Everytime I change my spark plugs, I have a hard time gapping them. I use the round disc-type gapper (size of a half dollar coin) so I can adjust the gap to the exact size I need, the kind you can get a most auto parts store for $0.99 or so.By hooking the grounding prong (is that what it's called?) of the spark plug over the hole in the spark plug gapper, I can get the prong to move away from the other prong (similar to opening a bottle cap), as the gapper gives me the leverage to do this. But it always bends too far away. And getting the prong to move back in is a pain. I usually end up trying to press the prong against a hard flat surfaced to bend it in. It takes me about an hour or more to gap just four plugs!Is there an easier way? Thanks,Julie

Yes, a wire gapper most " real " parts stores have them.

Proper Way to Gap Spark Plugs?

Nov 08, 2005 61 Replies

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aarcuda69062 20 years ago

Okay, it proves what?

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aarcuda69062 20 years ago

If I increase the spark gap, am I increasing or decreasing the circuit resistance?

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