Your engine's spark plugs are absolutely vital to the longevity and clean running of your engine. That's why they need to be changed regularly, and properly. Here's how to do that without making a ...

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 ...

Diesel engines require on heated and compressed air to run efficiently. Glow plugs and intake heaters help make that happen, ...

If you consider your spark plugs little more than disposable engine parts to be replaced for every event or two, you're missing out on a valuable engine-tuning tool. Not only can the correct plug ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark plugs. Here's why.

With any vehicle, routine maintenance is a key essential in keeping you car running in tip-top condition. When spark plug wires fail, a car will hesitate, stumble, and run erratic, especially going up ...

In the early '70s, Mopar changed the concept of a tune-up with the introduction of the breakerless, capacitor-discharged ignition system. Thus began the evolution of electronic engine controls. since ...

Spark plugs can get wet for any number of reasons -- they can be covered in fuel, water or oil -- but if that's the case, ...

New catalogs, brochures, and information from our advertisers Motor Plugs Allow Quick Motor Change-Outs Meltric’s UL switch rated Motor Plugs reduce downtime by allowing quick motor change-outs and ...

Keeping up with your car is important, as cold weather affects plenty of its components negatively. But do spark plugs suffer ...