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2. Oil additive - Wikipedia

   en.wikipedia.org/wiki/Oil_additive

   The choice of additives is determined by the use, e.g. the oil for a diesel engine with direct injection in a pickup truck (API Service CJ-4) has different additives than the oil used in a small gasoline-powered outboard motor on a boat (2-cycle engine oil).

3. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   An engine oil using a polymeric viscosity index improver (VII) must be classified as multi-grade. Breakdown of VIIs under shear is a concern in motorcycle applications, where the transmission may share lubricating oil with the motor. For this reason, motorcycle-specific oil is sometimes recommended. [18]

4. Bardahl - Wikipedia

   en.wikipedia.org/wiki/Bardahl

   Its original factories were located in Ballard. In the mid-1950s, Bardahl was the leading brand of motor oil and oil additives in the United States. Bardahl's oil additive was advertised during the 1950s in magazines and animated TV commercials which showed the product's effectiveness in combating engine problems such as "Dirty Sludge", "Sticky Valves," "Gummy Rings," and "Blackie Carbon," all ...

5. Afton Chemical - Wikipedia

   en.wikipedia.org/wiki/Afton_Chemical

   Afton Chemical offers engine oil additives for passenger car, motorcycle, medium speed diesel and heavy-duty engines, as well as olefin copolymer viscosity index improvers. [3] Fuel Additives. Afton Chemical produces fuel additives for gasoline and diesel vehicle performance, octane levels, home heating oil, and fuel specification and ...

6. STP (motor oil company) - Wikipedia

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

   STP is an American brand of automotive aftermarket products, especially lubricants such as motor oil and motor oil additives. The name began as an abbreviation of Scientifically Treated Petroleum. The brand has been owned by Energizer Holdings since November 2018. [1]

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. Friction modifier - Wikipedia

   en.wikipedia.org/wiki/Friction_modifier

   Organo-molybdenum compounds, were initially developed as antiwear additives but were later recognized to be very effective in reducing boundary friction. [3] They are currently used in many engine oils and, more recently, in gear oils. [1] They reduce friction by forming two-dimensional molybdenum disulphide layers on rubbing surfaces. [4]

9. Zinc dithiophosphate - Wikipedia

   en.wikipedia.org/wiki/Zinc_dithiophosphate

   Roller camshafts/followers are more commonly used to reduce camshaft lobe friction in modern engines. [4] There are additives, such as STP Oil Treatment, and some racing oils such as PurOl, PennGrade 1, and Valvoline VR-1, Kixx Hydraulic Oil which are available in the retail market with the necessary amount of ZDDP for engines using increased ...