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

Gas stations have offered different types of gas for decades. There's a belief that high octane gas can clean your engine, ...

The best synthetic oils offer more mileage, keep the engine cleaner, perform equally well in low and high temperatures ... ILSAC engine oil licenses, along with the GM dexos1 gasoline engine ...

Liquids get thinner as they warm up, but does this happen to the oil inside a car engine? Here are the basics of motor oil ...

So, if the type and amount of ZDDP in a diesel oil is not ideal for a high-performance gasoline engine, is that the only reason not to use a diesel oil in a gasoline engine? Going back to engine ...

My mechanic recommended high-mileage motor oil and an original-equipment-quality oil filter, and the engine ran quieter, ...

which decreases fuel economy. Oil companies’ use of additives is another approach to improving and maintaining oil performance. High engine temperatures combine with moisture, combustion ...

Odometer numbers well in excess of 100,000 miles are a testament to enhanced engineering, fuel injection ... way to understand what makes oil for high mileage engines unique.

Because of these high pressures, Paul says fuel can easily leak into the valve cover and into the engine oil. This eventually creates the problem of the engine consuming and burning through oil.