High-mileage engines need more maintenance attention, but does that mean you should use thicker oil? Before adding any, ...

Most oil manufacturers advertise specific lines of engine oil made for high mileage vehicles ... blended semi-synthetic as this results in the best combination of qualities and right density balance.

Simply changing your oil on a regular mileage-based schedule ... but there are other ways to care for your engine internals. Using the best engine oil additive can help improve the performance ...

As the single most important fluid in any internal combustion engine—even that mystical rotary business—running the right oil is paramount ... guide of the best high-mileage engine oils ...

Special additives included in the formulation ... Conventional Conventional 1 quart/5 quart $4-$19 Best high-mileage engine oil Valvoline High Mileage with MaxLife Synthetic Blend Synthetic ...

Read more: 11 Best Motor Oil Brands In ... Depending on the manufacturer, high-mileage engine oil has more seal enhancers and ...

and anti-wear additives. Those extra ingredients can help older engines function more smoothly and slow down the development ...

The best synthetic oils offer more mileage ... reputation with high-performance vehicle owners. The company’s API-licensed oils carry the current API and ILSAC engine oil licenses, along ...

high-mileage oils usually boast more detergents designed to clean out sludge inside the engine, plus other additives meant to reduce wear on moving parts. Every motor oil, though, makes similar ...