A quart of fully synthetic motor oil is typically under $10, yet it can be all that stands between you and having to pay thousands for a new engine. To help prevent this, of course, oil companies ...

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 ...

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 ...

Marvel Mystery Oil, or MMO, — to the uninitiated, it may sound like a magical substance concocted from secret ingredients, and in some ways, that's exactly what it is. However, others may see it as ...

The product bundles six additive functions in a dual‑cavity bottle to seal leaks, restore performance and power, and protect ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...