Synthetic motor oil is used in most modern vehicles, especially ones that are high-performance and turbo-charged. It costs ...

Old oil becomes sludgy and thick, causing friction between engine components, which increases wear and decreases engine efficiency. Regular oil changes help to: Prevent engine wear: Clean oil ...

The best synthetic oils offer more mileage, keep the engine ... of oil, unless they’re monitoring numerous aspects about their vehicle and changing their oil on their own at regular intervals.

Semi-trucks may need an oil change every 25,000 miles. That interval may vary depending on such factors as the type of fuel ...

But the array of oils you’ll find lining the shelves today—regular conventional ... thinks that synthetic oil is better and can even help prevent premature engine wear. Synthetic oil can ...

For regular use in moderate temperatures ... of laboratory and engine tests that determine the oil’s ability to protect the engine from wear and high-temperature deposits and sludge.

During break-in, there can be wear particles and other materials ... the oil in good condition directly after the oil change. Adding regular engine flushes to your routine can help remove deposits ...

Everybody makes a big deal about regular engine oil changes, and with good reason ... let's agree that both kinds wear out eventually, likely at different rates, and will need to be changed ...

In high-mileage engines that are showing signs of wear, it may be more advisable to stick with a mono-grade regular mineral oil. These oils tend to have better sealing properties, which are more ...