The installation of quality spark plugs and new ignition wires is one of the best things you can do for the performance and appearance of your engine. Even for those with just a flirting acquaintance ...

The space, or gap, between the center and side electrodes needs to be an exact distance across; otherwise, your plugs don't fire efficiently. Adjusting the distance between the two electrodesis called ...

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 ...

Have you ever watched your Mustang's ignition system in the dark with the engine running? Because ignition systems produce 20,000 to 50,000 volts of high-energy electricity, a certain amount escapes ...

For an engine family as ubiquitous as the small-block Chevy, dozens of ignition wire sets are available, either over the counter at your local auto parts store or from the performance aftermarket, but ...

You have to be careful about swapping spark plugs around, but some wrenching enthusiasts might wonder if spark plug wires are important keep track of, too.