10w30 vs 5w30: What Really Happens If You Swap Your Engine Oil?
Ever wondered if you can use 10w30 instead of 5w30 in your car? This article breaks down the real-world effects of swapping these two common grades of engine oil. It explains how oil viscosity works, what car manufacturers expect, and what could go wrong with performance and engine life. You’ll also get some practical tips to help you decide what’s best for your vehicle. Let’s make sure your engine stays healthy without any guesswork.