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 ...

Most drivers know that regular oil changes are necessary to maintain the life and performance of their vehicle. For many people, changing the oil and filter every 3,000 miles is the norm, but ...

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 ...

If you want your 1974 Maserati Bora to last, use the best oil additive you can find. Photo credit: David Traver Adolphus / AutoGuide.com. Most drivers know that regular oil changes are necessary to ...

We all know that motor oil is the lifeblood of the engine, and using the best quality and highest performance oil is a vital part of not only keeping the car on the road longer, but also operating at ...

I've owned a lot of old cars in my time, so the occasional dark puddle or stain from a fluid leak on my driveway has been an all-too-common sight. My thought process is the same every time -– do I ...

We may receive a commission on purchases made from links. Broadly speaking, all products can be divided into hedonic and utilitarian categories. The former accounts for the fun stuff, like ...

It's standard for older diesel engines to emit black smoke under full load, which occurs during "turbo lag." As the diesel engine waits for the turbo to spool, the machine will blow thicker black ...