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. Since they're pretty easy to change on a Miata, I'd go with copper. Outside of their own marketed testing, I can't find any real comparison of them vs. iridium, platinum, or conventional copper plugs. Copper has lower resistance than plantinum or irridium. New comments cannot be posted and votes cannot be cast, Cartalk is full of redditors with a wide variety of automotive background ranging from professional mechanic to guys who have restored entire cars in their garage. Regarding copper spark plugs: there is a copper center electrode core in every spark plug, whether it's "copper" or precious metal. NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX®. NGK RUTHENIUM HXâ¢ ngksparkplugs.com Tech Support: (877) 473-6767 ext. 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. 3 H 2 O is most important because it is a good starting material for other compounds and reacts readily with olefins and phosphines. 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 It is used for producing chip resistors and contact. Ruthenium metal also produces as a by-product of the Nickel mining. Have an answer or just a good tip? This is so incredibly wrong. 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? DO NOT coat the ground strap. As far as performance, they will all perform the same (except for copper). The rounder the electrode edge, the more energy is lost trying to make the jump. They also have the Denso Iridium spark plugs ($9.76). Ruthenium looks like is an experiment by Ngk, I would give ti some time before these plugs prove themselves reliable before buying. Torque them to 22Nm (2.2kg-m, 16 ft.-lbs.).". Updated April 22, 2020 by Kevin. They just dont last as long. You guys are a wealth of knowledge even if when your opinions differ; much better info than I got in the Miata.net forums. Unless there is something REALLY better about ruthenium than iridium, it sure seems like it. In addition, the plugs are perfect for a power-hungry car because the center electrodes are small. It has 130,000 miles on it and I was wondering on which spark plug to get. If you can mold platinum-ruthenium without cracking it, it lasts for a very long time. Below is language from NGK's website on those two: NGK builds two types of iridium spark plugs: OE Iridium and Iridium IXÂ®. You'd more than likely be fine to 100K, but if you really wanna be safe you could change them at 90K. 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. Look at the flame propagation and yes the older nickel alloy plugs are better than iridium but not ruthenium. Copper plugs actually perform better than precious metal plugs. The move to iridium plugs could potentially be a performance advantage. "There is no iridium in the iridium", Kurt Montgomery said to me as we looked over the print out from the EDAX. 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 element has been extracted from used nuclear fuel. Here's the copper thing. Iridium is harder and more durable than copper or platinum, but more expensive. All dual precious metal plugs are designed to provide maximum longevity. If you remove the plugs and intend to reinstall them, then you must use anti-seize on the reinstall. Ruthenium demand climbed 9 percent last year to 1.204 million ounces, its highest since 2006. No Prius Podcasts. They are a great option for modified engines, and where recommended, are appropriate replacements for OEM spark plugs. I get NKGs for my vw beetle and champion copper cores for my truck. I switch from the ngk iridium 1 step colder plugs that everyone uses, to the new ngk ruthenium 1 step colder plugs. Ruthenium element has been extracted from used nuclear fuel. Iridium element is known as the most corrosion resistance metal . For the OE Iridium series, dual precious metal means iridium on the center tip and platinum on the ground electrode. Edit: Thanks for all the well-written replies. This means that it needs less current to produce a spark. Ruthenium HX spark plugs are manufactured in an ISO 11565-certified facility following the latest manufacturing processes and regulations. It also has a HKS Super Power Flow intake and a Genie cat-back exhaust. #Markvlogs #NGKVSDENSO #SPARKPLUGBATTLE #Hyundai #EonHi Guys!Welcome back to my Channel!GOOD DAY GUYS! They don't last. 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. 950 Platinum-ruthenium alloy is the opposite. How long have you had your Ruthenium plugs? They are a great option for modified engines, and where recommended, are appropriate replacements for OEM spark plugs. Contact us for the best spark plug for your vehicle. Experiments don't start in the market, nor are they done for aftermarket (when it comes to design changes like center electrode material). Got a juicy car meme? Ruthenium metal also produces as a by-product of the Nickel mining. The nickel or zinc, depending on manufacturer, plating is designed to prevent corrosion and seizing. Iridium IXÂ® plugs are an excellent upgrade from standard nickel plugs. After a certain point, it will misfire due to the large gap. Some of these plugs have special resistors or multiple ground electrodes, depending on the original equipment requirements. Iridium IX® vs. OE Iridium Spark Plugs. NGK recommended against using platinum plugs with nitrous oxide injection because the platinum sometimes blew off, but that hadn't happened with iridium plugs. A related question is whether to apply anti-seize. In addition, simply keeping a sharp edge is not the only important thing. Certain spark plugs are more efficient and perform better than others, and each type has a specific use case. Iridium is supposed to be good to 100000 like Duran said. Many, many years ago, it was not the case that they all had copper and so calling them "copper" was accurate. 2 NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket: NGK RUTHENIUM HX â¢. Iridium spark plugs. Metals Daily brings you the fastest, free source of Live PGMs prices in all major currencies 24 hours a day. The Iridium IX spark plugs are a single precious metal aftermarket performance plug. Less resistance means more energy goes into the spark which = hotter spark. It also works as catalysts for ammonia and acetic acid reaction. Iridium, tried and proven. Until a couple days ago, didn't even know Ruthenium was word; anyway, it's marketed as a "performance" plug. Ë Ë shortens the life of traditional Iridium and Platinum spark plugs. 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¦ 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. The only thing nickel spark plugs are better at is price. In response, Iridium element is known as the most corrosion resistance metal . Tighten spark plugs to 25 ft.-lbs.". 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). 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. 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. The nickel coating on the threads works every bit as good, if not better than anti-seize. Trust me when I say that research into improving spark plug durability is one of the most important points of spark plug development. The projected ground is the difference. Ruthenium Price Chart (USD / Kilogram) for the Last 2 years. You may have a platinum plug though which isn't quite as long-life as iridium. When it comes to electrical resistance, the difference in resistance is completely negligible. We were looking at the material analysis of a Waterman's Green #7 nib tip from the 1930's. From 1944 onward, the Parker 51 fountain pen was fitted with the "RU" nib, a 14K gold nib tipped with 96.2% ruthenium and 3.8% iridium. Brisk USA offers high performance and racing spark plugs to drivers who want to gain a performance edge on your competition. I know alot has been written about this subject but I thought I would share my experience. Simply select a metal and a unit to display the price. These trucks come with either a platinum or iridium plug, which is a long-life plug. With that in mind, two spark plugs, both with the same sharp edges on the electrodes will generate the same hot spark. Horsepower comparison test of NGK Iridium sparkplugs versus stock Harley Davidson sparkplugs. 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. The element Iridium was discovered by Smithson Tennant in year 1803 in France and United Kingdom. However, they are NOT a one-time thing. 0 shares. But the center electrode material in "copper" spark plugs is nickel. Iridium derived its name derived its name from from Iris, the Greek goddess of the rainbow. Every 80-100k km for iridium plugs should be fine: https://www.myusedcar.ca/when-to-replace-spark-plugs/. 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. 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. Ruthenium is a transition metal found in the middle of the periodic table. Live Spot Prices for PGMs in ounces, all in real-time in 40 currencies. The price is about the same and I don't care whether they last 40,000 miles or 75,000 miles. Otherwise you risk overtorquing and damaging the cylinder head threads or distorting the spark plug shell which causes them to leak. However, the coating is a one-time thing. NEW SERIES ON MY CHANNEL GUYS! Yes, don't use anti-seize. I am definitely wanting to get them but I havent seen any Youtuber talk about them. Ruthenium derived its name from from Ruthenia, the New Latin name for Russia.  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. All dual precious metal plugs are designed to provide maximum longevity. It is part of a group of the precious metals group that are also referred to as platinum metals. This means thereâs an even greater reservoir of voltage at the coil if the cylinder requires it. Its prices more than quadrupled in the same period, from $38 an ounce at the end of 2016 to $188 an ounce. Live PGM Prices. 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. I could get the standard Iridium IX ($6.85) or spend more than double on the Laser Iridium ($14.73). The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. Please share as part of the Cartalk community. (We had to add that last part for good reason, sadly. 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. There just doesnt seem to be a lot easily accessible info out there about them. Iridium element occurs as natural alloys of Platinum and Osmium. 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. Id stick with what the manufacturer recommends. We love those things. Share; Pin; Tweet âA spark plug is just a spark plugâ is a common, yet incorrect phrase. It also works as catalysts for ammonia and acetic acid reaction. 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. 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. I looked at RockAuto and they have 2 different NGK Iridium to choose from. 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. 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. Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. My google fu skills pulled up no useful real-world info on Ruthenium plugs. "Copper" spark plugs are a bit of a misnomer these days. Iridium IX plugs are an excellent upgrade from standard nickel plugs. If you are looking for spark plugs that last longer, iridium plugs are the best choice. 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. As the center electrode wears and the gap increases, demand voltage goes up. I'm definitely inclined to believe NGK, but let me know if I'm misguided. With ever-increasing demand voltages, change intervals have been dropping. That's why car makers don't use them anymore. 5 Types of Spark Plugs: Copper vs Iridium vs Platinum vs Double Platinum vs Silver. 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. This alloy is composed of a number of elements. Any thoughts on the OE version versus the fancy IX version? 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. First, you don't need anti-seize. Like most metals, finely divided iridium powder can be hazardous to handle, as it is an irritant and may ignite in air. 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. You can safely re-install spark plugs without anti-seize. I always get the oem brand because that works the best for your car. The key to getting the hottest spark is that it must jump from a sharp edge to another sharp edge. Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. OEMs have stopped using them because they won't last through the warranty period. The downside is that they don't keep their Sharp edge very long and they have the lowest resistance to gap erosion. Our Periodic Element comparison tool allows you to compare Periodic Elements properties side by side for all 118 elements | SchoolMyKids Interactive Dynamic Periodic Table, Periodic Table Element Comparison tool, Element Property trends 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. Every plug in the Laser Series was designed for an OEM application. 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. Note that this is not you are guaranteeing failure, but increasing risk or creating risk where none otherwise existed before. The Iridium IXÂ® plugs are offered in various heat ranges and sizes to fit most automotive and non-automotive applications. I mildly abuse my Miata, but it doesn't go on the track. Most pens today (and in the past) use an alloy of materials for the hard surface tipping on the end of the nib. Dyno tested by Cycle Solutions Inc. ), Looks like you're using new Reddit on an old browser. 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. So, a spark plug with a better center electrode material performs better by being more resistant to gap growth (higher durability). In fact, by applying anti-seize at any point, you are introducing potential points of failure. Before coming to market, all NGK spark plugs must pass extensive testing and quality checks, including acceleration, combustions, mechanical vibration and thermal shock tests. It's an oxymoron. Compare Palladium vs Ruthenium of the Periodic Table on all their Facts, Electronic Configuration, Chemical, Physical, Atomic properties.
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