| abstract |
Disclosed is a lubricating oil composition comprising: a substantial amount of an oil of lubricating viscosity, and a saliculus derived from an isomerized normal alpha olefin (NAO) having from about 10 to about 40 carbon atoms acid salt compound, wherein the TBN of the salicylate compound is at least 600 mg KOH/g based on actives, and wherein the lubricating oil composition contains from about 0.12 wt% to about 0.17 wt% calcium and is substantially free of magnesium . Also provided is a method of lubricating an engine with the lubricating oil composition. |