How important are oil additives in effective lubrication.

Whenever oil performance is discussed viscosity is the main focus. Seldom is the importance of additives in oil given center stage.

What are oil additives?

Additives are organic or inorganic compounds dissolved or suspended as solids in oil. They typically make up between 0.1 to 30 percent of the oil volume, depending on the application. Additives have three basic roles:

1. Enhance existing base oil performance with