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 ...

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

One of the best ways to gain automotive knowledge is simply by asking the two-word question: “What is (a part, theory, thing)?” and locking in the definition after it is given. We’ll take a flier and ...

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 ...

Switch out a set of old, worn spark plugs to improve your engine's efficiency. By Timothy Dale Published Nov 15, 2023 1:00 PM EST We may earn revenue from the products available on this page and ...