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4S shop's so-called "dedicated" engine oil is only SAE, API and other similar industry standards, because oil engine manufacturers will not develop oil according to a certain model, so there is no so-called "special car", "original oil" situation And those products that are packaged as "original oil" are actually produced by OEMs, and even commercial oils. The reason why this happens is that it is only the practice of car manufacturers seeking profits. Second, it is appropriate to select the oil that meets the environment in which the vehicle is used.
What kind of oil is used for turbocharged vehicles? Generally speaking, turbocharged engines of the same displacement are more powerful than naturally aspirated engines, and parts are more susceptible to wear. As a result, turbocharged engines require good oil resistance, high temperature resistance, and high oil film strength. It is recommended to choose full synthetic oil or semi-synthetic engine oil. Because the viscosity of the synthetic oil is small due to temperature changes and high temperature resistance, it can guarantee the film strength, so it is the best choice for turbocharged models.
Full synthetic oil for all cars?
In theory, all cars can be fully synthetic motor oils. Synthetic motor oils are favored by many owners because of their good wear resistance and stable viscosity. But are all cars suitable for fully synthetic motor oils? The answer is no, for most cars, full synthetic oil is a good choice, but its thin film characteristics do not apply to older cars that have more serious wear, or to economic models with less accurate engine processing, because usually The gap between engine parts of these two types of models is relatively large, and the fully-composite thin oil film does not play a good role in lubrication, resulting in unnecessary wear, resulting in the purchase of high-priced synthetic oil at a high price, and the anti-wear effect is not as good as that of mineral oil. . Therefore, although the “fine grain†is delicious, it is not necessarily enough to fill the belly. Full synthetic oil is not suitable for all cars.
Synthetic motor oil is so good, all cars are applicable?