The "W" stands for winter, and the number before it indicates how the oil flows at cold temperatures. Special Considerations for Your Engine Not all engines have the same needs.
Understanding Oil Weight for Older Engines
This is usually expressed as a number followed by a letter, such as 5W-30 or 10W-40. Decoding the Label: API and ACEA Ratings Beyond the viscosity grade, the numbers and letters on the oil container tell you about its performance standards.
If you drive a high-mileage vehicle, you might consider a high-mileage oil blend. It performs well for standard driving conditions and older engines with larger tolerances.
Oil Weight for Older Cars: What You Need to Know
A lower number like 5W means the oil is thinner and flows better in cold weather, ensuring protection right after you start the engine. The engine oil acts as the lifeblood of your vehicle, reducing friction, cooling components, and cleaning the internal parts.
More About What oil do i need for my car
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