It's an oxymoron. They are a great option for modified engines, and where recommended, are appropriate replacements for OEM spark plugs. There are other factors why nickel spark plugs aren't really used in modern cars but you are right that the low durability (relative to precious metal spark plugs) is certainly one of the reasons. No Prius Podcasts. It is part of a group of the precious metals group that are also referred to as platinum metals. This means that it needs less current to produce a spark. How long have you had your Ruthenium plugs? Contact us for the best spark plug for your vehicle. If you are looking for spark plugs that last longer, iridium plugs are the best choice. Look at the flame propagation and yes the older nickel alloy plugs are better than iridium but not ruthenium. Since they're pretty easy to change on a Miata, I'd go with copper. Copper has lower resistance than plantinum or irridium. 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. I am definitely wanting to get them but I havent seen any Youtuber talk about them. 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¦ It is used for producing chip resistors and contact. If you have an issue with your vehicle someone here can probably help you. The key to getting the hottest spark is that it must jump from a sharp edge to another sharp edge. You can safely re-install spark plugs without anti-seize. Iridium spark plugs. 2 NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket: NGK RUTHENIUM HX â¢. So, I need spark plugs for my 2006 Miata. Simply select a metal and a unit to display the price. In fact, by applying anti-seize at any point, you are introducing potential points of failure. The move to iridium plugs could potentially be a performance advantage. Ruthenium looks like is an experiment by Ngk, I would give ti some time before these plugs prove themselves reliable before buying. The physical properties of ruthenium and the specialized electrode designs of the new plugs allows them to outlast current platinum and iridium plugs by a significant margin. Iridium IX® vs. OE Iridium Spark Plugs. I'm definitely inclined to believe NGK, but let me know if I'm misguided. I switch from the ngk iridium 1 step colder plugs that everyone uses, to the new ngk ruthenium 1 step colder plugs. Iridium is 6x harder and 8x stronger than platinum, has a melting point 1,200°(F) higher, and conducts electricity better.. For many years, spark plug manufacturers favored platinum for their long life and performance plugs due to its high melting point. First, you don't need anti-seize. 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. Until a couple days ago, didn't even know Ruthenium was word; anyway, it's marketed as a "performance" plug. You'd more than likely be fine to 100K, but if you really wanna be safe you could change them at 90K. I could get the standard Iridium IX ($6.85) or spend more than double on the Laser Iridium ($14.73). Here's the copper thing. 0 shares. However, they are NOT a one-time thing. Outside of their own marketed testing, I can't find any real comparison of them vs. iridium, platinum, or conventional copper plugs. 5 Types of Spark Plugs: Copper vs Iridium vs Platinum vs Double Platinum vs Silver. I mildly abuse my Miata, but it doesn't go on the track. Certain spark plugs are more efficient and perform better than others, and each type has a specific use case. Torque them to 22Nm (2.2kg-m, 16 ft.-lbs.).". NGK recommended against using platinum plugs with nitrous oxide injection because the platinum sometimes blew off, but that hadn't happened with iridium plugs. Ruthenium metal also produces as a by-product of the Nickel mining. However, the coating is a one-time thing. Some of these plugs have special resistors or multiple ground electrodes, depending on the original equipment requirements. 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). Id stick with what the manufacturer recommends. As the center electrode wears and the gap increases, demand voltage goes up. All dual precious metal plugs are designed to provide maximum longevity. PrecautionsIridium in bulk metallic form is not biologically important or hazardous to health due to its lack of reactivity with tissues; there are only about 20 parts per trillion of iridium in human tissue. In addition, the plugs are perfect for a power-hungry car because the center electrodes are small. However for its long-thread plugs it said: "New plugs should be installed using a thin-film coating of high-temperature nickel antiseize on the ground electrode shield. Ruthenium is a transition metal found in the middle of the periodic table. ), Looks like you're using new Reddit on an old browser. By-product of Nickel Refining, Found in Minerals, Mining, Found in Minerals, Mining, Ores of Minerals, Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry, Automobile Industry, Electrical Industry, Electronic Industry, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility, Flammable, Ionization, Radioactive Isotopes, Radioactivity. While you're right that precious metal spark plugs have higher performance because they are more resistant to spark erosion and high temperature oxidation erosion, there is a difference between precious metals and the various alloys that are used.  Ruthenium is a component of mixed-metal oxide (MMO) anodes used for cathodic protection of underground and submerged structures, and for electrolytic cells for such processes as generating chlorine from salt water. The Iridium IX spark plugs are a single precious metal aftermarket performance plug. All dual precious metal plugs are designed to provide maximum longevity. After a certain point, it will misfire due to the large gap. The rounder the electrode edge, the more energy is lost trying to make the jump. Fine-wire plugs are supposed to better, and Bosch came out with them in the 1990s or late 1980s but still offers more conventionally tipped platinum and iridium plugs, and some people have reported compatibility problems with those fine wire plugs, even in VW Golfs. Before coming to market, all NGK spark plugs must pass extensive testing and quality checks, including acceleration, combustions, mechanical vibration and thermal shock tests. 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 Ruthenium HX spark plugs are manufactured in an ISO 11565-certified facility following the latest manufacturing processes and regulations. Otherwise you risk overtorquing and damaging the cylinder head threads or distorting the spark plug shell which causes them to leak. The nickel coating on the threads works every bit as good, if not better than anti-seize. So, a spark plug with a better center electrode material performs better by being more resistant to gap growth (higher durability). Live PGM Prices. I know alot has been written about this subject but I thought I would share my experience. They are a great option for modified engines, and where recommended, are appropriate replacements for OEM spark plugs. These two plugs perform similarly, due to their fine-wire tip design, but the service interval is different; the Laser Series are typically designed to last 80 to 100 thousand miles, where as the Iridium IXÂ® spark plugs are designed to last 40 to 50 thousand miles. Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. Live Spot Prices for PGMs in ounces, all in real-time in 40 currencies. These trucks come with either a platinum or iridium plug, which is a long-life plug. We love those things. Lastly choose the number of â¦ The projected ground is the difference. I looked at RockAuto and they have 2 different NGK Iridium to choose from. 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. With that in mind, two spark plugs, both with the same sharp edges on the electrodes will generate the same hot spark. OEMs have stopped using them because they won't last through the warranty period. So really, there's no such thing as a "performance" spark plug. NGK RUTHENIUM HXâ¢ ngksparkplugs.com Tech Support: (877) 473-6767 ext. When it comes to electrical resistance, the difference in resistance is completely negligible. It also works as catalysts for ammonia and acetic acid reaction. Compare Palladium vs Ruthenium of the Periodic Table on all their Facts, Electronic Configuration, Chemical, Physical, Atomic properties. Iridium is supposed to be good to 100000 like Duran said. Regarding copper spark plugs: there is a copper center electrode core in every spark plug, whether it's "copper" or precious metal. You may have a platinum plug though which isn't quite as long-life as iridium. Note that this is not you are guaranteeing failure, but increasing risk or creating risk where none otherwise existed before. Its prices more than quadrupled in the same period, from $38 an ounce at the end of 2016 to $188 an ounce. Got a juicy car meme? You guys are a wealth of knowledge even if when your opinions differ; much better info than I got in the Miata.net forums. Ë Ë shortens the life of traditional Iridium and Platinum spark plugs. Here's an article from the March, 2013 issue of Motor, a mechanic's journal, that quotes spark plug and auto manufacturers about their recommendations about anti-seize on spark plugs: https://www.motor.com/wp-content/uploads/Trouble-Shooter-March-2013.pdf. Share; Pin; Tweet âA spark plug is just a spark plugâ is a common, yet incorrect phrase. That's why car makers don't use them anymore. But Honda, which usually installs NGK or Denso plugs at the factory, said, for the Pilot: "Apply a small amount of antiseize compound to the plug threads, and screw the plugs into the cylinder head, finger-tight. I always get the oem brand because that works the best for your car. It also works as catalysts for ammonia and acetic acid reaction. The only thing nickel spark plugs are better at is price. First off I have a relatively mildly modified MR2 Turbo: it has a MBC set to 14 psi and a re-programmed ECU by G-Force. Tighten spark plugs to 25 ft.-lbs.". Metals Daily brings you the fastest, free source of Live PGMs prices in all major currencies 24 hours a day. Iridium, tried and proven. 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. Current price of iridium - $1460 per troy ounce Current price of ruthenium - $263 per troy ounce Could NGK simply be using a cheaper metal, calling it the ânext new thingâ, charging more, and profiting handsomely as a result? They don't last. As for better spark performance with Ruthenium, probably not because modern ignition systems are so powerful, thanks to pollution regulations that virtually require very, very good ignition. There just doesnt seem to be a lot easily accessible info out there about them. (We had to add that last part for good reason, sadly. In response, NEW SERIES ON MY CHANNEL GUYS! Less resistance means more energy goes into the spark which = hotter spark. Not all plugs work in every car. 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. Yes, don't use anti-seize. 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. Every 80-100k km for iridium plugs should be fine: https://www.myusedcar.ca/when-to-replace-spark-plugs/. My google fu skills pulled up no useful real-world info on Ruthenium plugs. Edit: Thanks for all the well-written replies. Below is language from NGK's website on those two: NGK builds two types of iridium spark plugs: OE Iridium and Iridium IXÂ®. This is so incredibly wrong. Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. Of the many current NGK offerings, I'm looking at the OE version (iridium + platinum), the upgraded "IX" version (double iridium), and one that is Ruthenium. Have an answer or just a good tip? Many, many years ago, it was not the case that they all had copper and so calling them "copper" was accurate. 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. Iridium element is known as the most corrosion resistance metal . While you may call it a "weak" or "strong" spark, nickel spark plugs actually have a "weaker" spark because they have much lower ignitability due to the large amount of material around the center electrode that absorbs the heat of the flame kernel as it grows, thus slowing down the kernel growth rate. They also have the Denso Iridium spark plugs ($9.76).  As far as performance, they will all perform the same (except for copper). Unless there is something REALLY better about ruthenium than iridium, it sure seems like it. NGK was and still is very much against the use of anti-seize, saying its trivalent zinc chromate-plated plugs don't need it and that it causes plugs to be overtorqued. This means thereâs an even greater reservoir of voltage at the coil if the cylinder requires it. If you can mold platinum-ruthenium without cracking it, it lasts for a very long time. 950 Platinum-ruthenium alloy is the opposite. With ever-increasing demand voltages, change intervals have been dropping. Brisk USA offers high performance and racing spark plugs to drivers who want to gain a performance edge on your competition. Updated April 22, 2020 by Kevin. In addition, simply keeping a sharp edge is not the only important thing. "There is no iridium in the iridium", Kurt Montgomery said to me as we looked over the print out from the EDAX. The price is about the same and I don't care whether they last 40,000 miles or 75,000 miles. Ngk spark plugs: copper vs iridium vs platinum vs Silver platinum on the center electrode and... It also has a HKS Super Power Flow intake and a unit to display the price about! 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