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

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 ...

Spark plugs are pretty crucial to internal combustion engines, but can swapping old plugs for new ones really improve your ...

Add Yahoo as a preferred source to see more of our stories on Google. A man changing the spark plug on a lawn mower - Fertnig/Getty Images If you own a gas-powered lawn mower, whether it is a compact ...

Add Yahoo as a preferred source to see more of our stories on Google. When an air-fuel charge burns inside an engine's cylinder, some of the heat that is produced gets absorbed by the spark plug. The ...