Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...

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 ...

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Spark plug lifespan depends on the electrode material. Copper plugs last 20,000 to 30,000 miles, platinum plugs last aro ...

Fitting bigger spark plugs might sound like a recipe for improving power output, but it can have catastrophic consequences for your engine.