needed for older engines, especially engines with sliding (flat/cleave ...

  6. Oil additive - Wikipedia

    en.wikipedia.org/wiki/Oil_additive

    Although PTFE has been called "the slickest substance known to man", [15] [16] it would hardly do any good if it remains in the oil filter. Some mass-market engine oil additives, notably the ones containing PTFE/Teflon (e.g. Slick 50) [17] and chlorinated paraffins (e.g. Dura Lube), [18] caused a major backlash by consumers; the U.S. Federal ...

  7. We Tried Over A Dozen Olive Oil Brands And Found The 7 That ...

    www.aol.com/lifestyle/tried-over-dozen-olive-oil...

    A lot of supermarket olive oil brands are disappointing, but even the olive oil snobs among us liked Bertolli. Their extra virgin olive oil is rich and full bodied, adding a bold fruity flavor to ...

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