Iridium spark plugs will last the longest. Thanks to its strength, iridium spark plugs can last up to … 8. July 4, 2016, 8:31pm #1. Spark plugs. G-Power ®. Iridium spark plugs are a little more expensive than the copper and platinum ones. If you were to settle for copper or platinum spark plugs, then you might receive 50% of the lifespan when compared to iridium. I’ve had my plugs in my 5.9 Durango for over 100,000 miles and they came out like butter. 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. Manufacturers use precious and other metals in the center and side electrodes of a spark plug. Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Copper is an excellent conductor of electricity – better than any other type of material used in spark plugs – and also transfers heat faster. Iridium is up to six times harder than platinum so Iridium should hold up longer when used on your spark plugs. Spark plugs have high voltage electricity sent to one end and ignite a spark at the other end. 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 The spark fires the air and fuel mixture within the engine and creates the combustion that powers your car. 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. These spark plugs have a small center electrode which means they use less voltage to generate the electric current. A spark plug is essentially just a really thick wire with a short in it. That’s why the cost of this product eventually balances itself out over time. Iridium-tipped spark plugs offer better power, more complete combustion that leads to smooth-running engines, and a longer lifespan than copper/nickel plugs. All dual precious metal plugs are designed to provide maximum longevity. All rights reserved. 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. Platinum spark plugs come in two varieties - single and double platinum. ACDelco 41-993 Professional Iridium Spark Plug. Iridium Spark Plugs have some significant advantages over spark plugs made using other metals. As you may already have figured out, platinum plugs use platinum while iridium plugs use iridium for the tip of the center electrode. But iridium also happens to be better than platinum spark plugs in terms of performance and clean combustion. NGK Iridium IX spark plugs Not all NGK racing plugs incorporate an Iridium centre electrode. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. 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? Platinum plugs worked out better in this situation. Was advised Iridium plugs were better, so had those put in. Platinum spark plugs last anywhere from 20,000 miles to 60,000 miles before needing to be replaced. Your email address will not be published. Now at about 134k no the plugs are trashed. However, copper is soft and has a low melting point so it is always covered with a nickel alloy to protect it. NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX ®. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. 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. Copper spark plugs are also often used in older (pre-1980s) vehicles with a distributor-based ignition system. Car now diagnosed after install of platinum plugs and all stats are nearly within specs of a new engine. Iridium has an outstanding longevity, so you won't have to change the spark plug so frequently. Changed over to platinum plugs and cold starts on first turn of key. 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! Iridium has a much higher melting point than platinum; with values at around 4400 and 3200 degrees Fahrenheit respectively. To find out the recommended spark plugs for your specific vehicle, check your owner’s manual. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as.4mm. 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). 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. Recently bought a 2002 Silverado 2WD with 104K and engine does not run smoothe when idling, not bad though. Iridium Spark Plugs You must have guessed that iridium is harder than platinum. It would be more difficult if you do it yourself or more costly if you have it done in a shop. Found in any gas-fueled combustion engine, a spark plug is a component that screws into the engine’s cylinder head. 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. Without spark plugs, your car will not start. The cost of the plug many not be such a significant argument, but the actual replacement can be an issue for some vehicles. 3.Iridium plugs are stronger than platinum plugs 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. Spark plugs: Copper vs. 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. I have a 2001 Buick Park Ave. and replaced the Iridium spark plugs with Platinum plugs and see no difference in performance or mileage. Difference in performance would be relatively small if any between iridium and platinum spark plugs. All plugs should perform the same when they are newly installed. [HELP] Sparkplugs: Platinum vs Iridium I'm riding a RoyalEnfield Bullet 500 (Cruiser bike). I switched because of the cost and more importantly the length of time the plugs are installed. The price is another major difference when you compare Iridium vs Platinum spark plug. 4.Iridium plugs last longer than platinum plugs. They have a better performance … A single platinum spark plug is similar to a copper/nickel spark plug, … The plugs are suitable for car owners with electronic distribution systems. This essentially means that an iridium spark plug can take a whole lot more punishment before experiencing significant wear. Maintenance/Repairs. Iridium is harder than platinum, and in most cases, iridium spark plugs last about 25 percent longer than comparable platinum spark plugs. 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. durable as iridium spark plugs so having to change your spark plugs may be needed sooner You’ll receive more corrosion resistance with iridium spark plugs. 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. I have a 2008 kia spectra with 134,500mi and had the plugs changed at 106,000mi. The main property of the iridium spark plug is that this electrode material for spark plugs has a high melting point. While almost all spark plugs feature a copper core, many people refer to the common spark plug as a “copper” spark plug. The only issue with iridium is that it costs double the price of platinum with little improvements in performance. In most cases, the latter spark plugs live about 25% longer than similar platinum spark plugs. Platinum plugs have harder electrodes and therefore they last longer with less change in the spark plug gap. Use anti seize Bob. These spark plugs are ideal for most cars that … There will be no difference in your mpg unless the old plugs are very old and the electrodes are worn down. Platinum is much harder metal than nickel alloy and has a higher melting point. These metals also help extend the interval between spark plug changes and decrease the misfire rate. A standard spark plug typically features a nickel-alloy outer material fused to the copper-core electrodes. This is the vital spark that starts the combustion process. Iridium plugs are even longer lasting than platinum. Dodge recommends a plug change at 30k miles and the OEM is a NKG copper plug. Iridium plugs cost more than platinum plugs, partly because iridium is a rarer metal than platinum, but also because it offers several advantages. 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. If you want a cheaper alternative to the iridium spark plugs, then go with the platinum spark plugs. Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Basically, the Laser plugs are replacements for the stock 100,000 mile plugs. 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 ). The higher melting point means that iridium plugs can be made hotter than platinum plugs. Apparently in some cases iridium plugs are not always better. Iridium has a much higher melting point than platinum; with values at around 4400 and 3200 degrees Fahrenheit respectively. Aside from the very common copper spark plugs, there are two other options for most users; platinum and iridium plugs. 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. Iridium plugs cost more than platinum plugs, partly because iridium is a rarer metal than platinum, but also because it offers several advantages. Learn more about quality spark plugs, find your car part, or find where to buy your auto part today. 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. As an added plus, iridium spark plugs help the motor to consume less fuel. Longevity is a key advantage of platinum spark plugs. Platinum plugs deliver enhanced performance and fuel efficiency compared to copper plugs, but for a considerably cheaper price than iridium spark plugs. 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). Trav is right about the single vs double precious metals. 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. {{lede.date | date:'dd-MMM-yyyy'}}{{lede.tags.length > 0 && lede.date ? ' The Best Spark Plugs in the World and Why, DIY and car repair with Scotty Kilmer. The summary for Laser specifies a platinum disc on the ground electrode, where IX only mentions the iridium center. Copper spark plugs run cooler and provide more power in performance driving situations. 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. How spark plugs work. A platinum disc is melted on the tip, which makes the plugs resistant to deposits. They have better performance and more complete combustion than platinum-tipped spark plugs. 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. 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. 2.Iridium plugs have a higher melting point than platinum 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… Spark plug locations may be difficult to reach or require that other components be removed first. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Platinum vs. Iridium? 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. Haven’t pulled plugs yet but figured I’d start there. Over time, this wear leads to the spark plugs fouling and not working as efficiently as they did when they were new. ©2020 DRiV Incorporated. I change my plugs every 50,000 and have had no problems. But if you like changing plugs often, as new plugs would always perform better, using platinum plugs may not be a bad idea. In reality, copper has the best performance of … You can also consult your mechanic for guidance on selecting the best spark plug for your car. Iridium spark plugs are quite consistent and wear-resistant. Platinum also handles high heat, enabling the spark plug to wear better. 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. They are often installed as original equipment in turbocharged engines and engines with higher compression ratios. Since iridium is expensive, iridium spark plug manufacturers reduce the diameter of the central electrode to 0.4 mm. Depending on the plug type, it can have a platinum or iridium tip on the electrodes to optimize performance. Iridium spark plugs are highly superior to double platinum spark plugs and cannot compare to the copper ones. The copper spark plug is the most common and cheapest plug available. Reeves says the single- and double-platinum were employed strictly as a measure to increase the durability of the spark plugs. Although hot plugs are not always desirable, it is preferable for city driving. Iridium IX ® vs. OE Iridium Spark Plugs. Single Platinum Spark Plugs. a. Iridium Spark Plug: Iridium is considered to be an extremely hard metallic element, as compared to platinum. 1.Iridium and platinum spark plugs have different center electrodes Due to this short lifespan, most copper spark plugs need to be changed every 20,000 miles. OEM is iridium but most choices at parts store are platinum. 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. Although you will have to pay more money for iridium spark plugs, you will get what you pay for. 2002 Chevrolet Silverado, Platinum vs. iridium spark plugs? However, the overall longevity of these two types of metal is better than copper plugs. Under no circumstances will we be liable for any loss or damage caused by your reliance on any content. With iridium plugs I had to repeatedly turn the key 5 to 11 times before the engine would start and run. Had everything in the motor diagnosed. Privacy Policy | Ad Choices | Terms of Use | See official rules for restrictions and complete contest details. They feature a fine wire center electrode that is designed to conduct electric energy much better and increase firing efficiency. The use of metals like nickel alloy, platinum and iridium reduces the wear caused by high voltage sparks. 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. 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. There is a price for this precious metal. Iridium spark plugs are typically the most expensive, ranging from $8 to $15 each. Since platinum is harder, it holds its sharp edge much longer than a conventional spark plug, up to 100,000 miles. If you’re interested in a higher-performing double platinum plug, check out the Autolite Double Platinum Spark Plug. 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. Iridium is a metal that is harder and more durable than platinum. IX is … Required fields are marked *, Notify me of followup comments via e-mail, May 23, 2011 • 5 comments. The move to iridium plugs could potentially be a performance advantage. Around that rod is wrapped a ceramic insulator, and around that a metal case. These plugs might be the pre-eminent spark plugs in the market, but these are highly expensive too. 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. The majority of spark plugs feature a copper-core center electrode. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. Your email address will not be published. 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