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 ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion ...

Spark plug wires need to be connected in a specific, sequential order, called the firing order. Spark plugs firing out of sequence will cause an engine to backfire.

Read all about the process of reconfiguring a spark plug as well as a ignition system. Only at Classic Trucks Magazine!

With spark plug Corbin Carroll thriving again, surging Diamondbacks firing on all cylinders By Chad Jennings and Stephen J. Nesbitt Aug. 27, 2024 ...