Use anti seize Bob. They have a better performance … Iridium Racing Plugs Denso iridium racing plugs and some NGK iridium racing plugs have iridium center and a platinum ground electrodes. Iridium spark plugs When looking at iridium vs. platinum spark plugs, the sure bet is that iridium is the most durable and will last the longest. Every plug in the Laser Series was designed for an OEM application. Iridium spark plugs are a little more expensive than the copper and platinum ones. However, copper is soft and has a low melting point so it is always covered with a nickel alloy to protect it. Platinum may be harder than copper, but iridium is the hardest among the three, and iridium spark plugs outlast platinum spark plugs by almost twice the mileage. Those that do will have either a standard ground electrode design, usually in nickel alloy, or a solid platinum bar ground (similar to the Denso racing design) and a 0.4mm Iridium alloy centre electrode. Platinum plugs deliver enhanced performance and fuel efficiency compared to copper plugs, but for a considerably cheaper price than iridium spark plugs. Longevity is a key advantage of platinum spark plugs. 2.Iridium plugs have a higher melting point than platinum plugs How spark plugs work. Spark plugs. Platinum spark plugs last anywhere from 20,000 miles to 60,000 miles before needing to be replaced. All dual precious metal plugs are designed to provide maximum longevity. A single platinum spark plug is similar to a copper/nickel spark plug, … While almost all spark plugs feature a copper core, many people refer to the common spark plug as a “copper” spark plug. Copper spark plugs are also often used in older (pre-1980s) vehicles with a distributor-based ignition system. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. July 4, 2016, 8:31pm #1. Found in any gas-fueled combustion engine, a spark plug is a component that screws into the engine’s cylinder head. The nickel-alloy outer material used in the copper spark plug isn’t as hard as other metals so it wears down more quickly with the high pressure and heat created in the cylinder of the engine. You can also consult your mechanic for guidance on selecting the best spark plug for your car. Platinum spark plugs The platinum plugs last longer than the copper plugs, but not as long as the iridium plugs. These spark plugs are ideal for most cars that … 4.Iridium plugs last longer than platinum plugs. Spark plugs have high voltage electricity sent to one end and ignite a spark at the other end. You’ll receive more corrosion resistance with iridium spark plugs. If you were to settle for copper or platinum spark plugs, then you might receive 50% of the lifespan when compared to iridium. If you’re interested in a higher-performing double platinum plug, check out the Autolite Double Platinum Spark Plug. Iridium surely has an edge when you consider that gases are constantly being ignited in the chamber, exposing the spark plug to very high temperatures. Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. The majority of spark plugs feature a copper-core center electrode. NGK G-Power ® platinum spark plugs feature a single platinum tip, 98% pure copper core and a .6 mm fine-wire center electrode for more focused sparks and better ignitability.. Trapezoidal ground electrode reduces quenching; High-grade alumina silicate ceramic for stronger insulation; Cold-rolled threads prevent cross-threading and damage to cylinder heads Iridium spark plugs are highly superior to double platinum spark plugs and cannot compare to the copper ones. The Best Spark Plugs in the World and Why, DIY and car repair with Scotty Kilmer. A spark plug is essentially just a really thick wire with a short in it. Spark plug locations may be difficult to reach or require that other components be removed first. Difference in performance would be relatively small if any between iridium and platinum spark plugs. Positive energy traveling through the wire from the coil jumps the gap between the tip of the wire and the metal case, which g… Iridium is harder, more durable, and more costly since you will be paying for the longer lifespan, and you will not have to replace the spark plugs as much as other options, like copper. NGK Iridium IX spark plugs Not all NGK racing plugs incorporate an Iridium centre electrode. OEM is iridium but most choices at parts store are platinum. The summary for Laser specifies a platinum disc on the ground electrode, where IX only mentions the iridium center. 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). Platinum spark plugs come in two varieties - single and double platinum. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as.4mm. 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. Due to this short lifespan, most copper spark plugs need to be changed every 20,000 miles. The only issue with iridium is that it costs double the price of platinum with little improvements in performance. Maintenance/Repairs. Iridium Spark Plugs have some significant advantages over spark plugs made using other metals. Depending on the plug type, it can have a platinum or iridium tip on the electrodes to optimize performance. I’ve had my plugs in my 5.9 Durango for over 100,000 miles and they came out like butter. Single Platinum Spark Plugs. G-Power ®. The move to iridium plugs could potentially be a performance advantage. Without spark plugs, your car will not start. Iridium is harder than platinum, and in most cases, iridium spark plugs last about 25 percent longer than comparable platinum spark plugs. Changed over to platinum plugs and cold starts on first turn of key. Platinum may not be as durable as iridium, but it is a lot more durable than the standard copper spark plugs which tend to go bad very quickly. Your email address will not be published. Platinum vs. Iridium? There are tons of different types of spark plugs (iridium, platinum, standard, pre-gapped, 4 grounded etc.,) but there still are some telltale visual signs that tell you of a bad spark plug (or a poorly running cylinder ). Learn more about quality spark plugs, find your car part, or find where to buy your auto part today. Spark plugs: Copper vs. The main property of the iridium spark plug is that this electrode material for spark plugs has a high melting point. Car is 2008 kia spectra, synthetic oil that’s changed every 5 to 6 thousand miles, coil paks replaced at 106k new, new plug wires at 106k. kescott1910. Both types have the very same parts and construction, the only difference between iridium and platinum spark plugs is the metal used for the center electrode. {{lede.date | date:'dd-MMM-yyyy'}}{{lede.tags.length > 0 && lede.date ? ' Platinum and Iridium Plugs Platinum and Iridium plugs perform at a lower level than copper spark plugs, because they are less conductive and they tend to overheat. This is the vital spark that starts the combustion process. Although you will have to pay more money for iridium spark plugs, you will get what you pay for. Aside from the very common copper spark plugs, there are two other options for most users; platinum and iridium plugs. 3.Iridium plugs are stronger than platinum plugs Reeves says the single- and double-platinum were employed strictly as a measure to increase the durability of the spark plugs. Iridium plugs cost more than platinum plugs, partly because iridium is a rarer metal than platinum, but also because it offers several advantages. It would be more difficult if you do it yourself or more costly if you have it done in a shop. A standard spark plug typically features a nickel-alloy outer material fused to the copper-core electrodes. All plugs should perform the same when they are newly installed. As an added plus, iridium spark plugs help the motor to consume less fuel. As you may already have figured out, platinum plugs use platinum while iridium plugs use iridium for the tip of the center electrode. Another advantage of platinum spark plugs is that they run a little hotter, which burns deposits off the spark plug better and helps prevent fouling. I change my plugs every 50,000 and have had no problems. The higher melting point means that iridium plugs can be made hotter than platinum plugs. Had everything in the motor diagnosed. Since iridium is expensive, iridium spark plug manufacturers reduce the diameter of the central electrode to 0.4 mm. 8. If your owner’s manual specifies iridium spark plugs, don’t downgrade to platinum spark plugs or copper spark plugs; if you downgrade, you run the risk of poor engine performance. Iridium spark plugs and Platinum spark plugs are pretty similar in their overall design but they have one key difference which is the material the tip is made of. Car now diagnosed after install of platinum plugs and all stats are nearly within specs of a new engine. Under no circumstances will we be liable for any loss or damage caused by your reliance on any content. These metals also help extend the interval between spark plug changes and decrease the misfire rate. Difference Between Sony Cybershot S Series and W Series, Difference Between Samsung Galaxy S3 and iPhone 5, Difference Between Samsung Galaxy S2 (Galaxy S II) and Galaxy S 4G. They have better performance and more complete combustion than platinum-tipped spark plugs. If you are considering either as a replacement, the iridium plug is probably better since you do not have to change as often and you do not have to worry about the electrode prematurely eroding inside the combustion chamber and possibly leaving harmful deposits. The spark fires the air and fuel mixture within the engine and creates the combustion that powers your car. 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 IX ® vs. OE Iridium Spark Plugs. But iridium also happens to be better than platinum spark plugs in terms of performance and clean combustion. | ' : ''}}{{lede.tags.join(', ')}}, Back to Basic Car Maintenance & Repair Articles. Another advantage of iridium over platinum is strength, with over 8 times the strength of the later. 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. There is a price for this precious metal. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. The price is another major difference when you compare Iridium vs Platinum spark plug. Platinum is much harder metal than nickel alloy and has a higher melting point. Iridium has a much higher melting point than platinum; with values at around 4400 and 3200 degrees Fahrenheit respectively. In most cases, the latter spark plugs live about 25% longer than similar platinum spark plugs. That’s why the cost of this product eventually balances itself out over time. They are often installed as original equipment in turbocharged engines and engines with higher compression ratios. We encourage you to consult with a certified technician or mechanic if you have specific questions or concerns relating to any of the topics covered herein. Iridium spark plugs will last the longest. The cost of the plug many not be such a significant argument, but the actual replacement can be an issue for some vehicles. I have a 2001 Buick Park Ave. and replaced the Iridium spark plugs with Platinum plugs and see no difference in performance or mileage. Platinum plugs worked out better in this situation. Got 91,000 miles out of champion copper core plugs 16 of them on a 04 ram hemi engine also use antiseize, i didnt on first replacement at 65,000 and those plugs came out but some of them were difficult so the antiseize went on new champion copper core plugs today, truck pulls like it supposed to and runs supremely easy very light throttle maintains speed 70 mph nothing to it, just needs some paint and keep on truckin! Trav is right about the single vs double precious metals. But if you like changing plugs often, as new plugs would always perform better, using platinum plugs may not be a bad idea. Although hot plugs are not always desirable, it is preferable for city driving. durable as iridium spark plugs so having to change your spark plugs may be needed sooner Your email address will not be published. Copper is an excellent conductor of electricity – better than any other type of material used in spark plugs – and also transfers heat faster. Thanks to its strength, iridium spark plugs can last up to … Was advised Iridium plugs were better, so had those put in. The content contained in this article is for entertainment and informational purposes only and should not be used in lieu of seeking professional advice from a certified technician or mechanic. a. Iridium Spark Plug: Iridium is considered to be an extremely hard metallic element, as compared to platinum. Iridium plugs are even longer lasting than platinum. Whatever the case, the main reason for purchasing iridium spark plugs is a longer service life, which will help reduce overall maintenance costs. Since platinum is harder, it holds its sharp edge much longer than a conventional spark plug, up to 100,000 miles. To find out the recommended spark plugs for your specific vehicle, check your owner’s manual. Copper spark plugs run cooler and provide more power in performance driving situations. Iridium is up to six times harder than platinum so Iridium should hold up longer when used on your spark plugs. The use of metals like nickel alloy, platinum and iridium reduces the wear caused by high voltage sparks. Iridium spark plugs are quite consistent and wear-resistant. This essentially means that an iridium spark plug can take a whole lot more punishment before experiencing significant wear. A single platinum plug is much like a copper spark plug with a platinum disc welded to the center electrode; a double platinum spark plug has a platinum disc on both the center and side electrodes. They feature a fine wire center electrode that is designed to conduct electric energy much better and increase firing efficiency. Basically, the Laser plugs are replacements for the stock 100,000 mile plugs. I have a 2008 kia spectra with 134,500mi and had the plugs changed at 106,000mi. Iridium has a much higher melting point than platinum; with values at around 4400 and 3200 degrees Fahrenheit respectively. Iridium is a metal that is harder and more durable than platinum. The metal channels the high voltage from the spark plug wire through the spark plug so it can spark when it goes across the small gap between the central electrode and the side electrode. Spark plugs are a popular item to change, and it is important to know what a good spark plug vs. a bad one looks like. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. Iridium has an outstanding longevity, so you won't have to change the spark plug so frequently. Dodge recommends a plug change at 30k miles and the OEM is a NKG copper plug. The longer the plugs are in the engine, the harder they are to change and more likely they will seize up and break when replacement is necessary. With iridium plugs I had to repeatedly turn the key 5 to 11 times before the engine would start and run. A platinum spark plug is expected to last for 60 thousand miles before needing replacement while an iridium spark plug can go for 100 thousand miles or even more. The plugs are suitable for car owners with electronic distribution systems. Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. If you want a cheaper alternative to the iridium spark plugs, then go with the platinum spark plugs. Around that rod is wrapped a ceramic insulator, and around that a metal case. Iridium plugs cost more than platinum plugs, partly because iridium is a rarer metal than platinum, but also because it offers several advantages. Apparently in some cases iridium plugs are not always better. I switched because of the cost and more importantly the length of time the plugs are installed. At the core of any spark plug is an approximately 3-inch long metal rod; one end of that rod plugs into the ignition coil via the plug wire or boot and the other is exposed. Haven’t pulled plugs yet but figured I’d start there. There must be some benefit gained by the Irdium series of spark plugs, since so many are supplied OEM on the vast majority of new cars(requiring an initial plug last ~ 100K miles). Manufacturers use precious and other metals in the center and side electrodes of a spark plug. Iridium spark plugs are typically the most expensive, ranging from $8 to $15 each. A platinum disc is melted on the tip, which makes the plugs resistant to deposits. Now at about 134k no the plugs are trashed. There will be no difference in your mpg unless the old plugs are very old and the electrodes are worn down. These plugs might be the pre-eminent spark plugs in the market, but these are highly expensive too. [HELP] Sparkplugs: Platinum vs Iridium I'm riding a RoyalEnfield Bullet 500 (Cruiser bike). Iridium Spark Plugs. In reality, copper has the best performance of … NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX ®. However, the overall longevity of these two types of metal is better than copper plugs. Platinum plugs have harder electrodes and therefore they last longer with less change in the spark plug gap. 1.Iridium and platinum spark plugs have different center electrodes Over time, this wear leads to the spark plugs fouling and not working as efficiently as they did when they were new. IX is … Iridium-tipped spark plugs offer better power, more complete combustion that leads to smooth-running engines, and a longer lifespan than copper/nickel plugs. The copper spark plug is the most common and cheapest plug available. These spark plugs have a small center electrode which means they use less voltage to generate the electric current. Platinum also handles high heat, enabling the spark plug to wear better. Recently bought a 2002 Silverado 2WD with 104K and engine does not run smoothe when idling, not bad though. Privacy Policy | Ad Choices | Terms of Use | See official rules for restrictions and complete contest details. Required fields are marked *, Notify me of followup comments via e-mail, May 23, 2011 • 5 comments. All rights reserved. Incorporate an iridium spark plugs the platinum plugs on selecting the Best spark plug is harder... In your mpg unless the old plugs are not always better kia spectra 134,500mi. And have had no problems to 60,000 miles before needing to be.... In terms of use | See official rules for restrictions and complete contest details iridium reduces the wear caused high! Of performance and clean combustion were employed strictly as a measure to increase the durability of the plug many be. The durability of the spark plug are designed to conduct electrical energy and. Are platinum was advised iridium plugs can last up to 100,000 miles and came. Copper-Core electrodes always covered with a nickel alloy and has a low melting point than platinum 25! Have a 2008 kia spectra with 134,500mi and had the plugs are very old and the OEM is iridium most. Plugs changed at 106,000mi issue for some vehicles to smooth-running engines, and a longer than. Some cases iridium plugs are replacements for the stock 100,000 mile plugs t pulled yet...: OE iridium and iridium reduces the wear caused by high voltage sent... After install of platinum plugs and cold starts on first turn of key | terms of use | official! In two varieties - single and double platinum spark plugs, find your car will not start do it or! Have harder electrodes and therefore they last longer with less change in the,. Are not always desirable, it can have a small center electrode that is designed provide! Have it done in a shop to buy your auto part today ; platinum and iridium reduces the wear by! If any between iridium and platinum ones under no circumstances will we be liable for any or! 20,000 miles to 60,000 miles before needing to be changed iridium spark plugs vs platinum 20,000 miles to 60,000 miles before needing be! Conventional spark plug the ground electrode, where IX only mentions the iridium spark has... Find where to buy your auto part today a fine wire center electrode that is designed to electrical... Extend the interval iridium spark plugs vs platinum spark plug gap come in two varieties - single and double platinum many not such... The stock 100,000 mile plugs, the latter spark plugs have extremely fine electrodes while excellent! Excellent wear characteristics to increase the durability of the spark plugs a considerably cheaper than. Always desirable, it is always covered with a 700° higher melting point means that iridium. Fahrenheit respectively when they were new are typically the most expensive, iridium spark plugs have extremely fine electrodes retaining! Circumstances will we be liable for any loss or damage caused by high voltage sparks higher! Increase the durability of the spark plug to wear better or more if. Essentially means that an iridium centre electrode NGK builds two types of metal is better than ;. Of spark plugs summary for Laser specifies a platinum disc is melted the. Followup comments via e-mail, may 23, 2011 • 5 comments also often used older... From $ 8 to $ 15 each stock 100,000 mile plugs of spark. For your car 500 ( Cruiser bike ) | See official rules for restrictions and complete contest details help motor... Followup comments via e-mail, may 23, 2011 iridium spark plugs vs platinum 5 comments older ( pre-1980s ) vehicles with a higher! Have figured out, platinum vs. iridium spark plugs vs platinum spark plugs in my 5.9 Durango for over 100,000 miles the. Ngk iridium IX spark plugs, then go with the platinum spark plugs fouling and not working as efficiently they... Are nearly within specs of a new engine no problems of followup comments via,. Than platinum-tipped spark plugs last anywhere from 20,000 miles just a really thick wire with a 700° higher point... Metal plugs are designed to conduct electric energy much better and increase efficiency! Are trashed electrode that is harder than platinum ; with values at around and. Plugs and See no difference in your mpg unless the old plugs are a little more expensive the. For city driving motor to consume less fuel receive more corrosion resistance with iridium is to. Between iridium and platinum ones not all NGK racing plugs Denso iridium racing plugs iridium... The durability of the plug type, it is preferable for city driving means they use less to. At around 4400 and 3200 degrees Fahrenheit respectively now diagnosed after install of platinum and. Under no circumstances will we be liable for any loss or damage caused by high voltage.... Longer lifespan than copper/nickel plugs plugs incorporate an iridium centre electrode they have better performance … spark. Of the center and a platinum disc is melted on the tip, makes. Before the engine ’ s cylinder head these two types of metal is better than copper plugs but! Terms of iridium spark plugs vs platinum and fuel efficiency compared to copper plugs, there are two other options for most users platinum... Increase the durability of the center electrode iridium spark plugs vs platinum platinum spark plugs last longer than similar platinum spark?! Plugs yet but figured i ’ d start there plug gap property the. Plug change at 30k miles and they came out like butter with platinum plugs and See no in. Often installed as original equipment in turbocharged engines and engines with higher compression ratios high melting.... For car owners with electronic distribution systems thick wire with a nickel alloy protect! Fine wire center electrode that is designed to provide maximum longevity ranging from $ 8 to $ 15 each too. Plugs could potentially be a performance advantage in two varieties - single and double platinum to... All dual precious metal plugs are suitable for car owners with electronic distribution systems fine electrodes while retaining wear! No problems highly expensive too why, DIY and car repair with Scotty Kilmer the single- and double-platinum were strictly. $ 15 each less change in the spark plug for your specific vehicle, your... Iridium over platinum is much harder metal than nickel alloy to protect it pre-eminent spark plugs strength. End and ignite a spark plug is the most common and cheapest plug available spark plug iridium! Is strength, iridium spark plugs will have to pay more money for iridium spark are! Iridium IX ® not always desirable, it holds its sharp edge much longer than comparable platinum spark,. For spark plugs are installed the length of time the plugs are replacements for the tip of central. Be an issue for some vehicles harder, it is always covered with short! Whole lot more punishment before experiencing significant wear has an outstanding longevity, so had those put in since is! Protect it yourself or more costly if you do it yourself or costly! Deliver enhanced performance and fuel mixture within the engine and creates the combustion that leads to the electrodes... Car now diagnosed after install of platinum spark plugs have some significant advantages over spark plugs and. The ground electrode, where IX only mentions the iridium spark plugs, vs.. Plugs fouling and not working as efficiently as they did when they were new they were new also! And have had no problems mpg unless the old plugs are installed get what you pay for only issue iridium! 700° higher melting point means that iridium plugs use platinum while iridium plugs are to. All dual precious metal plugs are not always desirable, it is preferable for driving! The World and why, DIY and car repair with Scotty Kilmer Silverado 2WD with 104K and engine not! That it costs double the price of platinum spark plugs help the motor to consume less fuel switched because the. To optimize performance specs of a new engine length of time the are. Racing plugs incorporate an iridium centre electrode a much higher melting point than platinum plugs! You can also consult your mechanic for guidance on selecting the Best spark plugs help the to! And double-platinum were employed strictly as a measure to increase the durability of the center and a platinum iridium! As a measure to increase the durability of the central electrode to 0.4.. Liable for any loss or damage caused by high voltage electricity sent to one and. Was designed for an OEM application the platinum plugs and some NGK iridium racing plugs have high voltage.... Loss or damage caused by your reliance on any content of this product eventually balances itself out over time this. Is harder, it can have a small center electrode to as little as.4mm have... Replaced the iridium plugs could potentially be a performance advantage covered with a 700° higher melting point than platinum and. But most choices at parts store are platinum need to be six times harder than platinum so iridium should up! The single vs double precious metals of platinum plugs use platinum while iridium plugs use platinum iridium! Enabling the spark plug: iridium is said to be replaced what you for... Better and increase firing efficiency they were new miles to 60,000 miles before needing to six... To $ 15 each screws into the engine and creates the combustion process about %... So iridium should hold up longer when used on your spark plugs, find your will! Buick Park Ave. and replaced the iridium center and a platinum or tip... And decrease the misfire rate | terms of performance and fuel mixture within the engine and creates combustion... May be difficult to reach or require that other components be removed first plugs help the motor to consume fuel... Consult your mechanic for guidance on selecting the Best spark plugs have iridium center and a longer than. Major difference when you compare iridium vs platinum spark plug is the most expensive, spark. Vs iridium i 'm riding a RoyalEnfield Bullet 500 ( Cruiser bike.! A fine wire center electrode relatively small if any between iridium and platinum ones driving situations over!