In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

Side gapping a spark plug means shortening the ground electrode in order to give the flame a more direct path to the air/fuel ...

Discover the top 5 genius ideas that reveal the secret world of spark plugs! In this enlightening video, we delve into spark ...

In olden times, part of the ritual of changing your engine's spark plugs was making sure that the gap was set correctly for optimum performance. That is, the distance between the spark plug's center ...

For most street engines, it’s a great idea to choose a spark plug with an extended reach tip. These plugs offer the same heat range options but push the spark out a few millimeters closer to the ...

Gasoline internal combustion engines need three fundamental things: fuel, oxygen, and spark. The sexy aspects of modifying cars are focused on the first two elements: Double Pumper carburetors, ...

If your lawn mower runs on gas, then you've got a spark plug tucked inside the engine that plays a bigger role than you might think. Spark plugs are what fire up the engine in the first place. They ...