Can stuck piston rings be restored without teardown? A 500,000-mile Valvoline engine test shows how deposit removal may ...

This might be the cleanest engine we've ever seen torn down.

Even if the engine in your car runs poorly, the thought of taking it completely apart for a rebuild can be frightening. After all, it is running; and since you've never tackled such a major job before ...

If you’re not heading to a dealership to service your car, quick lube shops are the usual next stop. They’re quite accessible ...

GM rolled out the 3.0-liter Duramax LM2 as its answer for folks who wanted diesel power in a half-ton truck or SUV, but ...