Spark plug indexing won't make much of a difference in your average stock car, but it can have a noticeable impact in ...

You can remove a seized spark plug by applying penetrating oil, allowing the oil to sit, and then using a ratchet and socket ...

A clean-sheet engine design always merits a second look, and when that engine is a high-tech unit designed as the ...

Stellantis’s new Hurricane 4 uses a few high-tech tricks—unusual in an engine that will be produced by the hundreds of thousands—to make significantly more power than competitors’ boosted ...

If there’s one warning light that unites every driver from Anchorage to Miami, it’s that little amber engine icon.