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  2. 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 ...

  3. Extreme pressure additive - Wikipedia

    en.wikipedia.org/wiki/Extreme_pressure_additive

    Oil-soluble organophosphates, with or without zinc, have excellent high-pressure and antiwear properties, and provide corrosion protection especially in presence of chlorinated hydrocarbons. Zinc dialkyldithiophosphates (ZDDP) start decomposing at 130-170 °C, while the activation temperature of tricresyl phosphate (TCP) typically exceeds 200 ...

  4. SAE J300 - Wikipedia

    en.wikipedia.org/wiki/SAE_J300

    The SAE has a separate viscosity rating system for gear, axle, and manual transmission oils, SAE J306, which should not be confused with engine oil viscosity. The higher numbers of a gear oil (e.g., 75W-140) does not mean that it has higher viscosity than an engine oil 20W-50.

  5. Antiwear additive - Wikipedia

    en.wikipedia.org/wiki/Antiwear_additive

    zinc dithiophosphate (ZDP) 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 ...

  6. STP (motor oil company) - Wikipedia

    en.wikipedia.org/wiki/STP_(motor_oil_company)

    The #43 driven by Bobby Hamilton at Phoenix International Raceway. In 1970, STP CEO Andy Granatelli founded the STP Formula One Team. Mario Andretti was hired to drive. The team competed in a total of five races running a March Engineering chassis, their best result being a third place at the 1970 Spanish Grand Prix.

  7. Quaker State - Wikipedia

    en.wikipedia.org/wiki/Quaker_State

    Quaker State is an American brand of motor oils, owned by Shell USA, the US-based division of Shell plc.. The former Quaker State Oil Refining Company had been constituted in 1924 after the Eastern Refining Co. acquired rights to the Quaker State brand name to the Phinny Brothers Oil Company, which had been producing the Quaker lubricants since 1912, gaining reputation in the U.S. after a deal ...

  8. Havoline - Wikipedia

    en.wikipedia.org/wiki/Havoline

    In 1968 'Improved Havoline & All Temperature Havoline' were introduced, followed by Havoline Super-Premium All Temperature Motor Oil in 1971. In 1979 Texaco ends the decade with a new product called Havoline Supreme 10W-40, which superseded Havoline Super-Premium. In 1984 a major breakthrough came with the SAW 20W-50 to keep up with growing demand.

  9. Valvoline - Wikipedia

    en.wikipedia.org/wiki/Valvoline

    By the 1890s, Valvoline oil was associated with winning race cars. [8] During the early 20th century, Valvoline was the recommended motor oil for the Ford Model T. [4] In 1949, Ashland Inc. purchased the Freedom-Valvoline Company. [9] By 2016, Ashland's Valvoline subsidiary accounted for about 37% of the parent company's annual revenue. [4]

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