ruthenium vs iridium dyno
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. I'm definitely inclined to believe NGK, but let me know if I'm misguided. Most pens today (and in the past) use an alloy of materials for the hard surface tipping on the end of the nib. Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. Trust me when I say that research into improving spark plug durability is one of the most important points of spark plug development. You can safely re-install spark plugs without anti-seize. So, a spark plug with a better center electrode material performs better by being more resistant to gap growth (higher durability). 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. 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. Experiments don't start in the market, nor are they done for aftermarket (when it comes to design changes like center electrode material). Iridium, tried and proven.  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. Share; Pin; Tweet âA spark plug is just a spark plugâ is a common, yet incorrect phrase. They don't last. Since they're pretty easy to change on a Miata, I'd go with copper. Live Spot Prices for PGMs in ounces, all in real-time in 40 currencies. 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. I mildly abuse my Miata, but it doesn't go on the track. Some of these plugs have special resistors or multiple ground electrodes, depending on the original equipment requirements. Iridium element occurs as natural alloys of Platinum and Osmium. The rounder the electrode edge, the more energy is lost trying to make the jump. Ruthenium element has been extracted from used nuclear fuel. Compare Palladium vs Ruthenium of the Periodic Table on all their Facts, Electronic Configuration, Chemical, Physical, Atomic properties. First, you don't need anti-seize. My google fu skills pulled up no useful real-world info on Ruthenium plugs. Look at the flame propagation and yes the older nickel alloy plugs are better than iridium but not ruthenium. It all comes down to how long the electrodes hold a sharp edge and resist gap erosion. 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). 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. No Prius Podcasts. Have an answer or just a good tip? All dual precious metal plugs are designed to provide maximum longevity. Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. The move to iridium plugs could potentially be a performance advantage. Ruthenium metal also produces as a by-product of the Nickel mining. 0 shares. 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. DO NOT coat the ground strap. Less resistance means more energy goes into the spark which = hotter spark. Many, many years ago, it was not the case that they all had copper and so calling them "copper" was accurate. Simply select a metal and a unit to display the price. 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. But the center electrode material in "copper" spark plugs is nickel. Like most metals, finely divided iridium powder can be hazardous to handle, as it is an irritant and may ignite in air. After a certain point, it will misfire due to the large gap. Iridium spark plugs. 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. When it comes to electrical resistance, the difference in resistance is completely negligible. Dyno tested by Cycle Solutions Inc. In response, I could get the standard Iridium IX ($6.85) or spend more than double on the Laser Iridium ($14.73). 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. It is part of a group of the precious metals group that are also referred to as platinum metals. Iridium element is known as the most corrosion resistance metal . It also works as catalysts for ammonia and acetic acid reaction. Every plug in the Laser Series was designed for an OEM application. I always get the oem brand because that works the best for your car. Below is language from NGK's website on those two: NGK builds two types of iridium spark plugs: OE Iridium and Iridium IXÂ®. 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. The projected ground is the difference. "There is no iridium in the iridium", Kurt Montgomery said to me as we looked over the print out from the EDAX.  The nickel coating on the threads works every bit as good, if not better than anti-seize. 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. You guys are a wealth of knowledge even if when your opinions differ; much better info than I got in the Miata.net forums. NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX®. 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 This alloy is composed of a number of elements. Iridium IX® vs. OE Iridium Spark Plugs. 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. In addition, simply keeping a sharp edge is not the only important thing. If you have an issue with your vehicle someone here can probably help you. With ever-increasing demand voltages, change intervals have been dropping. 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. The nickel or zinc, depending on manufacturer, plating is designed to prevent corrosion and seizing. Tighten spark plugs to 25 ft.-lbs.". 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. NGK recommended against using platinum plugs with nitrous oxide injection because the platinum sometimes blew off, but that hadn't happened with iridium plugs. 2 NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket: NGK RUTHENIUM HX â¢. The Iridium IXÂ® plugs are offered in various heat ranges and sizes to fit most automotive and non-automotive applications. We were looking at the material analysis of a Waterman's Green #7 nib tip from the 1930's. Until a couple days ago, didn't even know Ruthenium was word; anyway, it's marketed as a "performance" plug. Torque them to 22Nm (2.2kg-m, 16 ft.-lbs.).". Brisk USA offers high performance and racing spark plugs to drivers who want to gain a performance edge on your competition. Ruthenium demand climbed 9 percent last year to 1.204 million ounces, its highest since 2006.
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