A lubricating oil composition comprising: greater than 50 wt.% of a base oil of lubricating viscosity; and an additive composition comprising: one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and one or more zinc dialkyl dithiophosphate compounds, wherein the one or more zinc dialkyl dithiophosphate compounds are derived from a molar ratio of secondary alcohol to primary alcohol of from 20:100 to 100:0, and have an average total carbon content of greater than 10 to 15 carbon atoms per mole phosphorus and the zinc dialkyl dithiophosphate compound is present in an amount of from 0.01 wt.% to 15 wt.% based on the total weight of the lubricating oil composition; the lubricating oil composition includes an amount of the overbased calcium-containing detergent that provides greater than 900 ppm by weight to less than 2400 ppm by weight of calcium to the total weight of the lubricating oil composition, and the lubricating oil composition contains 325 to 850 ppmw of phosphorus, based on a total weight of the lubricating oil composition. greater than 50 wt.% of a base oil of lubricating viscosity; and an additive composition comprising: one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and one or more zinc dialkyl dithiophosphate compounds, wherein the one or more zinc dialkyl dithiophosphate compounds are derived from a molar ratio of secondary alcohol to primary alcohol of from 20:100 to 100:0, and have an average total carbon content of greater than 10 to 15 carbon atoms per mole phosphorus and the zinc dialkyl dithiophosphate compound is present in an amount of from 0.01 wt.% to 15 wt.% based on the total weight of the lubricating oil composition; the lubricating oil composition includes an amount of the overbased calcium-containing detergent that provides greater than 900 ppm by weight to less than 2400 ppm by weight of calcium to the total weight of the lubricating oil composition, and the lubricating oil composition contains 325 to 850 ppmw of phosphorus, based on a total weight of the lubricating oil composition. one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and one or more zinc dialkyl dithiophosphate compounds, wherein the one or more zinc dialkyl dithiophosphate compounds are derived from a molar ratio of secondary alcohol to primary alcohol of from 20:100 to 100:0, and have an average total carbon content of greater than 10 to 15 carbon atoms per mole phosphorus and the zinc dialkyl dithiophosphate compound is present in an amount of from 0.01 wt.% to 15 wt.% based on the total weight of the lubricating oil composition; the lubricating oil composition includes an amount of the overbased calcium-containing detergent that provides greater than 900 ppm by weight to less than 2400 ppm by weight of calcium to the total weight of the lubricating oil composition, and the lubricating oil composition contains 325 to 850 ppmw of phosphorus, based on a total weight of the lubricating oil composition. <EOS>