AMSOIL API diesel oil specifications. The American Petroleum Institute, or API, is the only national trade association that represents all aspects of America's oil and natural gas industry including production, refinement, … [Read more...]
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Motor Oil Testing with Turbo Charged Engines
Testing proves AMSOIL Signature Series 5W-30 Synthetic Motor Oil provides more complete protection against damaging deposits than its competitors. The push toward smaller, fuel-efficient, yet powerful engines has driven the development of several key technologies. Gasoline direct injection (GDI) and turbochargers are now common features of passenger cars and light trucks. By 2020, industry experts […]
OEM Diesel license 2017
AMSOIL’s CK-4 diesel products will not carry any OEM licenses at launch. They will be recommended for OEM specifications, but not be licensed. Our new CK-4 products will not be API licensed. The API licensing system is a voluntary certification that sets minimum quality standards, which is important. Because it is a standard, licensing limits the flexibility […]