Using the wrong viscosity can lead to poor fuel economy, insufficient lubrication, or even engine damage over time. The number after the slash represents the thickness of the oil at high operating temperatures; a higher number like 40 or 50 indicates a thicker oil that maintains a strong film between moving parts under heat.
Understanding 10w40 Oil Viscosity and Engine Protection
With so many options available on the market, understanding the specifications and requirements can feel overwhelming. These formulas contain special conditioners that help rejuvenate older engine seals, reducing leaks and oil consumption.
Understanding the Basics: Viscosity and Grade The first thing to look at when asking, " what oil do i need for my car ," is the viscosity grade. Manufacturers specify the exact viscosity grade for your engine for a reason.
Understanding 10w40 Oil for Car Engine Performance and Protection
This is usually expressed as a number followed by a letter, such as 5W-30 or 10W-40. Synthetic Oil Once you know the viscosity, you must decide on the type of oil.
More About What oil do i need for my car
Looking at What oil do i need for my car from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on What oil do i need for my car can make the topic easier to follow by connecting earlier points with a few simple takeaways.
