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Use of lubricating oil compositions to reduce wear in passenger car motor engines having a rotating tappet
Use of lubricating oil compositions to reduce wear in passenger car motor engines having a rotating tappet
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机译：润滑油组合物用于减少具有旋转挺杆的乘用车发动机中的磨损的用途
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摘要
The present invention relates to a method of lubricating a passenger car motor vehicle engine having a rotating tappet, comprising lubricating the engine with a lubricating oil composition having up to 0.09 wt% phosphorus, 0.4 wt % sulphur and 1.0 wt% sulphated ash, and being substantially free of friction-modifier.
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