Classification
How to Choose Engine Oil According to the API
Alongside with the classification of oil according to the SAE which characterizes oil viscosity, the API classification determines its applicability...
API & ACEA & ILSAC
Alongside the SAE classification that describes oil weight, API determines its applicability to a specific engine. The most common classification...
About SAE Viscosity Classification
Letter W in between two digits is a sign of all-season oil. The first digit is the minimum below-freezing temperature...
How to Choose Engine Oil Taking into Account the SAE Viscosity Grades?
How to Choose Engine Oil Taking into Account the SAE Viscosity Grades? Expert Advice. Viscous-temperature rating of engine oil significantly...