Healthy engine oil should be light brown, so if yours is black, you may be wondering if it's time for an oil change. Here's ...

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Getting your engine oil changed regularly is one of the most important things you can do for your vehicle. Not only does this ...

It's also smaller, lighter, and generally more efficient overall than a big old ... engine, aside from sticking to your maintenance schedule, is to use specially formulated turbo oil.

One of the main goals of GF-7 engine oil is to reduce engine friction, which, in turn, improves fuel economy. The new spec has stricter limits on engine wear and deposit formation and supports ...