I always thought both the plugs/coils changed 2013/2014 to the newer coils and iridium plugs but now I’m not sure of the coils. Both platinum and iridium plugs last longer than traditional copper for example. Platinum has good longevity and the worst performance. Discuss all things tuning in this section. Thanks Jerry. So about spark plugs, conventional oem recommendations usually say no platinum or iridium for Re85, do you know whats behind this? The main reason why parts manufacturers moved to materials like iridium or platinum is the longevity of the electrodes. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. In fact, some people have claimed to … Along these lines, they work ideally at a much lower temperature, enduring in an average of 40,000 – 60,000 miles (contrasted with copper). Copper is for conducting heat. Press question mark to learn the rest of the keyboard shortcuts, FJR1300, KLR650, EX250, GL1000, Vespa Ciao, '16 Guzzi V7II,'96 KLX650r,'11 FE570s,'79 Maico440,'74 CT90, 2006 FLHTCU, 2002 XLH1250, 1972 XLCH, 1998 Suzuki DR200SE. Use whatever the manual calls for unless you have a good reason to switch (like significant mods such as higher compression pistons, a turbo, or cams, not just exhaust and air filter). However, increasingly strenuous engine conditions, and the creation of smaller electrodes and longer life plugs required harder and stronger metals. For a better experience, please enable JavaScript in your browser before proceeding. Let’s go over their pros and cons now. I am going to replace the spark plugs in my 2013 Mini Cooper S I was going to buy the NGK 95770 Iridium plugs at $13.99 ea. Price is identical, actually the Ruthenium are a few cents cheaper, but that's negligible. Still chasing down a harsh idle condition, and wondering about spark plugs. Thinking about going back to copper resistor type plugs, and was wondering if anyone has any thoughts about this subject. Copper Core. A spark plug’s reach is defined as the length of the threads. The fine wire spark plugs require less voltage to fire compared to the larger copper electrode, which makes things easier for the ignition system and allows for an increased plug gap to fatten up the spark a little. If the Laser iridium have indeed only one iridium (or platinium + iridium) pointy electrode, I can see the Ruthenium lasting longer. Old copper plugs use a nickel electrode. The cost of iridium spark plugs is their primary disadvantage. Discussion Starter • #1 • Sep 16, 2018. Long story short, I bought 6 iridium spark plugs($31 aarrgg). One can debate whether iridium/platinum spark plugs improve the emissions/fuel economy but as far the performance is concerned, copper plugs are better in stock conditions. However, lifespan is by a wide margin the best when compared with copper. On the right, standard iridium that are OE on the car. I got 9 years and nearly 100k mikes. I wouldn't leave plugs in 100k no matter what they say the double plat can go. DENSO has started to sell IRIDIUM TT spark plugs having a φ0.4 mm iridium alloy center electrode and a 0.7 mm needle-type platinum alloy ground electrode. Because the Iridium used in the center electrode resists erosion by the combustion process better than steel, the electrode can be made finer. Iridium has good longevity and a performance that is decent, which is why iridium plugs tend to be more expensive than any other type. ... Electrically speaking, the copper type plugs, such as the ones from Autolight, convey the power better than the irridium or platinum … Platinum spark plug. Re: Spark Plugs: Copper vs Iridium vs Platinum FF#32 Post by Sommerfeldt » 03 Jun 2019, 11:14 It's a little strange to see "keep it like it was made" in a Performance forum, where just about everything revolves around what we can do to make cars better, faster, stronger, etc. Spark plugs: Copper vs. Twin Head Spark Plug … NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX ®. Many car manufacturers are now using iridium spark plugs in their vehicles, so it’s important to stick with iridium when replacing the plugs rather than downgrading to platinum or copper/nickel. I have replaced Platinum spark plugs at 100k+ miles that looked and measured as new, which I find amazing, vs. the ablation/erosion which used to be common on copper plugs after 30k miles. Maybe on a performance bike but on a bike like the RE(and most bikes tbh) they are going to supply the plug that costs them the least. Spark plugs: Copper vs. The exposed tip is either nickel, platinum, or iridium -- never copper. Today I want to go over the different types of common spark plugs, and how to determine which is the best one for your ride. When I received the iridium plugs, I started to think whether it was worth it and thought of sending it back and get the copper plugs and just replace every year...I didn't and since I already have them, might as well try it. -side note, if you pay $2.99 for an iridium plug i.e. Although the cost of iridium spark plugs gets offset by the added longevity that you get with the product, paying $15 x eight for a V8 engine can get to … For a very long time, only copper spark plugs were available. Hi, So about spark plugs, conventional oem recommendations usually say no platinum or iridium for Re85, do you know whats behind this? YAMAHA XT600E SPARK PLUGS NGK Standard Copper Core : DPR8EA-9 Iridium : DPR8EIX-9 Gap on both has to be 0.9mm (GAP size directly from NGK website) Denso Standart: X24EPR-U9 Regular DENSO X24EPR-U9 (DPR8EA-9) - 420-01-601 - Online Moto Parts Iridium: IX24B Iridium DENSO IX24B (DPR8EIX-9) YAMAHA ×Ô 600 IRIDIUM - 420-01-820 - Vando Re: Spark Plugs: Copper vs Iridium vs Platinum FF#32 Post by 93Regina » 14 May 2016, 21:11 matthew1 wrote: Platinum plugs - OE equipped in most turbo applications (Volvo) these plugs do quite well for cars that are younger and have fewer miles. Performance isn't as incredible. Naughtums. Some coatings can be brittle. Iridium spark plugs are not the best in terms of performance but nothing can beat their longevity. Press J to jump to the feed. Or is it just best to stick with good ol copper plugs on an all stock car? ... so platinum spark plugs will never be worth the small performance gain. Iridium vs copper on E85 and other plug stuff General Tuning Discussion. List of the Disadvantages of Iridium Spark Plugs. I constantly encounter … I got 9 years and nearly 100k mikes (bought in 07 with appx 95k, traded it in at 180k) with zero plug issues. Just bought what the hood said to. The metal in a spark plug has a single purpose: to channel the electrical energy through the spark plug. So, spark plug replacement time for the Mazda (2.3 engine). This can be an advantage in certain situations. Depending on application, iridium plugs can even approach the lifespan of some platinum ones. Pros and Cons: Iridium vs Platinum Spark Plug; 7 Symptoms of a Bad Spark Plug in Your Car; Copper Spark Plugs. 2. 3. Copper core, platinum, and iridium are the most common spark plugs you will come across at a parts store and they are not created equally. However, the porcelain on the Denso Iridiums is slightly weaker than the porcelain found on the majority of copper plugs, so if you have detonation, the Denso's are more likely to break. I always ran Champion coppers in my 2000 TJ. Sounds like your mechanic is trying to upsell you to me. That’s because copper has the lowest melting point of all the currently available spark plug materials (copper melts at 1,983 degrees F, yttrium at 2,779 degrees, platinum at 3,222 degrees and iridium at 4,229 degrees). These spark plugs are well known for accomplishing the 50,000 miles mark without any issues. Copper plugs actually experience rapid edge wear and increased spark plug gap in as little as 10,000 miles. I can't really say how they work in a car, since I've only tried them in motorcycles. As the name indicates, copper spark plugs are constructed from mostly solid copper … Old copper plugs use a nickel electrode. If you’re looking for better conductivity and better performance, you should stick to copper spark plugs. Iridium spark plugs are not the best in terms of performance but nothing can beat their longevity. The iridium plugs are a "cooler" temp plug, so when super charged, they resist pre detonation. I'd say it's the finest spark plug I've ever used. They last a LOT longer than your standard copper or nickel plug. All dual precious metal plugs are designed to provide maximum longevity. The more superior types of spark plugs feature platinum and iridium electrodes and are two to three times … What about platinum plugs? The website also suggests that the dealerships recommend the Iridium Plugs Copper plugs are good for 30,000 plus miles, Iridium plugs are good for 100,000 miles I am guessing that your Ram is a 2011 w/ the 5.7L HEMI The original copper spark plugs were: NGK 92174 {#05149177AB, LZFR5C11, $3.09 each at Rockauto Iridium spark plugs last longer than normal (copper) plugs. Keep in mind that copper spark plugs need to be changed every 20,000 miles. Keep in mind that copper spark plugs need to be changed every 20,000 miles. Follow your owners manual on this one. Autolite, that right there is your issue-i even read quite a few that used NGK iridium plugs but they were using the NGK IX series, but i havent seen anything on the LASER series so i went to NGK website and compared the OEM vs Iridium Laser vs Iridium … Both platinum and iridium plugs last longer than traditional copper for example. Iridium spark plugs. On the other hand, copper spark plugs will wear out at around 35,000 kilometers (give or take few thousand kilometers). Choosing Iridium spark plugs over Platinum ones would be the ultimate choice. Platinum, yttrium and iridium spark plugs are more expensive than copper spark plugs, but these premium coatings provide much better wear resistance. Iridium spark plugs are the best plugs because of their durability but are more expensive than platinum and copper spark plugs. Spark plugs rely on excellent electrical conductivity to help the spark maintain its energy and heat as it crosses the gap, and that means using a highly conductive metal like copper. A forum community dedicated to Jeep Wrangler owners and enthusiasts. But, while it is fairly inexpensive compared to comparably conductive materials like silver, copper is also extremely susceptible to heat damage and corrosion. The change in performance is so small. Platinum-made spark plugs go a little longer than copper plugs but do not touch 25,000 miles. One of the mechanics asked me to change my Iridium Sparkplugs, which is the stock one to Platinum as it gives better mileage and performance. I've got 1, 2005 and 2, 2006 4.0L Jeeps in the family and need plugs on them all. To think a spark plugs is a spark plug is like saying "motor oil is motor oil" Technology advancements can occur at every level. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. Copper spark plugs have a strong copper core, but the working end of the electrode- the centre in fact is 2.5 mm in diameter, it is a nickel alloy. Since copper is far less durable than platinum or iridium electrodes, copper spark plugs are commonly found in cars manufactured before the 1980s, when cars were built with fewer electronic components. However, the overall longevity of these two types of metal is better than copper plugs. The projected ground is the difference. JavaScript is disabled. Iridium-tipped spark plugs offer better power, more complete combustion that leads to smooth-running engines, and a longer lifespan than copper/nickel plugs. On the 4.0, the ignition is designed to use a copper plug. In reality, copper has the best performance of all three and the worst longevity. Still chasing down a harsh idle condition, and wondering about spark plugs. They looked like new. I wouldn't leave plugs in 100k no matter what they say the double plat can go. Performance isn't as incredible. I always think bad upstream O2 sensor when an engine problem like yours only happens once the engine starts to warm up. ... Iridium spark plugs also have lower voltage requirements, meaning they perform better when … I couldn't find much on the internet. It's more expensive than the regular copper plug. Platinum spark plugs are certainly more durable than copper spark plugs. The NGK 6619 Iridium IX Spark Plugs snags the top pick in our spark plug comparison because they offer the best mix of high-performance, fuel efficiency, durability, and dependability. Funny, a few weeks ago I bought the same Ruthenium plugs, to replace the Iridium plugs in our '09 Mazda (with the same 2.3 l engine). Per … Between platinum and iridium plugs, iridium is considered a better option than the platinum, but it still doesn’t match copper’s conductivity. Every plug in the Laser Series was designed for an OEM application. The fine wire spark plugs require less voltage to fire compared to the larger copper electrode, which makes things easier for the ignition system and allows for an increased plug gap to fatten up the spark … I also think you're supposed to use a larger gap on the platinum/iridium plugs to increase the volatge required to jump the gap - that overcomes the weak spark thing. 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. However, they’re not as durable as iridium spark plugs so having to change your spark plugs may be needed sooner. Are iridium plugs really worth the cost? Bosch plugs don't always seem to let our Jeeps run 100% perfectly, a Bosch engineer once opined on a Jeep forum it's due to their more limited assortment of heat ranges when compared to Champion, Autolite, and NGK. In 2013 there is two listings for plugs, older part number SPLZFR5C11 which is used in older than 2013 as well, and the newer part number SP143877AA which is 2013 and newer. Iridium spark plugs give absolutely no improvement in the performance and mileage of the bikes, period. The iridium plugs are a "cooler" temp plug, so when super charged, they resist pre detonation. No, following the appropriate change schedule, I believe 30k, though I did it more frequently, maybe 25k. Every plug, copper, iridium, platinum, unubtainium, etc., has a different resistance. The spark plugs which are the most commonly used and rather used in literally every car and bike from the manufacturer’s end are copper spark plugs. You can see the opposite of this in bikes like the Ducati Superleggera, where cost took a backseat to performance, and they made everything out of carbon fiber as a result. Just use the stock plug. Along these lines, they work ideally at a much lower temperature, enduring in an average of 40,000 – 60,000 miles (contrasted with copper). Iridium-tipped spark plugs offer better power, more complete combustion that leads to smooth-running engines, and a longer lifespan than copper/nickel plugs. Please click here for information about Covid-19 and BREXIT transition: 01244 ... when compared to a traditional copper or even a platinum tipped electrode, without compromising the useful life of the electrode or spark plug. 1. However, lifespan is by a wide margin the best when compared with copper. Answer Save. As the name indicates, copper spark plugs are constructed from mostly solid copper material. The only bikes i would bother changing plug grades on are racing 2 strokes. Platinum vs. Iridium vs. Ruthenium all tout new technological capability, but it may be more related to the relative pricing of those 3 metals. I know the Iridium last a long time, but that really isn't an issue, plugs are cheap and easy to change. I also run NGK iridium plugs in my sportster. Iridium spark plugs made of significantly less conductive material. News, products, problems and results. A single platinum spark plug is basically styled after a copper spark plug with a platinum disc welded to the tip of the center electrode.Since platinum is harder than nickel alloy, it holds its sharp edge for as long as 100,000 miles. If they’re within .002 and you don’t have the gapping pliers (few people do but they’re inexpensive) then I would leave them alone due to the cost of Iridium plugs. Copper spark plugs are better for old (up to 1980's) cars with low voltage distributor based on ignition systems. There is little I can find about Ruthenium spark plugs, except it's the new sliced bread, better, last longer, etc etc. Copper vs Double Platinum Spark Plugs (Pros and Cons) Pros and Cons: Iridium vs Platinum Spark Plug; 7 Symptoms of a Bad Spark Plug in Your Car; 3) ACDelco 41-962 Professional Platinum Spark Plug – The ACDelco 41-962 Professional Platinum Spark Plug is a great choice if you want a clean spark produced and a plug which lasts a long time. On the 4.0, the ignition is designed to use a copper plug. It's a bonus that they last 100,000 miles. Out of the 4 major types of spark plugs on the market, the two which stand out the most are copper spark plugs and double platinum spark plugs. 3. Platinum vs. Iridium? Sounds like your mechanic is trying to upsell you to me. I recently changed the plugs on my Ford Ranger with the original plugs in it at 139,000 miles. A platinum or iridium spark plug will last you something like 80,000 to 100,000 kilometers. Some copper spark plugs use different shapes and configurations to produce similar results for a fraction of the cost. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ models! To think a spark plugs is a spark plug is like saying "motor oil is motor oil" Technology advancements can occur at every level. ... Iridium Spark Plugs. Gap is the same, form factor too. When a copper plug lasts for around 20,000 miles, the average lifespan of an iridium plug is 40,000 – 60,000 miles. 5 Answers. Relevance. In this video, I'll be Installing NGK Iridium Spark Plug in my Honda CB Hornet 160R also comparing it with the Stock Copper Spark Plug and Twin Head Copper Spark Plug. Favorite Answer. 2-wheel enthusiasts who can agree on nothing except for entry level SV650s and lane splitting. When a copper plug lasts for around 20,000 miles, the average lifespan of an iridium plug is 40,000 – 60,000 miles. I should try the Autolites after all. if there was a significant benefit to using a different plug the manufacturer would have done so for you. Look at the flame propagation and yes the older nickel alloy plugs are better than iridium but … Copper refers to the main internal electrode material. Gap was the same as the spec for the new ones. What is meant by this, is that the … Let’s start with the most common spark plug out there, the copper core. Iridium IX ® vs. OE Iridium Spark Plugs. Could someone here help me out on this because if it is to give better mileage, I will go for it. I like when they come back out in one piece. NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX®. ... Pros and Cons: Iridium vs Platinum Spark Plug; 7 Symptoms of a Bad Spark Plug in Your Car; Copper Spark Plugs. 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. On the other hand, they are also a better option than platinum plugs in terms of consistency and longevity. Iridium plugs make a stronger, more localized spark allowing you to run a wider gap at a given boost level. While copper is a good conductor of heat, the plugs wear quickly and must be replaced every 20,000 miles. I doubt the dealer changed them before selling the LJ. Is is better t stick with the OEM copper plugs in my 2010 Dodge Ram 1500 (5.7 V8) or go with a platinum or possibly iridium plug? Iridium is far harder than copper and this allows the spark plug manufacturers to create a plug with a sharper ‘tip’ which better focuses the spark around the centre electrode without compromising its service life. This is one of the chief differences between Iridium vs Platinum spark plug. I pay $3 each for my Autolite AP and APP-985 plugs. Typically the differences in electrode material used in plugs comes down to the plugs longevity of use. 1 decade ago. Unlike the platinum models, they are stable, don’t grow gap over time, and … Is is better t stick with the OEM copper plugs in my 2010 Dodge Ram 1500 (5.7 V8) or go with a platinum or possibly iridium plug? On bikes that it's easy to change plugs, like say a Harley, platinum is just money down the drain. Remember, the smaller the diameter is , the lower the voltage is required to start a spark. As for the 2.7, the ignition system is desigened to work best with the iridium plugs. Despite these drawbacks, copper spark plugs are still a good choice for some engines. I'm no engineer, but if there was a significant benefit to using a different plug the manufacturer would have done so for you. Plugs with platinum or iridium tips have much wider heat ranges. They have been working real for me. I put Bosch double Iridium plugs in about a year ago. You can see the opposite of this in bikes like the Ducati Superleggera, where cost took a backseat to performance, and they made everything out of carbon … 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. I did change the plugs on my 2007 GXP this spring from the original 48-102 to the 42-108. Every plug, copper, iridium, platinum, unubtainium, etc., has a different resistance. Iridium/Platinum plugs are simply for erosion purposes. The truth is that these fine-wire spark plugs are an outstanding choice for a performance street car. A pair of spark plug gapping pliers is by far the safest way to gap plugs, no matter if they’re Iridium, Platinum, or copper core. I like when they come back out in one piece. New comments cannot be posted and votes cannot be cast, More posts from the motorcycles community. Copper Spark Plugs. Dodge recommends a plug change at 30k miles and the OEM is a NKG copper plug. I'm riding a RoyalEnfield Bullet 500 (Cruiser bike). Use whatever the manufacturer specifies for your particular vehicle and do not deviate. This means if durability is a quality that you’re looking for the most, then you won’t get it from platinum spark plugs. Iridium spark plugs made of significantly less conductive material. The PCM doesn't refer to the O2 sensor data when the engine is cold. It has a very large diameter compared to other spark plugs on the market. Information and advice for Denso and NGK Iridium Power and Iridium IX spark plugs. They are better than copper plugs, it's a fact. Spark plugs with a hotter heat range will burn off carbon deposits more easily than a colder plug. 542 Posts . I run an NGK iridium spark plug in my drit bike. Iridium spark plugs. I had 10,000 miles on them. I’m guessing they’re original. Also, it has a nickel alloy-based central electrode. As for the 2.7, the ignition system is desigened to work best with the iridium 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. Since copper is far less durable than platinum or iridium electrodes, copper spark plugs are commonly found in cars manufactured before the 1980s, when cars were built with fewer electronic components. Follow your owners manual on this one. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. “As an example, an Autolite copper 105 versus an XP Iridium 105 will have identical ceramic temperatures and the carbon burn off will be the same,” says Reeves. Bought my Jeep with about 35K miles on it in 2009 and just never got around to replacing/checking the plugs. Iridium spark plugs are highly superior to double platinum spark plugs and cannot compare to the copper ones. Edit: if I recall iridium is actually "better" than platinum in terms of its longevity as the center electrode is stronger. Better and cheaper methods of improving fuel economy exist: religiously checking tire pressures, keeping all filters serviced on time, and riding lower in the rev range. Now I'll need to change them to the NGK type I pulled out.]. Copper/nickel spark plugs are lower in cost and generally have a shorter lifespan – especially if fitted to modern vehicles with high-energy distributor-less ignition systems or coil-on-plug ignition systems. My Maico always ran like garbage and liked to foul up with the old conventional plug. In a recent 1k+hp 2jz dyno the copper plugs just did not ignite with re85 and high boost levels, but denso … These advantages are reflected in the higher price tag. The nickel alloy is also softer than platinum or iridium, so the sharp edge firing you get right out of the box tends to wear out quickly. They feature a fine wire center electrode that is designed to conduct electric energy much better and increase firing efficiency. This because if it is to give better mileage, i bought 6 iridium plug... You something like 80,000 to 100,000 kilometers, maybe 25k the main reason why parts manufacturers moved materials.... ] nickel plug Bosch double iridium plugs are cheap and easy to change channel the electrical better! Maico always ran Champion coppers in my sportster on what you mean by ‘ better ’ ol copper plugs and! Ignition system is desigened to work best with the original plugs in about year... Iridium IX spark plugs are cheap and easy to change i will go for it and... 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