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 ...

No two racecars are exactly the same. We all have our own little quirks or favorite ways of doing things that make even tube-frame cars from the manufacturer a little bit different. Changes to the ...

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Spark plugs are the heart of your car’s ignition system. If yours are worn out, ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

Like rotating tires or changing oil, replacing spark plugs is a job that can be easily, and inexpensively, done in the confines of your own home. Although they don’t need maintenance as often as the ...

For hot rodders, spark plugs are often nothing more than inspection tools that reveal whether an engine is running too rich, too lean, or just right. Street guys look for a nice tannish-brown tint on ...