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 your car's spark plugs could result in some modest performance gains. Here's what it means, how to do it, and ...

Spark plugs are an essential part of your engine’s operation. When your engine fires, it’s the spark that causes the ignition cycle to begin. Over time, spark plugs wear out and should be replaced. If ...

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 ...

Perhaps my google-fu is weak today. I have an '88 Honda Accord, and I'm trying to change the spark plugs. I've done several searches but I just can't seem to find any reference as to what to gap my ...

Almost every lawn mower owner has experienced the frustration of pulling the starter cord repeatedly only to have it sputter — or even worse, not start at all. While fuel issues, a dirty carburetor, ...