5W20 Oil Reviews

What’s the best 5W20 Oil? Let’s find out. 5W20 Oil is a multi-grade oil. Multigrade motor oil flows well in cold temperatures and still protects the engine at hotter temps. Oils have high viscosity when cold and a lower viscosity once the engine has reached its operating temperature. This difference is too large for most single-grade oil. In order to bring the difference in viscosities closer together polymer additives are added to the oil. The result is a multi-grade oil. The first number in your oil (5) is the viscosity…

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