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Originally Posted by LATitan1
Did you ever get dyno results from the SRT-4 with the Iridium spark plugs, and is iridium still the best metal on the market now getting used in Automotive plugs? What are the new E-3 plugs all about. Why can they claim more power and an increase in fuel economy? Thanks
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Iridium is still the hardest, strongest metal being used in plugs, they haven't come out with anything yet than can top it.
Let me check on the dyno results, and I hadn't heard of the E-3 plugs before you asked - I found their website, and i'll read up on them this weekend and get back to you next week.