The side electode is what gets moved or bent. My Champion double platinum plugs had a small pin sticking out of the center electrode which in different plugs there is no pin and you would use the flat guage wire to gap it. I was told not to do it that way and I got a more diverse gauge with a little thick blade with a notch in it to bend the side electrode and use the c shaped wire on the side of the gauge for the gapping distance. Worked like a charm.
Soonercruiser nothing has changed but that little pin sticking out of the plug that confused me and that sure is simple these days.
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Cool Vanilla white 2007 Pt. Cruiser, Airraid system, Crane firewires w/Champion D plats plugs ...what's next?
It's not just a matter of MPG... it's the ride! Still wish it was better!