New Gasoline Formulations Provide Protection Against Corrosive Engine Wear 690514

Results of recent studies show that significant supplemental protection against corrosive engine wear can be achieved by selected gasoline formulations. Several approaches are shown to be possible. Antiknock scavenger formulation and control of gasoline sulfur content are potential methods. However, a practical and much more flexible method is shown to be the use of gasoline antiwear additives. Confirmation of additive antiwear performance in laboratory engines and chassis dynamometer tests is shown in the results of thousands of miles of field tests with taxicabs operated in congested city traffic, where significant reductions in rates of increase in oil consumption were observed. In addition, the value of selected additives to the motorist is established by results obtained in fleet tests conducted in consumer car service.


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