Iridium spark plugs are more expensive, last far longer, and handle heat better than copper spark plugs -- but not all ...

If you ever want to start a heated group discussion in a group of auto gear-head DIYers, simply ask what’s the best spark plug to use? As many opinions and reasons will start flying, as if you asked ...

What are the causes of spark plug fouling in your car? What other issues can lead to it, and how can you work to remedy or ...

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 ...

Not every driver knows how often they need to change spark plugs in their car. The frequency is determined by many factors, such as the material from which the center electrode is made, the operating ...

Aviation spark plugs come in two primary types: massive electrode (durable, cost-effective, shorter lifespan) and fine-wire (superior performance, extended lifespan, higher cost), with selection ...

Iridium or platinum spark plugs -- which should you choose for your car? Here's how they compare when it comes to performance ...