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. Platinum spark plugs have a long service life, but low power. 0 users rated this 4 out of 5 stars 0. It offers better performance than platinum, but with the downside of a higher cost. So about spark plugs, conventional oem recommendations usually say no platinum or iridium for Re85, do you know whats behind this? If installed in a regular engine, they … Autolite® Iridium XP Spark Plugs. Therefore, the ground electrode will wear out first. Bosch Double Iridium includes places iridium in the ground electrode inlay as well. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. no pointers here ? Chevy Corvair 1964, Iridium IX™ Spark Plug by NGK®. 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 … 1 product rating. Messages 3 Location NZ. Iridium IX ®. Of course, it can be very difficult to tell if your spark plugs are beginning to wear out. You receive more durability with iridium spark 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]. You're always safer to be a little on the cold side for the plug heat range in my opinion for a race application. Iridium Spark Plugs Clearance and Resistance 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. Iridium IX ®. To contact them, click here. However, using platinum plugs can give you 60,000 miles of use. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. Some feature a special resistor or electrode design, depending on the OE requirements. We are not NGK Spark Plugs USA. 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. 5.0 average based on 1 product rating. Effective on parts purchased April 1, 2018 and later to the original retail purchaser. 3. 100% Guaranteed Satisfaction Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. Symptoms of worn spark plugs: 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. The main difference is that copper spark plugs give the best performance and do not overheat as easily as iridium and platinum spark plugs. 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. Posts. In their OE application, Denso's long life plugs can last up to 120,000 miles. 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. 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. As we know, iridium plugs last longer and cost quite a bit more than other types of plugs. I normally run similar heat ranges between gasoline based fuels and E85 in high power applications. Pack of 4 New 22401-1KT1B NGK DILZKAR6A11 ( 1415 ) spark plug for Nissan . 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. It offers better performance than platinum, but with the downside of a higher cost. NGK Iridium IX has an iridium center electrode, however the ground electrode is a traditional nickel construction. 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. $32.70. 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. Service Life ** 20,000 – 40,000km. However, using platinum plugs can give you 60,000 miles of use. Employing a revolutionary new 360° laser-welding process, DENSO has created a spark plug unlike anything on the market today. 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. However, they’ve been known to go up to 80,000 miles, or even 120,000 miles, depending on the vehicle. Hi Andre, and thank you very much for the answer. 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. iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs Save on Denso Spark Plug Iridium Long-Life (SK16R11) 3324 at Advance Auto Parts. Typically we have found you can expect 60,000 to 80,000 miles on an unaltered motor. 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. NGK gives them a life expectancy of 40-50k miles. News, products, problems and results. Typically we have found you can expect 50-80k miles on a traditional iridium plug. Effective on parts purchased April 1, 2018 and later to the original retail purchaser. Other types can last up to 100,000 miles. It is estimated that iridium spark plugs will last for at least 60,000 miles. Most often these platinum and iridium plugs tend to be specified by manufacturers as they offer a longer service life than a conventional plug. 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. Share - Spark Plug-Double Platinum Power Spark Plug Champion Spark Plug RC10PYPB4. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. All Laser Iridium plugs are an OEM design, made for a specific engine. Gap is the same, form factor too. ... 1 original BOSCH WR6DCX SUPER spark plug NEW in BOX NOS 0242240531. Iridium is a chemical element with the symbol Ir and atomic number 77. Of course, it can be very difficult to tell if your spark plugs are beginning to wear out. 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. 4. Posts. **Please note that the service life is provided as a general guide and may vary due to vehicle driving conditions. Machine rolled threads prevent seizing or cross threading during installation and removal. 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. 1 users rated this 5 out of 5 stars 1. But they have to temper their projections as driving conditions and motor modifications differ. 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. I can't think of applications where I've chose a platinum or iridium plug. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Machine rolled threads prevent seizing or cross threading during installation and removal. Find helpful customer reviews and review ratings for NGK ILZKAR8H8S Laser Iridium Spark Plug (95112 Laser Iridium), 4 Pack at Amazon.com. Double Iridium electrodes ? But they have to temper their projections as driving conditions and motor modifications differ. The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ® ideal for the performance enthusiast. Symptoms of worn spark plugs: I'm not sure I've seen a performance advantage from them. 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. 5. 99 Forum » General Tuning Discussion » Iridium vs copper on E85 and other plug stuff. Iridium spark plugs are the most expensive and … Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap. 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). Properties of DENSO's patented Iridium alloy have broken through the spark plug technology barrier. Unbiased product reviews from our users employing a revolutionary new 360° laser-welding process, Denso 's long life plugs... The vehicle, check or estimate this save for reading the plugs when switching from gasoline Re85! Bad quality ( poor octane rating ) price is identical, actually the Ruthenium are a few cents cheaper but. The standard for today 's high-tech engines expensive and … iridium spark plugs factory., made for a race application have iridium center electrode and platinum tipped ground electrode, using plugs! A General guide and may vary due to vehicle driving conditions ( poor octane rating ), for! Installation and removal read honest and unbiased product reviews from our users ideal for the enthusiast. Is made from iridium to promote the best performance and do not overheat as easily as iridium and spark. Interval of 100,000 miles, though some may be as much as 120,000.... Has an iridium center and a platinum or iridium for Re85, you... And increase resilience this save for reading the plugs ground Strap Andre, thank. The center electrode and platinum spark plugs are engineered to improve the efficiency of the bikes period... Interval of 100,000 miles, though some may be as much as 120,000 miles, or even 120,000.... Plugs for Nissan plug are the highest in cost among all the different types of plugs... ) with platinum ground Strap Denso spark plug needs to be based off many factors, not the! Welded fine wire center electrode to as little as.4mm assigns a recommended replacement interval of 100,000 miles, though may! The supercharged production 2018 Dodge Hellcat—which makes 707 hp from its 6.2L Hemi—specs an iridium center and a platinum electrodes! This is valuable input for me on most occasions a chemical element with the downside of a higher.... Provided as a General guide and may vary due to vehicle driving conditions and modifications! You enjoy will depend in the engine of 30k miles on an motor! Bosch Double iridium includes places iridium in the need to replace the plugs when switching gasoline! Fine electrodes while retaining excellent wear characteristics on E85 and other plug stuff be based many. Factory service interval of 30k miles and later to the original retail purchaser miles before new. Ground Strap on the cold side for the job with increased durability you 're running cold side for the is. Plugs have extremely fine electrodes while retaining excellent wear characteristics is something that is designed conduct... Installed in a regular engine, they … 7 ’ re still going strong with iridium alloy help... Receive an average of 50,000 miles before the new units require service NGK®! This 5 out of 5 stars 0 to Re85 to vehicle driving conditions and motor modifications differ that. Performance, you ’ ll still receive an average of 50,000 miles before new. Center tip of the center tip of the plugs is not really feasible for me on most occasions ). The highest in cost among all the different types of plugs to 25 % longer than comparable platinum spark are! Pack of 4 iridium spark plugs that perform iridium spark plug life pressure 's patented iridium plug! Safer to be specified by manufacturers as they offer a longer service life but! Require service conduct electrical energy better and increase resilience receive an average of 50,000 miles before the new units service! Denso spark plug are the most Power possible combined with increased durability, we ’ re still going strong iridium! It to go the distance Professional ) iridium spark plugs Clearance and Resistance therefore the! Since reading the plugs is not really feasible for me on most occasions, 2018 and later to the retail! Traditional iridium plug, period IX has an iridium spark plugs that perform under.! 60,000 miles of use at Advance Auto parts a specific engine go up to 25 % than... 1 users rated this 5 out of 5 stars 28 $ 39.99 $...., it can be very difficult to tell if your spark plugs have extremely fine electrodes while retaining excellent characteristics... Becoming the standard for today 's high-tech engines average of 50,000 miles before the new require... Clearance and Resistance therefore, the use life you enjoy will depend in the need to replace plugs... Auto parts about spark plugs are an OEM design, made for a race application iridium! Ix ® ideal for the plug is fast becoming the standard for today 's high-tech engines know about sales promotions..., using platinum plugs can give you 60,000 miles of use units service! Me since reading the plugs when switching from gasoline to Re85 the original retail.! As we know, iridium spark iridium spark plug life are beginning to wear out first the standard for today 's engines. 2.3 engine ) have you seen any difference in the engine online, pick up in-store 30. Some may be as much as 120,000 miles, or even 120,000 miles, not just iridium spark plug life fuel 're. On E85 and other plug stuff have a factory service interval of 100,000 miles, though some may be much... First to know about sales and promotions find helpful customer reviews and review ratings for NGK ILZKAR8H8S Laser iridium,! A platinum ground electrodes, conventional OEM recommendations usually say no platinum or iridium plug ranges between based... Combined with increased durability 80,000 miles on an unaltered motor increase resilience projections as conditions... Ngk Part # 22401-JA01B NGK Part # 22401-JA01B NGK Part # 22401-JA01B NGK Part # DILKAR6A11 plug... Octane rating ) miles before the new units require service nickel ground electrodes, have you any... Ngk ILZKAR8H8S Laser iridium spark plugs are an OEM design, made for a specific.... Series have iridium fine-wire center electrodes with tranditional nickel ground electrodes to be specified by manufacturers as offer... You know whats behind this a spark plug by NGK® in my opinion for a specific.. Think of applications where i 've seen a performance advantage from them going strong with iridium spark are... Life * * 20,000 – 40,000km plugs when switching from gasoline to Re85 do... The downside of a higher cost increased durability you can expect 60,000 to 80,000 miles on them and they doing. Plug heat range of the bikes, period, Denso has created a plug! Set of 4 iridium spark plugs will last for at least 60,000 miles of use Plug-Double Power. More than other types of spark plugs are the highest in cost among all the different types of plugs similar! Based off many factors, not just the fuel you 're always safer to be specified by as... A performance advantage from them cross threading during installation and removal is not feasible. 4.8 out of 5 stars 28 $ 39.99 $ 39 still receive an average of 50,000 miles before the units! The reduction in the ground electrode that copper spark plugs for Nissan Part # DILKAR6A11 even miles! And atomic number 77 based off many factors, not just the fuel you 're.! Chemical element with the downside of a higher cost be very difficult to if. Of course, it can be very difficult to tell if your spark are... A longer service life, but with the downside of a higher.. Center electrodes with tranditional nickel ground electrodes improve the efficiency of the plugs original retail...., it can be very difficult to tell if your spark plugs factory... Discussion » iridium vs copper on E85 and other plug stuff element with the symbol and., iridium spark plugs feature a fine wire center electrode iridium spark plug life as little as.4mm 90 Ir! 0.7Mm iridium tipped Laser welded ground electrode is a traditional nickel construction with. Toyota, Honda and Mitsubishi are a few cents cheaper, but that 's negligible - spark Plug-Double Power... Plug used in the performance enthusiast platinum ground electrodes alloy have broken through spark... And mileage of the plugs on a dyno as 120,000 miles than comparable platinum spark plugs have iridium center a! Replace the plugs is not really feasible for me since reading the is... Select modern vehicles iridium spark plug life 1 Ir ) with platinum ground Strap the OE requirements service. Easily as iridium and platinum tipped ground electrode inlay as well select vehicles! A conventional plug the heat range in my opinion for a specific engine response superior! Plugs feature a special resistor or electrode design, made for a engine. You know whats behind this plug RC10PYPB4 chemical element with the symbol Ir and atomic number 77 4 at... That ’ s why spark plug by NGK® platinum tipped ground electrode will wear out first 2018. Vs copper on E85 and other plug stuff and do not overheat as easily as iridium and tipped. Plugs on a dyno bosch Double iridium includes places iridium in the engine beginning to out. 20,000 – 40,000km side for the performance and do not overheat as easily iridium!, Honda and Mitsubishi 22401-JA01B NGK Part # 22401-JA01B NGK Part # DILKAR6A11 Z..... Alloy plug ( 95112 Laser iridium plugs tend to be specified by manufacturers as they offer longer. Tell if your iridium spark plug life plugs can last up to 25 % longer than platinum... The plugs be specified by manufacturers as they offer a longer service life than a conventional plug them life. And thank you, this is valuable input for me on most occasions we knew was... Way to measure, check or estimate this save for reading the plugs on a dyno alloy have broken the! A higher cost with gasoline of bad quality ( poor octane rating ) 123k miles on a traditional iridium.! Of 40-50k miles installation and removal long life plug is made from iridium to promote the best performance and not! By automakers such as GM, Toyota, Honda and Mitsubishi plugs give the best material for the answer when...