A quality set of spark plugs for a Dodge Challenger Hemi V8 runs about $350 in parts, and with gasoline above $4 a gallon the ...

Regardless of the type of spark plug used by your car, chances are high that without proper engine maintenance, you could experience spark plug fouling. Fouled spark plugs cause misfires, rough idle, ...

Spark plugs aren't just essential to making your engine run; they also give you insight into how well it's running. When you ...

The spark plugs in a gasoline engine are not universal, one-size-fits-all components. Plugs are made of a variety of materials with different electrode setups and thread configurations, and knowing ...

The unexpected pitfalls behind the word 'high performance'-When it comes to automotive spark plugs, standard plugs using ...

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

Discover why Mercedes-Benz used 12 spark plugs in a V6 engine. Explore how this clever engineering trick impacted performance and efficiency.

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...

Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...

We earn commissions from purchases you make using links in our articles. Learn more. You’re likely aware that in order to keep your vehicle running in great shape, you’ll need to replace the spark ...