Engine oil can - FANXUN - Page 23

Should I Use Thicker Oil in a High Mileage Engine? – 2025 Latest Guide

If your car has racked up over 75,000 miles, you’ve probably heard that switching to a thicker oil—or high mileage oil—might be a smart move. But is it really necessary? Will it protect your aging engine or just make things worse? Let’s explore this from a real-world driver’s perspective. Whether you’re dealing with oil leaks, […]