Which is exactly why these plugs were developed. Because the ignition system was so weak you get misfires. The benefit of longer life was a byproduct of that plug development. The correct answer is get the best ignition system you can find. And use a precious metal electrode plug if you don’t want to change your plugs very often and you don’t mind a lighter wallet. And at that none of this addresses the issue of a copper electrode plug causing ionization to occur easier than other electrode types. Even the engineers can’t agree on that.
