Supporting Vendor (Gold)
Yeah, the whole precious metal thing is a big can of worms that manufacturers like to cat fight about. Here's the facts:Any tests on this new E3 plug? I work for advance and have had the actual company rep come to talk to me about them...there U.S. based and operated...They are only Copper cored but,come with a 100k warranty...There tec laughed and said that copper is still the best electric conductor and the other stuff ie. platinum,iridium,etc. is just for longevity...
The Truth About Copper
Almost every single spark plug in existence has a copper core. Period. That's just the way that plugs are manufactured because copper is such a good conductor. However, its melting point is just slightly higher than gold, and therefore can not be used on the plugs shell or electrodes. There is no such thing as a copper spark plug.
A-Many people mistakenly call a standard nickel plug a "copper plug".
B-Manufacturer's play off the common knowledge that copper is a good conductor, and use the word copper in their product titles and marketing techniques.
I'm not sure which came first - the chicken or the egg. However, the truth is, all spark plugs have a copper core, even those with iridium or platinum tipped electrodes.
The Truth About Precious Metals (Iridium, Platinum, Etc.)
Many people say that platinum and iridium do nothing to enhance performance - that statement is, to a great degree, in fact true.
Fact: Electricity follows the path of least resistance.
Fact: A smaller electrode requires less voltage, or energy, for the spark to jump the gap.
Fact: A smaller electrode has less surface area with which is can squelch, or inhibit the growth of the flame kernal.
Translation: Thinner electrodes encourage ignition of the air/fuel mixture, and reduce misfires, which equates to an increase in power and fuel economy.
Fact: The metal of a plugs electrodes wear over time, requiring their replacement.
Fact: A smaller electrode made of nickel will not last as long as a larger electrode made of nickel.
Solution: Manufacturer's coat the tip of the fine wire electrodes to increase their longevity. They use precious metals such as platinum and iridium, which have increased strength and a higher melting point over nickel.
I refuse to make a blanket statement that precious metals absolutely do not affect performance because dyno sessions will show that they can, and do. You can take an NGK GP platinum plug (fine wire, single platinum) and an NGK IX Iridium plug (fine wire, single iridium), test them against a standard nickel plug, and there IS a difference in performance. In most cases we've seen, the single iridium plug performs better than the platinum. In some cases the standard nickel plug actually performs better than the fine wire single platinum. And we have seen, though it is extremely rare, times when the single platinum plug out performed the single iridium.
So, going back to E3...
The technology behind the E3 design is scientifically sound. (This applies to the original E3 design, not to the new "E3 Classic" that was recently released.) It is a similar concept to a surface gap plug, where the plugs design helps promote growth of the flame kernal. It is able to last as long as it does because of its similarities to a multi-ground plug. There is more ground electrode, therefore, more surface area to be eroded.
We have been an E3 distributor since 2008. I'm unsure as to when exactly they were released on the market.