NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX®. posted 2015-May-13, 11:01 pm AEST Sir Fredoops writes... id always get iridium or platinum, put it in a forget about … You aren’t the only one. Many get stuck at the difficult decision deciding between these two types of plugs. I had 10,000 miles on them. All dual precious metal plugs are designed to provide maximum longevity. For other uses, see Coil. Who cares if the emissions dont fire as good unless you live in Calif. 3ohAvant. The verdict is still out, need to put more mileage of it. Copper VS. Iridium Plugs. Join Date Mar 09 2004 AZ Member # 1183 Location east bay, CA. Iridium is a better conductor and lasts longer. Register or Log In now! Iridium vs. Copper vs. Stock (FOR CHIPPED 1.8T) Guest-only advertisement. They have been working real for me. Compare Iridium vs Copper of the Periodic Table on all their Facts, Electronic Configuration, Chemical, Physical, Atomic properties. Iridium has good longevity and a performance that is decent, which is why iridium plugs tend to be more expensive than any other type. Print it and put it in your manual. They also made 0.26HP more, on average, than the Iridiums. I'd say it's the finest spark plug I've ever used. My Photo Gallery: 0. Iridium IX® vs. OE Iridium Spark Plugs. Butt dyno say not as peppy. I was thinking about replacing the "main" plugs with iridium and the emission or extra plugs with copper. Denso Iridium : IWF22: IWF22: IW16: IW16: IWF22: NGK: B6HS: B-6L: BPR5ES-11: BPR5ES-11 – NGK Iridium – – BPR5EIX-11 * – – Splitfire : SF412C: SF426E: SF98E – *Not for use with point ignitions. The Coil is a block added by LibVulpes. The dyno tests show the Iridium plugs made more torque than the Pulstars, which barely made more torque than platinums. I have been back and forth between the 204's and 254e's on my 2010 96 SG. Copper vs Platnium vs Iridium Spark Plugs. So if you buy platinum plugs, they may last longer but you do not get any performance boost. 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 may give you a tiny boost but hardly noticeable by the average Joe. 01-04-2008 02:16 AM #2. Jump to Latest Follow 1 - 12 of 12 Posts ... Needless to say iridium lasts a long time. 542 Posts . Every plug in the Laser Series was designed for an OEM application. They are used in several crafting recipes as well as in the construction of various multiblocks from Advanced Rocketry. It has a very large diameter compared to other spark plugs on the market. I have been waiting to hear/see some dyno results. No where did I state different. As the name indicates, copper spark plugs are constructed from mostly solid copper material. Every plug, copper, iridium, platinum, unubtainium, etc., has a different resistance. The main types of spark plugs are copper/nickel, iridium, single platinum, double platinum, and silver. 518 Posts . Both platinum and iridium will last you long, but both of these metals are inferior conductors compared to something like copper. Remember, the smaller the diameter is , the lower the voltage is required to start a spark. It comes in 5 materials: Copper, Gold, Aluminum, Titanium and Iridium. It is "easier" for the spark to happen on the iridium plugs. The heat of the spark itself and high combustion temperatures quickly wear down the edges of both the center and side electrodes. This link gives a list of all the different plugs you can use. Its the top list on the page (twin cam). This has been asked many times on the forum. Thanks for the post on the new 254e cams. $12x16= $192 is hard to take and I don't like leaving sp in for 100k. Spark plugs have a vast range of construction, just in metals alone you can find aluminum, iridium, platinum, copper, and more. Comments please . I run an NGK iridium spark plug in my drit bike. So making coils go out is highly doubtful. SN95 4.6L Mustang Tech: 26: Oct 3, 2006: Copper Header gaskets VS Stock BBK gaskets: Fox 5.0 Mustang Tech: 7: Aug 30, 2006: copper rtv for lower intake? Your numbers seem low in my opinion, others with the SE 255 in a 96 are in the 85-90HP and 90-100TQ with a good 2 into 1 exhaust, air cleaner and programmer. Re: Iridium vs. Copper vs. Stock (FOR CHIPPED 1.8T) coppers … Another spark plug thread (copper vs iridium) Discussion in 'Engine & Performance' started by blabarre, May 28, 2020. On the 4.0, the ignition is designed to use a copper plug. Most copper plugs need to be changed every 20,000 miles or so. Any machine that requires Coils can use any of them. At 2,100 rpm, you’ve already got 94.94 lb-ft of torque to play with. posted 2015-May-13, 11:01 pm AEST ref: whrl.pl/ReiFTY. Discussion Starter • #1 • Sep 16, 2018. View Profile View Forum Posts View Blog Entries View Articles Veteran Member Four Rings. Also, it has a nickel alloy-based central electrode. That's 0.001%, statistically insignificant. User #293473 6641 posts. 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. Okay, after an exhaustive read of the old posts, I've got it down to these two plugs from my I/E/Headers 2002 Coupe with 42k miles. As for the 2.7, the ignition system is desigened to work best with the iridium plugs. id always get iridium or platinum, put it in a forget about it for years. 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. I put Bosch double Iridium plugs in about a year ago. A bigger spark logically needs a bigger gap. Whirlpool Forums Addict reference: whrl.pl/ReiFTY. Still chasing down a harsh idle condition, and wondering about spark plugs. The center electrode of this type of spark plug is a copper core coated with a nickel alloy. We recently got a chance to spend a little more time on the 2014 Indian Chief Vintage, so we took the opportunity to put it on our in-house dyno. For the OE Iridium series, dual precious metal means iridium on the center tip and platinum on the ground electrode. Discussion Starter • #1 • Oct 29, 2004. Copper core spark plugs are still the most common. Depends on what you mean by ‘better’. An iridium plug will outlast a copper plug by 10 fold mileage wise. Iridium spark plugs last longer than normal (copper) plugs. Still, the difference between these plugs in terms of overall quality is minimal, as there is a trade off for each. MPG would be the same or very minor in differences. Nickel is a hard, inexpensive metal used in most all spark plug designs. Although Iridium is a slightly better conductor than Copper. This can be an advantage in certain situations. Can go 40k with the copper even though they say 30k. Dec 21, 2007 283 14 18 Washington . If you dyno a copper and iridium plug both at .26 (or .22) gap, and then expect the iridium plug to make some kind of fairy dust spark which magically burns more complete in the cylinder - you are crazy. They likely will not perform or last as long as the plugs with a higher iridium content. Feb 15, 2009 #12 There are lots of differences between 2-Stroke and 4-Stroke. Visit CV Performance for Harley NGK, Champion, and Autolite spark plugs. Jump to Latest Follow 1 - 17 of 17 Posts ... Thats the biggest benefit of iridium plugs. You can also consult your mechanic for guidance on selecting the best spark plug for your car. At $25/ea for the Pulstars, vs $8/ea for the Iridium...well, you do the math. But copper can’t maintain sharp edges very long. I have used HD, Screamin Eagle, NGK and Champions and noticed no difference with any of them. Iridium vs. Copper. Our Periodic Element comparison tool allows you to compare Periodic Elements properties side by side for all 118 elements | SchoolMyKids Interactive Dynamic Periodic Table, Periodic Table Element Comparison tool, Element Property trends The 108's reduced the carbon coming form the exhaust as has been noted on this forum. copper plugs: 40k km iridium: 100k km platinum: 100k+ km. I am done trying to please the keyboard mechanics on this forum. In trecut am mai pus la motor pe carburatie iridium si nu am simtit diferente pe butt-dyno cum se zice si nici la consum. People buy these spark plugs thinking they have improved the spark and … The iridium plugs are a "cooler" temp plug, so when super charged, they resist pre detonation. Lets get back to riding and having a great rest of the winter. Guidance on selecting the best spark plug in my sportster times on new. There is a trade off for each do the math changed every miles... Every 20,000 miles or so well as in the Laser Series was designed for an OEM application down. 20,000 miles or so outlast a copper core spark plugs are a `` cooler '' temp plug so! G-Series iridium instead of copper bc it was only a $ 1 more and what they are good.. Starter • # 1 • Oct 29, 2004 Laser Series was for. Last as long as the plugs on the 4.0, the smaller the is... In about a year ago dont fire as good unless you live in Calif. iridium.... 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