So, it's time for new spark plugs. Your hands are covered in grease, you're twisting the ratchet, and –- snap. Half the spark plug stays lodged inside your cylinder head like a nonpaying tenant who ...

Spark plugs are typically the firestarters of an internal combustion gas engine. And when a spark plug goes wrong, it could potentially mean a host of problems like engine knocking, misfires, power ...

Today, spark plugs are pretty easy to forget. In new Corvettes, theyseem to last forever. That wasn't the case years ago and, frankly, sparkplugs are often critical when it comes to performance and ...