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Hawthorne and Lawndale Auto Repair

14929 Prairie Ave , Lawndale, CA 90260
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Monthly Archives: February 2024

What Do Engine Oil Grades Mean?

What Do Engine Oil Grades Mean?

Choosing the right engine oil for your vehicle can sometimes feel like navigating a maze of numbers and letters. Engine oil grades, often represented by combinations such as 5W-30 or 10W-40, play a crucial role in maintaining the health and performance of your car's engine. What Do Engine Oil Grades Mean? Engine oil grades consist of two parts: the viscosity grade and the performance level. The viscosity grade, represented by the numbers before the "W" (which stands for winter), indicates the oil's flow characteristics at different temperatures. Lower numbers indicate thinner oils that flow more easily at low temperatures, while higher numbers denote thicker oils that provide better protection at high temperatures. Viscosity Grades The viscosity grade of engine oil is crucial for ensuring proper lubrication and protection of ... read more

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