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 ...

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 ...

PITTSBURGH, July 17, 2018 /PRNewswire/ -- "I came up with the idea for this convenient tool to help with my work as a mechanic," said an inventor from Covington, La. "I had the idea while I was ...

Most drivers know that you should change your spark plugs routinely to keep your car's engine running smoothly. However, when it comes to gapping spark plugs, many people may find themselves confused.

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 ...

This is an extreme Champion racing spark plug once used in 15:1 NASCAR superspeedway motors with a radically cut-back side electrode. Spark plug manufacturers usually spot-weld side electrodes to the ...