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 why it works.

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 ...