To contact them, click here. Is there any convenient way to measure, check or estimate this save for reading the plugs on a dyno. Other types can last up to 100,000 miles. iridium Spark Plugs. 3. Iridium Spark Plug are the highest in cost among all the different types of spark plugs. Increased plug service life (Depending on design, an Iridium plug could last up to ten times the life of a standard plug with little reduction in efficiency over the plug's lifespan) Increased engine power (Don't expect to double your horsepower but a 1 - 3% increase is possible) Of course, it can be very difficult to tell if your spark plugs are beginning to wear out. Service Life ** 20,000 – 40,000km. Some feature a special resistor or electrode design, depending on the OE requirements. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. Designed for durability under the most extreme conditions, Iridium spark plugs are the most expensive and … In my Nissan I have the DENSO long life iridium plugs. Hi Andre, and thank you very much for the answer. In terms of lifespan, the use life you enjoy will depend in the type of plug used in the engine. Buy online, pick up in-store in 30 minutes. Well, standard copper plugs are said to last anywhere from 10,000 to 20,000 miles (16,093 to 32,187 kilometers), while more expensive iridium or platinum spark plugs can last 60,000 miles (96,561 kilometers) or more [source: Spark plugs UK]. 3 If you want another example, there’s the 350 hp Focus RS turbocharged four-cylinder Ford engine that pushes as much as 25 psi of boost, and it also employs an iridium plug. This is particularly true in countries with gasoline of bad quality (poor octane rating). 1 users rated this 5 out of 5 stars 1. Typically we have found you can expect 50-80k miles on a traditional iridium plug. NGK.com specializes in hard to find NGK products. no personal experience ? It is estimated that iridium spark plugs will last for at least 60,000 miles. But they have to temper their projections as driving conditions and motor modifications differ. This is particularly true in countries with gasoline of bad quality (poor octane rating). NGK gives them a life expectancy of 40-50k miles. Iridium spark plugs - Lifetime If you are experiencing spark plus symptoms, then check your Iridium spark plugs for the above and consider replacing them at an interval of 10,000 Km whatever the manufacturer's recommendation. 4.8 out of 5 stars 28 $39.99 $ 39 . The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ® ideal for the performance enthusiast. As we know, iridium plugs last longer and cost quite a bit more than other types of plugs. Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap. Properties of DENSO's patented Iridium alloy have broken through the spark plug technology barrier. Find helpful customer reviews and review ratings for NGK ILZKAR8H8S Laser Iridium Spark Plug (95112 Laser Iridium), 4 Pack at Amazon.com. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. I'm not sure I've seen a performance advantage from them. In theory re85 should burn cooler but due to the ability to resist knock, higher cylinder pressures can be obtained which might just turn this into a gain in torque while keeping the cylinder temps at the same level. I'm not sure I've seen a performance advantage from them. The center tip of the plug is made from iridium to promote the best spark and increase resilience. If installed in a regular engine, they … The biggest downside with cold plugs is that they tend to foul up at idle or cruise but that's not a huge concern for you. Also, have you seen any difference in the required heat range of the plugs when switching from gasoline to re85 ? Please enter your details below to sign into your account, Please enter your details below to register for an account, This email is already in use. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Price is identical, actually the Ruthenium are a few cents cheaper, but that's negligible. 100% Guaranteed Satisfaction Platinum spark plugs have a long service life, but low power. OE Iridium Long Life Plugs NGK Laser Iridium and Denso Long-Life Iridium plugs feature an iridium tipped fine wire center electrode, and platinum tipped ground electrode. However, this is something that is offset by the reduction in the need to replace the plugs. Well, standard copper plugs are said to last anywhere from 10,000 to 20,000 miles (16,093 to 32,187 kilometers), while more expensive iridium or platinum spark plugs can last 60,000 miles (96,561 kilometers) or more [source: Spark plugs UK ]. Employing a revolutionary new 360° laser-welding process, DENSO has created a spark plug unlike anything on the market today. Some feature a special resistor or electrode design, depending on the OE requirements. The heat range of the spark plug needs to be based off many factors, not just the fuel you're running. Normal copper plugs only last about 20,000 miles. Spark Plug-Double Platinum Power Spark Plug Champion Spark Plug RC10PYPB4. Symptoms of worn spark plugs: Iridium IX ®. Posts. Apr 22, 2018 #18 I've not had much luck with Bosch plugs in any of my BMW's- for whatever reason NGK worked best, the car felt smoother. The heat range of the spark plug needs to be based off many factors, not just the fuel you're running. You can read the plug and look at the discolouration on the earth strap to confirm if your heat range is suited to the application. Autolite Iridium XP utilizes an iridium-enhanced 0.6 mm finewire and proprietary platinum sidewire for improved durability* and a more focused ignition for better overall ignitability** providing optimum performance. When you're passionate about performance, you need a technologically advanced plug. Contact seller for limited warranty part … HiVehicle New Iridium Spark Plug OE19299585 41 962 - Specially For Chevrolet, GMC, Cadillac, Buick,Hummer,Oldsmobile,Pontiac,Superior quality,8pcs set. Posts. Normal copper plugs only last about 20,000 miles. It offers better performance than platinum, but with the downside of a higher cost. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. Description. Typically we have found you can expect 60,000 to 80,000 miles on an unaltered motor. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. News, products, problems and results. Benefits. ... 1 original BOSCH WR6DCX SUPER spark plug NEW in BOX NOS 0242240531. Therefore, the ground electrode will wear out first. Gap is the same, form factor too. I'd still examine the plugs though after a run to see where the discolouration is on the ground strap to fine tune your choice. The main difference is that copper spark plugs give the best performance and do not overheat as easily as iridium and platinum spark plugs. Today, we’re still going strong with iridium spark plugs that perform under pressure. Therefore, the ground electrode will wear out first. no pointers here ? Increased plug service life (Depending on design, an Iridium plug could last up to ten times the life of a standard plug with little reduction in efficiency over the plug's lifespan) Increased engine power (Don't expect to double your horsepower but a 1 - 3% increase is possible) Improved (reduced) emissions. Iridium Spark Plugs Clearance and Resistance Most often these platinum and iridium plugs tend to be specified by manufacturers as they offer a longer service life than a conventional plug. The ground electrode will wear out first. All Denso long life iridium spark plugs are an OEM design, made for a specific engine. On road its not really the option since you would need to do it directly after a hard pull and with these power levels, getting a clean pull is too scary since the speeds required for traction are nuts. However, they’ve been known to go up to 80,000 miles, or even 120,000 miles, depending on the vehicle. As an example, the supercharged production 2018 Dodge Hellcat—which makes 707 hp from its 6.2L Hemi—specs an iridium spark plug. The iridium-alloy center electrode firing pin and laser welded ground electrode with iridium alloy inlay help it to go the distance. You're looking for the the ground strap to discolour approximately halfway along its length which usually coincides with where it bends through 90 degrees. Free shipping . Iridium spark plugs come standard on select modern vehicles. So about spark plugs, conventional oem recommendations usually say no platinum or iridium for Re85, do you know whats behind this? In their OE application, Denso's long life plugs can last up to 120,000 miles. Be the first to know about sales and promotions. $9.54. If installed in a regular engine, they would likely last longer than most people keep their car (barring any motor problems that can cause premature plug death). $32.70. On the right, standard iridium that are OE on the car. I can't think of applications where I've chose a platinum or iridium plug. If you’re not a fan of the idea of replacing spark plugs every 60,000 miles or so, iridium can reach up to a 120,000-mile life cycle. 1) Long Lifespan If you want to use spark plugs in your vehicle which will last for the longest time, then you’ll want to use iridium spark plugs. Discuss all things tuning in this section. In a recent 1k+hp 2jz dyno the copper plugs just did not ignite with re85 and high boost levels, but denso iridiums did the trick. Other types can last up to 100,000 miles. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. 5. So, spark plug replacement time for the Mazda (2.3 engine). Sign in here, Endorsed by leading performance manufactures, September 5, 2017 at 4:27:15 PM at 4:27:15 PM, September 12, 2017 at 6:27:02 PM at 6:27:02 PM, September 13, 2017 at 4:34:16 PM at 4:34:16 PM, September 13, 2017 at 10:21:46 PM at 10:21:46 PM, September 14, 2017 at 4:49:36 PM at 4:49:36 PM. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. It offers better performance than platinum, but with the downside of a higher cost. Lifespan of iridium spark plugs Not all iridium spark plugs are the long-life type , there are also some that have the same lifespan as a normal spark plug: 20,000 km … Double Iridium electrodes ? Most spark plugs have a factory service interval of 100,000 miles, though some may be as much as 120,000 miles. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. NGK Iridium IX has an iridium center electrode, however the ground electrode is a traditional nickel construction. Autolite® Iridium XP Spark Plugs. I normally run similar heat ranges between gasoline based fuels and E85 in high power applications. In their OE application, NGK's Laser Iridium plugs typically last 80-100k miles. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as.4mm. We are not NGK Spark Plugs USA. In terms of lifespan, the use life you enjoy will depend in the type of plug used in the engine. Long-life platinum and iridium spark plugs will typically last up to 100,000 miles or longer provided the engine isn’t using oil or doesn’t spend a lot of time idling. If you’re not a fan of the idea of replacing spark plugs every 60,000 miles or so, iridium can reach up to a 120,000-mile life cycle. That’s why spark plug replacement is carried out at 3-4 MOTs, namely 45,000-60,000 km. 4904 NGK Laser Iridium Spark Plugs have iridium center and a platinum ground electrodes. Therefore, NGK gives them a life expectancy of 40-50k miles and Denso assigns a recommended replacement interval of 30k miles. iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs Messages 3 Location NZ. Traditional Single Iridium Plugs   Denso's Iridium Power and NGK's Iridium IX series have iridium fine-wire center electrodes with tranditional nickel ground electrodes. Effective on parts purchased April 1, 2018 and later to the original retail purchaser. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. 7. Free shipping . 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Thank you, this is valuable input for me since reading the plugs is not really feasible for me on most occasions. A very hard, brittle, silvery-white transition metal of the platinum group, iridium is considered to be the second-densest metal (after osmium) with a density of 22.56 g/cm 3 as defined by experimental X-ray crystallography. If you don’t replace the spark plugs in time, or if you don’t adjust the gap correctly, the ignition coil may fail (because it needs more strength to “break” the large height between the electrodes). They simply will last way longer and will not degrade sooner than copper plugs but still when it comes to performance improvement, copper plugs performance better than iridium or any other plugs out there. But they have to temper their projections as driving conditions and motor modifications differ. So to recap: from your experience, similar heat rangers regardless of the fuel is your experience and you have not seen any ignition gains when switching from copper to iridium. The DENSO Iridium Long Life plug is fast becoming the standard for today's high-tech engines. the engines are built for standing mile which is quite a stress for the engine, you essentially go through all of the gears at WOT which essentially results in the engine running at the top end of the power curve for more than 25 seconds straight. Iridium spark plugs - Lifetime If you are experiencing spark plus symptoms, then check your Iridium spark plugs for the above and consider replacing them at an interval of 10,000 Km whatever the manufacturer's recommendation. 99 Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. 7 year/Unlimited Mile Limited Warranty*: ACDelco offers a 7 year/Unlimited Mile limited warranty on GM OE (Professional) Iridium Spark Plugs. Typically we have found you can expect 60,000 to 80,000 miles on an unaltered motor. Of course, it can be very difficult to tell if your spark plugs are beginning to wear out. Same thing with another 1kkw motor on an engine dyno (2jz and 7M motors here) altought they ignited fine, the coppers were running just too hot, with 9,5-10 iridiums the plug kept fine after a hard pull. Iridium spark plug Iridium is harder than platinum, and in most cases, iridium spark plugs last about 25 percent longer than comparable platinum spark plugs. Effective on parts purchased April 1, 2018 and later to the original retail purchaser. Read honest and unbiased product reviews from our users. Iridium is a chemical element with the symbol Ir and atomic number 77. Iridium spark plugs give absolutely no improvement in the performance and mileage of the bikes, period. Iridium IX ®. However, using platinum plugs can give you 60,000 miles of use. With the majority of the high powered engines I've been involved with running on E85 I've used a plug like the NGK BR10EG which uses a nickel electrode. NGK Laser Iridium Spark Plugs have iridium center and a platinum ground electrodes. 0 users rated this 4 out of 5 stars 0. All Laser Iridium plugs are an OEM design, made for a specific engine. Bosch Iridium Spark Plugs are engineered to deliver both high performance & long life using an ultra fine wire design & a laser welded ground electrode to spark and ignite the fuel in your car. Chevy Corvair 1964, Iridium IX™ Spark Plug by NGK®. Regardless of engine, manufacturer or ignition type. You receive more durability with iridium spark plugs. Symptoms of worn spark plugs: The strength of iridium ensures that you can receive a long-lasting installation when you make this upgrade. MSD's spark plugs are engineered to improve the efficiency of the combustion process to create the most power possible combined with increased durability. 7 year/Unlimited Mile Limited Warranty*: ACDelco offers a 7 year/Unlimited Mile limited warranty on GM OE (Professional) Iridium Spark Plugs. 5.0 average based on 1 product rating. Machine rolled threads prevent seizing or cross threading during installation and removal. Iridium spark plugs come standard on select modern vehicles. Contact seller for limited warranty part … We started using iridium 30 years ago, because we knew it was the best material for the job. Even though different manufacturers produce them, you’ll still receive an average of 50,000 miles before the new units require service. Share - Spark Plug-Double Platinum Power Spark Plug Champion Spark Plug RC10PYPB4. Pack of 4 New 22401-1KT1B NGK DILZKAR6A11 ( 1415 ) spark plug for Nissan . 123k miles on them and they are doing good thus far.. Z. zeroyon223. NGK gives them a life expectancy of 40-50k miles. The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ® ideal for the performance enthusiast. Set of 4 Iridium Spark Plugs For Nissan Part # 22401-JA01B NGK PART#DILKAR6A11. Machine rolled threads prevent seizing or cross threading during installation and removal. Most often these platinum and iridium plugs tend to be specified by manufacturers as they offer a longer service life than a conventional plug. **Please note that the service life is provided as a general guide and may vary due to vehicle driving conditions. Bosch Double Iridium includes places iridium in the ground electrode inlay as well. Forum » General Tuning Discussion » Iridium vs copper on E85 and other plug stuff. Standard style Spark Plug *NGK Spark Plugs are designed to OEM requirements and as such, a variant of each of the above styles may not be available as it may not be an OEM requirement. Save on Denso Spark Plug Iridium Long-Life (SK16R11) 3324 at Advance Auto Parts. However, using platinum plugs can give you 60,000 miles of use. $31.06. 1 product rating. You're always safer to be a little on the cold side for the plug heat range in my opinion for a race application. 4. 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