1974-02-01

Low Ash Motor Oils - Performance in the Laboratory and Field 740141

Three low ash motor oils were compared to a conventional SE motor oil. The comparisons were made using the following test methods: laboratory dynamometer, road simulator, and Aunt Minnie short-trip test. The test results demonstrate that it may be possible with present technology to produce a motor oil approaching SE quality having 60-95% lower sulfated ash than most currently marketed SE performance level motor oils.

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