What oil approvals are
Why manufacturers issue approvals, and how an engine's design determines what it needs from the oil.
- What are oil approvals? What are oil approvals? Or why do car manufacturers invent their own standards? Descriptions of the approvals of the major car manufacturers...
- It all starts with marketing… It all starts with marketing…It all comes down to fierce competition on the new-car market. This competition...
- Engine Design and Engine Oil The positioning of an engine shapes its design. That whole philosophy directly affects manufacturing, and in turn the requirements placed on engine oils...
- Approvals: an important parameter As a result, oil approvals are the most important parameter. That's exactly why many carmakers develop...
- In Brief: About Oil Approvals Many car manufacturers develop their own standards ( oil approvals ) that an engine oil must meet to be used in their engines. Individual engine oil brands are…
- In brief: on the compatibility of engines and oils Most modern low-viscosity Longlife oils are barred by carmakers from use in engines built before 2001. When choosing an oil, always read the engine…