Spark plugs sit at the center of every gasoline engine’s heartbeat, turning fuel and air into the controlled explosions that ...

Perhaps one of the most overlooked aspects of a high-performance diesel engine is its cooling system, which is often left completely stock while the rest of the powerplant is built to the hilt. On ...

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 ...