When your oil is due for a change (or is just running low) you require conventional motor oil, EV motor oil, high mileage motor oil, synthetic or synthetic blend motor oil, or high-performance ...

Many of the “I change oil ... your engine, or can’t get the correct high-mileage oil–then change it sooner. As I previously wrote, oil tech has changed. Old-school 3,000-mile changes were a relic of ...