Trust me when I say that research into improving spark plug durability is one of the most important points of spark plug development. ), Looks like you're using new Reddit on an old browser. We love those things. So really, there's no such thing as a "performance" spark plug. Use this form to dynamically generate charts that show metal prices in the units of your choice and for the specified date range (if available). After a certain point, it will misfire due to the large gap. All dual precious metal plugs are designed to provide maximum longevity. I get NKGs for my vw beetle and champion copper cores for my truck. They don't last. I mildly abuse my Miata, but it doesn't go on the track. Every 80-100k km for iridium plugs should be fine: https://www.myusedcar.ca/when-to-replace-spark-plugs/. So, I need spark plugs for my 2006 Miata. Any thoughts on the OE version versus the fancy IX version? Live Spot Prices for PGMs in ounces, all in real-time in 40 currencies. If you go to NGK page and search the fiesta st, the only plugs that came back are the Ruthenium LTR6BHX https://www.ngk.com/NGK-Automotive-Parts-c1411.aspx unlike the iridium that don't appear, either on stock heat or 1 step colder A related question is whether to apply anti-seize. Contact us for the best spark plug for your vehicle. It is used for producing chip resistors and contact. Since they're pretty easy to change on a Miata, I'd go with copper. Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. That said, there certainly can be more or less energy contained in a spark event, but that is more or less entirely controlled by the coil, not the spark plug. So, a spark plug with a better center electrode material performs better by being more resistant to gap growth (higher durability). It also works as catalysts for ammonia and acetic acid reaction. Please share as part of the Cartalk community. Car makers like platinum and irridium because they keep their sharp edge longer and resist gap erosion because those metals have a higher melting point. I always get the oem brand because that works the best for your car. Testing has shown that ruthenium alloy electrodes are capable of providing up to 2X the service life of iridium spark plugs, and 4X the service life of standard nickel electrode spark plugs. My google fu skills pulled up no useful real-world info on Ruthenium plugs. Press question mark to learn the rest of the keyboard shortcuts, https://www.myusedcar.ca/when-to-replace-spark-plugs/, https://www.motor.com/wp-content/uploads/Trouble-Shooter-March-2013.pdf. NGK RUTHENIUM HXâ¢ ngksparkplugs.com Tech Support: (877) 473-6767 ext. If you still want to use anti-seize you MUST reduce the settings on your torque wrench by 10-15% percent (can't remember if it's 10 or 15). Itâs resistant to wear and tear, but because its hardness is so much higher than platinum-iridium, itâs difficult to mold and takes greater skill to work with to avoid cracking it under excessive pressure. Less resistance means more energy goes into the spark which = hotter spark. It also works as catalysts for ammonia and acetic acid reaction. If you are looking for spark plugs that last longer, iridium plugs are the best choice. Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings. This means that it needs less current to produce a spark. Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings. Autolite was also against the use of anti-seize, saying the same thing about overtorquing and that its nickel-plated plugs didn't need anyting on them. Ruthenium Price Chart (USD / Kilogram) for the Last 2 years. Unless there is something REALLY better about ruthenium than iridium, it sure seems like it. The Iridium IXÂ® plugs are offered in various heat ranges and sizes to fit most automotive and non-automotive applications. Below is language from NGK's website on those two: NGK builds two types of iridium spark plugs: OE Iridium and Iridium IXÂ®. Dyno test: Stock vs Granatelli Wires and NGK Iridium plugs We've got a 04 Neon SRT-4 that we are using for a Donor car for our SRT4 drivetrain swap into our 95 Neon. "There is no iridium in the iridium", Kurt Montgomery said to me as we looked over the print out from the EDAX. Updated April 22, 2020 by Kevin. (We had to add that last part for good reason, sadly. They also have the Denso Iridium spark plugs ($9.76). Iridium element is known as the most corrosion resistance metal . They don't list a Ruthenium HX part for the L15, so I found a model that has identical specs to the OEM ILZKAR8J8SY Si plug except the â¦ Share; Pin; Tweet âA spark plug is just a spark plugâ is a common, yet incorrect phrase. Dyno tested by Cycle Solutions Inc. They just dont last as long. You may have a platinum plug though which isn't quite as long-life as iridium. NGK says not to do it because their thread coating acts like an anti-seize/anti-corrosive, but a bunch of people still swear by the anti-seize. It all comes down to how long the electrodes hold a sharp edge and resist gap erosion. For kicks we put the car on a dyno and removed the Factory wires that had 63k miles, as well as a set of NGK R plugs and swapped them with the Granatelli wires and NGK Iridium plugs. Got a juicy car meme? With ever-increasing demand voltages, change intervals have been dropping.
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