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Should You Use High Mileage Oil In Your Car? Well, It DependsIs special high-mileage oil worth the extra price compared to a conventional lubricant? Z. George Zhang, Ph.D. and director of Valvoline Technical International thinks so. He said there are ...
When compared to a conventional, high viscosity formulation, an optimized low viscosity, low friction engine oil ... and fuel economy, as well as a reduction in tailpipe emissions. However, the use of ...
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