Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

As someone who's driven classic cars daily for around 15 years, as well as working on and restoring such cars throughout my education, I take vintage automotive maintenance very seriously. Many of ...

Q: I have a couple of friends: one swears by oil additives – especially the brand Lucas – and another claims an oil additive ruined his truck engine. What is your take on oil additives? A: Some oil ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

NanoLub is a new nanotechnology lubricant additive for improving your car's engine oil. Nanolub significantly reduces wear by the production of a thin lubricating film that withstands high pressures ...

High-mileage oil is typically used for engines with at least 75,000 miles and can include additives to help reduce wear, corrosion and leaks. With a newer vehicle, you should stick with the ...

Transplanting to SoCal from the East Coast when I took this job a few years ago, I wasn't exactly current on much of the area's lingo. Being called "fool" by my new friends threw me off at first, and ...

Question:I thoroughly enjoyed the tech article "When Good Cams Go Bad" (June '06), but I have a couple of questions: If you have an older car without a catalytic converter but don't have flat tappets, ...

Motor oil contains chemical additives that extend how long engines can run without failure, but, despite decades of ubiquity, how such additives actually work to prevent this damage have remained a ...

Viewer-submitted questions for The Car Doctor: Q: My car makes a funny sound when I turn left, like grumbling noise, but not when I turn right. Will I get charged if I bring the car to be diagnosed ...

Products are designed to address the unique challenges faced by hybrid engines, like frequent stop-start wear and moisture build-up, offering advanced protection where traditional additives fall short ...