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 ...

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

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 ...

Vehicles, like every other mechanical body of work that has ever been put together, require regular maintenance to stay in optimal shape. The magic is in the boring details; Routine procedures like ...

Diesel engine oil additives are popular add-on layers of protection, but many of their cornerstone benefits are already engineered into base lubricants. Brian Humphrey, OEM technical liaison for Petro ...

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’ve got a 2005 Honda Accord V-6 with only 78,000 miles on it. I have changed the oil religiously according to the owner’s manual from the day I purchased it new. Within this last year it has ...

Additives represent 15 to 20 percent of a gallon of oil with the balance being high-quality base oil. Additive packages play a key role in helping to keep an engine clean and protected from varnish ...