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, ...

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 ...

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 ...

A gas engine needs fuel, air, and spark to get its internals chugging along. Take any of these out of the equation and the engine will have a fit. While the automotive industry shifts toward fully ...