For years, drivers were told that they needed to change their car's oil every 3,000 miles. But as engines have grown more ...

Synthetic oil is used in most modern vehicles ... oil cannot get warm enough to burn off moisture and impurities. Change oil ...

These days the 3,000-mile oil-change interval is generally ... This is true of both high-end synthetic and good old conventional. The science of lubrication is miles ahead of where it once was.

Do one extra oil change per year,” a viewer advised. “Most technicians tell me with full synthetic oil should be good for 7-10k miles.. i never listen to them or neither the car computer..

Keeping up with regular vehicle maintenance is one way to get the most life out of a vehicle and save money on repair costs ...