I have a 2011 koup. As the spark plug fires, minute amounts of the electrode evaporate. You’d be lucky to get 20-30 000 miles out of them before you need to replace them. Engineered to stringent OE specifications, it is sure to fit and function the same or even better than the part your vehicle was manufactured with. Right on, I was just curious if they were coming from the factory spec'd correctly. 2010 Forte SX Sedan. When I checked mine, the gap had already shrunk from .044 to .036 ~ .038 by about 20k miles. * To the original retail purchaser. The design also makes the spark hotter and will resist blow out. As far as I can tell via my log book, the mpg has been the same. Oh and by the way, when I checked mine it would appear that there was no anti-seize on the threads because they were stiff the entire way out. Copper spark plugs die out way faster than the other two types. Both Denso iridium racing plug and some NGK Iridium racing plugs have iridium center and a platinum ground electrodes. 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. Dear Neto, I have a 2007 Honda CRV which I imported last year. Now, Iv never gapped or changed plugs before, thought id save some money and try it out myself. ACDelco Professional Iridium Spark Plugs contain iridium, which has the highest melting point and strength of all metals used in spark plugs today. You could damage the spark plug. I've also had the NGK OEM plugs (AC Delco 41-122) and the NGK BRK7IEX iridium plugs and the BRK8Es are by far the best plugs I've had so far. They should last for 100k no problem. Spark plugs have advanced quite a bit from what they were a few decades back. Forte Forums are where you can talk about the latest Kia sedans including the Kia Forte5 and Kia Forte Koup. Spark plugs are one thing you always want to replace with the OEM ones. Have your $tealership strip the aluminum head and cover it on their dime! ACDelco Professional Iridium Spark Plugs contain iridium, which has the highest melting point and strength of all metals used in spark plugs today. The cover pops off. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability Iridium IX ®. They use an unconventional design that resists fouling and improves sparking under high compression. These plugs are super long-life. I would not want to wait 100k (6+ years) before trying to get those out. • Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap. Make sure when you DO replace them that you use the OEM ones and not aftermarket. The Denso? 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. For a better experience, please enable JavaScript in your browser before proceeding. However, they’ve been known to go up to 80,000 miles, or even 120,000 miles, depending on the vehicle. The plugs should be changed at intervals of between 30,000 and 50,000 miles. Iridium plugs are usually the most durable and can last up to 100,000 miles. NGK Iridium OR Ac Delco Iridium Spark Plugs.. ... NGK copper Plugs are 30.07 for your car (including the 10.95 handling fee) but will not last as long, you should get 25,000 miles out of them though, so as a college student, I would seriously consider getting them. Step up to the latest spark plug technology with ACDelco's Professional Iridium Spark Plugs. You could damage the spark plug. Aftermarket Long Life Iridium Plugs Autolite Iridium XP, Champion Iridium, Bosch Iridium and Denso Iridium TT bring the features of OEM iridium long life plugs to the market, with an iridium or iridium enhanced fine wire center electrode and platinum or iridium/platinum tipped ground electrode. Never attempt to gap an ACDelco Professional Iridium Spark Plug. Is that what comes installed from the factory? If you want to restore the original performance of your vehicle's ignition system, this product is what you need. 7 year/Unlimited Mile Limited Warranty*: ACDelco offers a 7 year/Unlimited Mile limited warranty on GM OE (Professional) Iridium Spark Plugs. Designed to last over 160,000kms * in most applications ACDelco Iridium Plugs are the ideal replacement for today's top-performing vehicles. Thanks for sharing. Contact seller for limited warranty part … Rated for at least 160,000KM or 100,000Mi. NOTE: ACDelco Iridium Spark Plugs are pre-gapped during manufacturing. Also, there are two electrodes (core and ground) on these Denso plugs. This has caused some confusion as to why. Effective on parts purchased April 1, 2018 and later to the original retail purchaser. I wouldn't be surprised if it does even longer. Got bored so I pulled all 4 again and measured the gap. Under … ACDelco Professional Double Platinum Spark Plugs are premium ACDelco Professional Double Platinum Spark Plugs are premium aftermarket plugs, and are a high quality replacement for many vehicles on the road today. Iridium is harder than platinum, and in most cases, iridium spark plugs last about 25 percent longer than comparable platinum spark plugs. But that doesn’t mean it’s efficient during its whole life. During routine maintenance, you should change the oil filters, engine oil, fuel filters, but you should also check the condition of your spark plugs. Most copper plugs need to be changed every 20,000 miles or so. They are our latest in spark plug technology and an exact replacement for your vehicleâ€s original components. NOTE: ACDelco Professional Iridium Spark Plugs are pre-gapped during manufacturing. You’ll find a host of different types on the market, from dual and quad tips to iridium tips and many more. Can't. Whether you are choosing from our iridium, double-platinum, RAPIDFIRE ™ single-platinum, conventional, glow plug, marine, or outdoor power equipment lines, each is backed by GM. Iridium composition has the highest melting point and strength of all metals. I can't detect any idling issues, and the acceleration still feels about the same. This brings me to another issue, bi-metallic corrosion. Which copper plugs did you try. Was the gap within spec when you pulled them? 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. Professional™ Iridium Spark Plug by ACDelco®. level 2 Some high-end iridium plugs are advertised to go more than 120,000 miles (193,121 kilometers), but there's no actual guarantee they'll be able to achieve this … ACDelco Professional Iridium Spark Plugs are a high quality replacement for many vehicles on the road today. I just wanted to check because I noticed the idle was just a little rough. The primary reason that spark plugs need to be changed is due to wear and tear. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. Special nickel alloys, platinum, and iridium electrodes, along with copper cores are all used to enhance durability – durability meaning how long a spark plug will last before it needs to be replaced. I keep cars forever so went with these 41-110 iridium plugs. JavaScript is disabled. This means you won’t have to worry about switching out your spark plugs for a long time, depending on how often you’re driving your vehicle. Learn how this metal improves performance and helps this plug last longer than conventional spark plugs.http://www.acdelco.com/auto-parts/spark-plugs.html - Learn more about Spark Plugs http://www.acdelco.com/auto-parts-store-locator.html - Locate a Parts Retail Store http://www.acdelco.com/auto-repair-service-center-locator.html - Find a Professional Service Center Platinum spark plugs are an excellent choice because they are made with a strong, hardy material that can last up to a whopping 100,000 miles. Technically speaking, a spark plug can last 100,000 miles. So do they install denso or ngk plugs in the factory? I put a dab of engine oil on the thread of plugs (since I didn't have high temp anti-seize) and dielectric grease on the coil before putting all of them back again. Question: How long do you keep the stock spark plug? Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. I will probably just go back with the Rapidfire in the 5.7L since I have not had any issues running this plug. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as .4mm. I wouldn't be surprised if it does even longer. Ive seen kia's with over 100k on original plugs and still look decent. Rated for at least 160,000KM or 100,000Mi. 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]. Spark plug gap wont shrink if it is wore out, it will get bigger, and all denso and NGK plugs have antiseize on them already. The plugs are also designed to survive hotter combustion temps. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. How long spark plugs last depends on the brand of spark plug and the condition of the car. The gaps will begin to close because of build up before then. There are 2 clips at the back (start by pulling up and forward from the back) then the front just pops off the plastis spacer piece. Conventional spark plugs need to be replaced every 30,000-50,000 miles. Personally, I believe the 100k interval for spark plugs is a bit much. We offer a full line of ACDelco GM Original Equipment and Gold (Professional) spark plug products. Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap. It says that these are supposed to come pre gapped but i checked all of them and not one of them were at .040 and they were all at random gaps. Never attempt to gap an ACDelco Iridium Spark Plug. (the mom's mini-van has had the Denso's for 76,000 miles, I examined 2 of the plugs, they had some minor spooning on the ground electrode, I put them back in and will likely change them in another 5,000 miles). The gap has widened and it’s not producing as hot a spark. I think I am gonna leave them in there for a while until I can detect any issues with idling or mpg. Nearly all NGK spark plugs, including precious metal iridium and platinum plugs, have a copper core to increase the electrode durability. They are all in spec and the tips are fine without any fouling. Sounds like we are good to go for quite a while. The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ® ideal for the performance enthusiast. Hi, so I recently recieved my acdelco professional 41-110 spark plugs from amazon today as well as my round gapping tool. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. I am going to keep the plugs in as is for 10K at least and then check again. These OEM style plugs typically have special features designed for a specific engine and last 80-120k miles. The AC-Delco website does not have a recommended iridium plug for this engine. Platinum spark plugs run at a higher temperature. Platinum and iridium plugs can often go for twice that before they require changing, but the overall performance will not be as good and you may have to deal with overheating of the plugs. These plugs are super long-life. If you're going to go that route then don't ever touch them. Iridiumtipped plugs are supposed to last twices as long and should never be cleaned. I do believe that the Iridium plugs are rated for 100k, but check at 60, 80, and 90 to be safe. Morimoto 4300K HIDs in MH1 retro'd by Under_Flip, LED interior lights, K-badges, Koup-R Strut bar, Solo Performance Catback(Long Mach QRRez), AEM Dryflow (Koup-R filter), UR Sway and rear lower bars and Tints. It is estimated that iridium spark plugs will last for at least 60,000 miles. Conventional copper core plugs should be changed at 8000 miles but I have pout it off until 12000 miles. They are the latest in spark plug technology and an exact replacement for your vehicle’s original components. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. The Rapidfire # for the 5.7L is #14 though the rockauto website says it can use both the #12 and #14. I've had good experience (other than longevity) with the NGK vPower BRK7E and I just finished my first full day with the NGK BRK8E plugs. 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