Research on the Variation of Engine Oil Performance with Mileage
Engine oil is known as the"blood"of the engine and is crucial for the engine's lifespan.As the mileage increa-ses,the performance and physicochemical parameters of the engine oil gradually change,affecting the engine's related per-formance.Through driving experiments,samples of fully synthetic gasoline engine oil ACEA C3 5W-30 were obtained at different mileages.By analyzing the performance such as kinematic viscosity,TBN,MRV,acid value,oxidation value,ni-tration value,four-ball test,and elemental analysis of the samples,the changing trends of each physicochemical perform-ance with mileage were obtained,providing certain guidance for the oil change cycle.
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