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The viscosity index of synthetic base oils is higher than that of conventional petroleum base oils. Pure, Uniform Molecules Form Strong, Stable Lubricants. Petroleum oils have molecular structures that are randomly organized and, consequently, have limited performance abilities.
When you change your car's engine oil you have a lot of choices, including the use of synthetic oil or conventional oil.Most wonder what the benefits are of using synthetic vs. conventional oil. And if it's really worth the money. Conventional motor oil is a lubricant that is derived directly from crude oil.ost wonder what the benefits are of using synthetic vs. conventional oil. And if it's really worth the money. Conventional motor oil is a lubricant that is derived directly from crude oil.