A lubricating oil composition comprising: greater than 50 wt.% of a base oil, based on a total weight of the lubricating oil composition; and an additive composition comprising: an amount of one or more zinc dialkyl dithiophosphate(s) sufficient to provide from about 350 ppm to about 2200 ppm zinc to the lubricating oil composition, based on the total weight of the lubricating oil composition, an amount of one or more molybdenum-containing compound(s) sufficient to provide greater than 1 ppm to about 3000 ppm of molybdenum to the lubricating oil composition, based on the total weight of the lubricating oil composition, and an amount of one or more magnesium-containing detergent(s) sufficient to provide less than 2050 ppm magnesium to the lubricating oil composition, based on the total weight of the lubricating oil composition, one or more calcium-containing detergent(s) in an amount sufficient to provide from 500 ppm to 2000 ppm of calcium to the lubricating oil composition, based on the total weight of the lubricating oil composition; wherein the lubricating oil composition has a total TBN of less than 7.25 mg KOH/g, as measured by the method of ASTM D-2896, and a weight ratio of ppm of zinc from the one or more zinc dialkyl dithiophosphate(s) to ppm of molybdenum from the one or more molybdenum-containing compound(s), is less than 10. greater than 50 wt.% of a base oil, based on a total weight of the lubricating oil composition; and an additive composition comprising: an amount of one or more zinc dialkyl dithiophosphate(s) sufficient to provide from about 350 ppm to about 2200 ppm zinc to the lubricating oil composition, based on the total weight of the lubricating oil composition, an amount of one or more molybdenum-containing compound(s) sufficient to provide greater than 1 ppm to about 3000 ppm of molybdenum to the lubricating oil composition, based on the total weight of the lubricating oil composition, and an amount of one or more magnesium-containing detergent(s) sufficient to provide less than 2050 ppm magnesium to the lubricating oil composition, based on the total weight of the lubricating oil composition, one or more calcium-containing detergent(s) in an amount sufficient to provide from 500 ppm to 2000 ppm of calcium to the lubricating oil composition, based on the total weight of the lubricating oil composition; an amount of one or more zinc dialkyl dithiophosphate(s) sufficient to provide from about 350 ppm to about 2200 ppm zinc to the lubricating oil composition, based on the total weight of the lubricating oil composition, an amount of one or more molybdenum-containing compound(s) sufficient to provide greater than 1 ppm to about 3000 ppm of molybdenum to the lubricating oil composition, based on the total weight of the lubricating oil composition, and an amount of one or more magnesium-containing detergent(s) sufficient to provide less than 2050 ppm magnesium to the lubricating oil composition, based on the total weight of the lubricating oil composition, one or more calcium-containing detergent(s) in an amount sufficient to provide from 500 ppm to 2000 ppm of calcium to the lubricating oil composition, based on the total weight of the lubricating oil composition; wherein the lubricating oil composition has a total TBN of less than 7.25 mg KOH/g, as measured by the method of ASTM D-2896, and a weight ratio of ppm of zinc from the one or more zinc dialkyl dithiophosphate(s) to ppm of molybdenum from the one or more molybdenum-containing compound(s), is less than 10.