Originally Posted by
Pond Skipper
Gold is a better conductor as we know. Voltage travels
via "skin effect" so nice when heating up the plug, beyond that I like the anti corrosion benefits and aesthetics.
No, I'm sorry, the voltage doesn't travel via any skin effects....
The gold coating could replace a nickel coating and reduce the contact resistance, but that is about it. It will not do any difference once the engine is running.