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I've seen posting where people say that they've gapped thier plugs to 0.50, etc. My little disk gapper from Wal-Mart goes up to 0.100. My Haynes manual says to gap the plugs 0.042 (or thereabouts). So is 0.50 correct or possible?
Well, after installing Jacobs plug wires, I now gap my plugs to .050 on my copper core plugs. These are lifetime wires, not powder or graphite "wires".
I did have to go and purchase another gap tool that went to .50 gap.
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