Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and maintenance ...

All things lead to the spark plug. You can spend all the money you want in fancy intakes, cylinder heads, or engine management, but if you're not paying attention to the most important step in the ...

This animated film "Spark In The Firing Line" provides an in-depth look at the ignition system of modern motor vehicles, focusing on the role of spark plugs in igniting fuel within the combustion ...

For hot rodders, spark plugs are often nothing more than inspection tools that reveal whether an engine is running too rich, too lean, or just right. Street guys look for a nice tannish-brown tint on ...

All things lead to the spark plug. You can spend all the money you want in fancy intakes, cylinder heads, or engine management, but if you're not paying attention to the most important step in the ...