Choosing the right engine oil can feel like an overwhelming task, especially with all those numbers and letters on the bottle. Wondering what happens if you put 10w30 instead of 5w30? This article explores the differences, how they can affect your engine's performance, especially in different weather conditions, and why manufacturers prefer certain grades. If you're tinkering in your garage or just trying to extend your engine's life, understanding these oil grades is a step in the right direction.
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