| abstract |
Internal combustion engine crankcase lubricating oil composition (or lubricant), more particularly for use in piston engines, in particular gasoline (spark ignition) and diesel (compression ignition), compositions suitable for lubrication; and wear Providing additives in such compositions to alleviate. An internal combustion engine crankcase lubricating oil composition comprising a metallic detergent additive system comprising a phosphorus content of 0.08 wt% or less and a calcium salicylate and magnesium salicylate and a mass ratio of magnesium to calcium atoms greater than one. [Selection figure] None |