For years, drivers were told that they needed to change their car's oil every 3,000 miles. But as engines have grown more efficient and oil formulas have improved, that rule of thumb is no longer a ...

On the internet, there’s a pretty standard piece of advice regarding oil changes. The advice goes like this: After 3,000 miles, you should change your oil. While common, this advice is hotly contested ...

Oil reduces friction between rubbing surfaces and protects the engine from wear by creating a thin film. After the car has been idle, all the oil accumulates in the sump. When starting the engine and ...

Everybody makes a big deal about regular engine oil changes, and with good reason. Just like any other part of a vehicle, oil ...