The motor oil that goes into your vehicle may be different than what’s required for other vehicles. It’s all identified by viscosity, which is the fluid’s resistance to flow. There are two numbers in motor oil. The one before the "W" is the grade equivalent when the oil’s viscosity is at room temperature. The number after the "W" is the equivalent grade oil when the viscosity is at 100 degrees Celsius.
Motor oil thins out when it gets hot and thickens when it cools. You have to choose the correct motor oil for your vehicle based…