Lubricant additive to prevent camshaft and valve train wear in high performance turbocharged engines
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United States of America Patent
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May 16, 1995
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app pub date -
Mar 21, 1994
filing date -
Apr 22, 1992
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Abstract
A lubricating oil composition for high-performance gasoline and diesel engines comprising: (a) a major amount of a base oil having a lubricant viscosity; (b) a zinc dithiophosphate antiwear/antioxidant additive; and (c) a minor amount of an organic phosphate-ester as antiwear extreme wear additive.
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