Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

Spark plugs are essential for gas-powered engines. However, they're not all created equal. Here's what can happen if you use ...

'Forget the musclecar era, this is the golden age of horsepower. Never in the history of high performance has it been easier and less expensive to make killer power. Face it, 500 hp is the new 400 hp, ...

Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes ...

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

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 ...

If you've ever seen a mechanic draw a tiny line on a spark plug before changing it, they're not performing witchcraft — they're indexing it. The idea is simple. Most standard types of spark plugs have ...

On the surface,spark plug wiresare a pretty basic part they carry spark energy from the distributor (or coil) to the spark plugs. But when you actually go to purchase a set, you find out that there ...

An internal combustion engine needs three things to get going: Air, fuel, and spark. The throttle body and intake plenum feed air, while injectors spray the right fuel mix into the combustion chamber.