The number after the dash represents the viscosity at the engine's normal operating temperature, with higher numbers indicating a thicker, more resistant oil. Detergents keep the engine clean, dispersants prevent sludge from forming, and anti-wear additives protect critical components like the camshaft and bearings.
Choosing the Right Viscosity for Hot Climates
The oil in your engine serves as its lifeblood, reducing friction, cleaning internal components, and managing the intense heat generated by combustion. Decoding the Numbers on the Bottle The first step in answering " what engine oil to use for my car " is understanding the labeling system.
Conventional Divide Once you understand viscosity, you must decide on the type of oil: conventional, synthetic, or a blend. The "W" stands for winter, and the number preceding it indicates the oil's viscosity, or thickness, in cold temperatures.
Choosing the Right Oil for Hot Weather Conditions
Some oils are formulated specifically for high-mileage engines, containing seal conditioners to prevent leaks, or for racing applications, containing friction modifiers to reduce power loss. Viscosity: The Foundation of Protection Viscosity is the single most critical property of engine oil.
More About What engine oil to use for my car
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More perspective on What engine oil to use for my car can make the topic easier to follow by connecting earlier points with a few simple takeaways.
