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The synthetic oil in your car's engine has an incredibly challenging job. In an instant, the cold oil resting in your engine's sump needs to surge its way to the valve gear and then back to the sump ...

There is good news and bad news when it comes to the 15,000 mile oil change — a standard five times longer than those often recommended by the quick-lube merchants. The good news: Yes, it is possible ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...

Maintaining engine lubricating oil is a very important element in stretching the productive life of engines. “First and foremost, engine oil provides lubrication which keeps moving parts apart; ...

To your first question: the best time to make the switch (with a new car), is after the first oil change. Synthetic oils do such a great job of lubricating that they don't allow a new engine to "break ...

When I bought my 2011 Toyota Camry, the dealer told me that the synthetic oil didn’t need to be changed so often, say only about every 10,000 miles or so. Since I had free service at the dealer ...

Dear Car Talk: When I bought my 2011 Toyota Camry, the dealer told me that the synthetic oil didn't need to be changed so often, say only about every 10,000 miles or so. Since I had free service at ...