Some of the spark plug myths that you should stop listening to include the claims that performance plugs add power and that ...

Replacing your spark plugs is important and usually a fairly simple process, but if they seize in the cylinder heads it's an entirely different matter.

The engine in your car, truck, or SUV can run on either copper, platinum, or iridium spark plugs. You probably heard the hype around iridium plugs and how they manage to deliver solid sparks while ...

Side gapping spark plugs can slightly increase horsepower and improve fuel efficiency. However, this DIY mod comes with a major downside for longevity.

While many drivers will be changing their spark plugs more often than ignition coils, some might wonder if both should be ...