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  2. SAE J300 - Wikipedia

    en.wikipedia.org/wiki/SAE_J300

    The grades with a W designation are considered Winter-grades, and denote an engine oil's low-temperature properties, while non-winter grades denote an engine oil's properties at the operating temperature of an engine. [5] The SAE 8 through SAE 16 viscosity grades describe oils that can improve fuel economy through reduced hydrodynamic friction ...

  3. Motor oil - Wikipedia

    en.wikipedia.org/wiki/Motor_oil

    Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives , detergents, dispersants , and, for multi-grade oils, viscosity index improvers .

  4. Octane rating - Wikipedia

    en.wikipedia.org/wiki/Octane_rating

    An octane index can be of great service in the blending of gasoline. Motor gasoline, as marketed, is usually a blend of several types of refinery grades that are derived from different processes such as straight-run gasoline, reformate, cracked gasoline etc. These different grades are blended in amounts that will meet final product specifications.

  5. Viscosity index - Wikipedia

    en.wikipedia.org/wiki/Viscosity_index

    Historically, there were two different oil types recommended for usage in different weather conditions. As an example, with winter oils and cold starting the engines, and with temperature ranges from, say, −30 °C to 0 °C, a 5 weight oil would be pumpable at the very low temperatures and the generally cooler engine operating temperatures.

  6. List of crude oil products - Wikipedia

    en.wikipedia.org/wiki/List_of_crude_oil_products

    U.S. Energy Information Administration: World Crude Oil Prices Archived 2008-11-10 at the Wayback Machine; BP Crude Grades; Intertek: Crude Oil Grades and Types; MeGlobalOil: Carriage of Heavy Grade Oil; Statoil.com: Crude oil assays; EnergyIntel.com: The Crude Oils and their Key Characteristics; Capline system crude oil properties and quality ...

  7. Two-stroke oil - Wikipedia

    en.wikipedia.org/wiki/Two-stroke_oil

    The oil is dyed blue to make it easier to recognize in the gasoline. It appears black in this bottle because it is not diluted. Two-stroke oil (also referred to as two-cycle oil, 2-cycle oil, 2T oil, or 2-stroke oil) is a special type of motor oil intended for use in crankcase compression two-stroke engines, typical of small gasoline-powered ...

  8. NLGI consistency number - Wikipedia

    en.wikipedia.org/wiki/NLGI_consistency_number

    NLGI's classification defines nine grades, each associated to a range of ASTM worked penetration values, measured using the test defined by standard ASTM D217 “cone penetration of lubricating grease”. This involves two test apparatus. The first apparatus consists of a closed container and a piston-like plunger.

  9. Synthetic oil - Wikipedia

    en.wikipedia.org/wiki/Synthetic_oil

    A sample of synthetic motor oil. Synthetic oil is a lubricant consisting of chemical compounds that are artificially modified or synthesised. Synthetic oil is used as a substitute for petroleum-refined oils when operating in extreme temperature, in metal stamping to provide environmental and other benefits, and to lubricate pendulum clocks.

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