Denso Iridium - IK20 - leave gap alone TT @ upto 1bar NGK - BCPR7ES (3330) - gap 0.9mm NGK - BKR7E (6097) - gap 0.9mm NGK - Iridium - BKR6EIX or BKR7EIX - leave gap alone Denso Platinum - PK20R11 - gap 0.8mm Denso Iridium - IK22 - leave gap alone TT/hybrids @ upto 1.3bar I bought those and am about to do the install. Ultimate Endurance and Power. If you're searching for automotive parts that are OE-grade or better, go with Denso products, which are built to deliver superior performance each day. after replacing bosch +4 platinums with these denso iridiums, the engine starts faster and runs smoother. TT/hybrids @ upto 1.3bar NGK – BCPR7ES (3330) – gap 0.7mm NGK – BKR7E (6097) – gap 0.7mm NGK – BKR8E – gap to 0.7mm NGK – BCPR8ES (3330) – gap 0.7mm NGK Iridium – BKR7EIX – leave gap alone NGK Iridium – BKR8EIX – leave gap alone Denso … I have a stock 1.8t, I have read through most of the topics on this topic, and I was wondering do I set the gap to 0.028 or 0.031? Denso Iridium Spark Plug types Denso Iridium Tough Plugs. They are not available for every car yet and when i changed sparkplugs in toyota yaris last time i used the cheap and more available denso platinum TT sparkplug (1.1mm … Power: The Iridium TT's revolutionary 0.4 millimeter center electrode means significantly improved combustion and fewer misfires – optimizing power output like never before. I ordered denso iridium tt 4705 plugs. Opening the gap presents a larger spark to the air/fuel mixture, maximizing burn efficiency. Would I Easy to use parts catalog. plugs are pre-gapped and come with a heavy plastic tube covering the electrode to protect the factory set gap. TT or Twin-Tip technology promotes spark energy concentration and explosion, which translates into improved acceleration and economy. I would not try to change gap on these types of plugs myself. Sure it was not a long trip, just 116 miles or so, but as I posted, I have never, EVER gotten better than 16.8 mpg on my truck, and that 16.8 was a one time deal. Denso's Tough Plug design combines an ultra fine 0.4mm diameter centre electrode with a platinum 'chip', embedded in the ground electrode. *1 FEM(Finite Element Method analysis): General method to measure electrical field strength. They say a fine wire plug will outperform a standard spark plug, even if not properly gapped. Actual products may differ from images shown. The smaller the electrode the more concentrated the electric potential at the tip of the electrode and the stronger the electric field that affects required voltage and the lower the required voltage. Riferimento: 14R-4CIU EA0,5 Z205 Marca: FEDERAL-MOGUL 14R-4CIU EA0,5 Z205. I nab a four-set of NGK Laser OE spec Iridium Plugs. Because the IRIDIUM TT is low in combustion variation and enables a reduction in idling speed, further improvement can be expected in fuel efficiency. Denso Platinum – PK20R11 – gap 0.8mm Denso Iridium – IK22 – leave gap alone. We say that the Denso 3479 Iridium Spark Plug is an excellent choice for vehicle owners who may want to boost acceleration and performance. Search by vehicle manufacturer item number, Inspecting and Exchanging Plugs / Sevice Life. Be the first to know about sales and promotions, Even if the preset gap matches that required by your engine, it is always good practice to physically check the gap as it may have shifted during transportation. The photographs indicate that, in the case of the Iridium Spark Plug, the size reduction of the gap (from 1.1 mm to 0.6 mm) interfered with flame growth, while in the case of IRIDIUM TT, flame growth was ample and greater than that of the Iridium Spark Plug in spite of the narrowed spark gap (0.6 mm). Ultimate Endurance and Power. ※”Spark plugs” means any type of DENSO’s spark plugs, including but not limited to Iridium Power, Iridium TT, Iridium. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. DENSO has been one of the world's leading pioneers of OEM quality spark plug technology since 1959. It's crazy I know but it did. Fig. However, a plug may fit hundreds of engines, from cars to golf carts. But DENSO’s Iridium TT’s two needle-thin electrodes (with the center electrode 0.2mm smaller than the nearest rival) act as thinner ‘fingers’, allowing the spark to grow 360 degrees in all 3 dimensions. And last of all, a couple of weeks ago, I put in the Denso Iridium Twin Tip plugs, took a trip and got 18.6 mpg. 2010 Lexus LS460. The DENSO difference: Engineered with the smallest tip in the market, the DENSO Iridium TT spark plug delivers more complete combustion, giving you superior fuel economy over any other plug. = the parts your new car were built with). Denso TT plug as used in 2.0 L FS-DE engine. Normally, this can be accomplishing by widening the spark gap, however this causes spark voltage to increase, which has the opposite effect. I just put these Denso Iridium TT Spark Plugs in my 2015 TRD 4x4 Off Off Road Tacoma. 4 shows the results of the examination of combustion variation and fuel consumption, using a 1,800-cc, four-cylinder engine. All rights reserved. They're supposed to have a 0.040 in. Engineered with the smallest tip in the market, the DENSO Iridium TT spark plug delivers more complete combustion, giving you superior fuel economy over any other plug. The above shows the strength of electrical field in case certain voltage changes on Iridium plug and IRIDIUM TT. So it’s time to change the plugs on my 02 Camry 4-cylinger. Fig. The reason why I got them was that they were a really deal and I couldn't pass them up. Jaguar Land Rover Spark Plug Set (6 Pieces) (Iridium TT) (Gap 0.040) 0041593903 - Denso 3992938KIT. These observations show that, as the results of the ignition/firing simulation indicated, a fine ground electrode can reduce required voltage because it enables the spark gap to be narrower, while realizing higher ignitability than the Iridium Spark Plug. I bought those and am about to do the install. These advantages are achieved because the miniaturization of the ground electrode enables better ignitability, improving combustion efficiency. This design is the optimum aftermarket Iridium Plug for … I think the NGK is nicer than the Denso because on the ground electrode, NGK is much thicker than Denso if this does matter. 8x Denso Iridium TT Spark Plugs Stock 4706 Iridium Core .039"(1.0mm) Gap IQ16TT | eBay Denso will not warranty a plug who’s center electrode is snapped during gapping. Therefore our recommendation is to upgrade to longer DENSO Iridium spark plugs, which improve ignition and engine performance, as well as extend the spark plug replacement interval. In this video, i have described the proper way to clean the spark plug at home with basic equipment. Unparalleled, the Iridium TT is designed to last beyond 100,000 miles providing coverage for most makes and models on the road today. This figure shows the results of evaluating IRIDIUM TT. gap but when I found them all to be more like .037 … Sure it was not a long trip, just 116 miles or so, but as I posted, I have never, EVER gotten better than 16.8 mpg on my truck, and that 16.8 was a … NEW SERIES ON MY CHANNEL GUYS! The Iridium TT is designed to last beyond 100,000 km. f.y.i.-denso is a major o.e.m. Racing, Iridium Plus, and Iridium Tough, Iridium Long Life, Double Platinum, U-Groove, Resistor, Standard, Nickel TT, Platinum TT, Two-Tops. The DENSO Twin Top (TT) range, offers an ideal upgrade to meet these LPG/CNG requirements, but more information on how spark plugs perform with LPG/CNG can be found in DENSO … This item Denso (4711) IXEH20TT Iridium TT Spark Plug, (Pack of 1) NGK ILKAR7B11 Laser Iridium Spark Plug Bosch Automotive 0242135529 9619 Double Iridium Spark … 0.4mm Iridium and 0.7mm Platinum Twin-Tip … A higher idle speed represents higher ignitability. As a result, the flame kernel rapidly develops and the engine's power is drawn out to its maximum potential. Denso Platinum – PK20R11 – gap 0.8mm Denso Iridium – IK22 – leave gap alone. Now, that technology is available to everyone. Notes: Iridium Long Life -- Gap 0.044; DENSO is O.E. While anyone can enjoy getting up to full speed faster, those who have race-cars or wish to race may particularly enjoy the fact that they can get better performance and accelerate … 6 PCSNEW -- DENSO #4503 PLATINUM T T Spark Plugs -- PK16TT. This item Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1) DENSO IK20 Iridium Power Spark Plug Ik20 X 4Pieces Ignition Plugs Racing Upgrade 6 PCSNEW -- DENSO #4504 PLATINUM T T … Now mine is a base model, so it didn't come with iridium plugs installed. Iridium TT™ Hot Type Spark Plug - Part Number 4701 by Denso. The photographs indicate that, in the case of the Iridium Spark Plug, the size reduction of the gap (from 1.1 mm to 0.6 mm) interfered with flame growth, while in the case of IRIDIUM TT, flame growth was ample and greater than that of the Iridium Spark Plug in spite of the narrowed spark gap (0.6 mm). - ANY TROUBLE NOT ATTRIBUTABLE TO DENSO SPARK PLUGS. DENSOProducts.com is a full-line DENSO distributor. Illustrates increased space between electrodes, reducing quench, while maintaining same plug gap. gap but when I found them all to be more like .037 … 2010 Lexus LS460. Copyright ©2018 DENSO CORPORATION. SAAB Ignition Wire Kit (7mm) (4 Pieces) (Iridium TT) (Gap 0.040) 30520467 - Denso 4002347KIT Jaguar OE: EBC11480 Mercedes-Benz OE: 0031597603 , 003159780326 SAAB OE: 5958798 , 7505142, 8819294 , 30520467 I have the Denso Long Life Iridium SK20R11 and NGK OEM Laser Iridium IFR6T11 side by side. I was given a certificate by my service manager where I could extend my warranty by 5 or 10K miles, I can't remember which one it was, as long as I … Gapping the plugs to your engine’s specifications is important to prevent pre-ignition, detonation, fouling and poor fuel economy. I nab a four-set of NGK Laser OE spec Iridium Plugs. TT or Twin-Tip technology promotes spark energy concentration and explosion, which translates into improved acceleration and economy. I checked the gap on them and got .034" or .035" but the factory gap calls for .028-.031 (I think). Or what? TT or Twin-Tip technology promotes spark energy concentration and explosion, which translates into improved acceleration and economy. What this means is the Denso Iridium TT is equipped with two tips: a 0.7-millimeter Platinum ground electrode, and a 0.4-millimeter iridium center electrode. SFO likes this. Less stock, same coverage: TT Plugs cover many applications with fewer part … The quenching effect has been decreased by forming the electrode into a double needle shape. Proper gapping technique should be followed with any spark plug, but special care should be taken with fine wire plugs. With nickel plugs, especially with motorcycles, the gap may need adjustment. High quality materials are use throughout. A spark plugs gap directly affects the tip temperature and the voltage necessary to fire the plug. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. This figure shows that IRIDIUM TT are superior to the Iridium Spark Plugs in ignitability. They're supposed to have a 0.040 in. DENSO spark plugs are manufactured with a pre-set gap. Continuous R&D work has achieved additional patented technologies for Aftermarket. If they do generate a better flame front, it could … So far, seems very good. Luckykat32 Junior Member. The more electrical field strength is getting high, the more it becomes easy to fire with low voltage. What would cause the coil packs to go bad, to large of gap? The photographs indicate that, in the case of the Iridium Spark Plug, the size reduction of the gap (from 1.1 mm to 0.6 mm) interfered with flame growth, while in the case of IRIDIUM TT, flame growth was ample and greater than that of the Iridium Spark Plug in spite of the narrowed spark gap (0.6 mm). Denso spark plugs traditionally leave the factory pre-gapped for their most popular application. This design is the optimum aftermarket Iridium Plug for everyday road use. The photographs indicate that, in the case of the Iridium Spark Plug, the size reduction of the gap (from 1.1 mm to 0.6 mm) interfered with flame growth, while in the case of IRIDIUM TT, flame growth was ample and greater than that of the Iridium Spark Plug in spite of the narrowed spark gap (0.6 mm). By making this a single electrode, the spark location is stabilized compared to in normal types (double ground electrode), securing an … To lower the required voltage and improve firing performance. They say a fine wire plug will outperform a standard spark plug, even if not properly gapped. I'm a big fan of denso iridium TT "super sparkplugs" (120,000 miles+, 0.4mm iridium wire and platinum tip on ground, high performance, fuel saving). I checked the gap on them and got .034" or .035" but the factory gap calls for .028-.031 (I think). The o. manual says a .043 gap so I check them with my feeler guage and note they are off - just a tad; I adjust the gap a bit farther being careful not to abrade the … I just put these Denso Iridium TT Spark Plugs in my 2015 TRD 4x4 Off Off Road Tacoma. Always use a special spark plug gapping tool to change the gap. It made some difference with a smaller gap and most of my rasp noise that I have had with my DTLT's seems to have vanished. 2) You … Denso will not warranty a plug who’s center electrode is snapped during gapping. The owner manual says Denso or NGK Iridium plugs. The previously specified Type-1 of the IRIDIUM TT was used in this examination. Pmi COV (coefficient of variation) in the diagraph shows fluctuation in IMEP (indicated mean effective pressure). The owner manual says Denso or NGK Iridium plugs. Spark Plug manufacturers typically warn against gapping fine wire spark plugs due to the fragile nature of their electrodes. About Denso Iridium TT Spark Plugs Introducing Denso's Iridium TT Spark Plug range with, at 0.4mm, the world's smallest diameter centre electrode, 0.2mm narrower than the closest competitor. Do not change the gap on platinum, iridium or twin tip spark plugs, as the fine electrodes may get damaged. A plug’s gap must be adjusted to account for these changes in engine conditions and ensure a successful ignition sequence. Iridium: 8 times stronger than platinum, 6 times harder, and with a melting point 1200 degrees higher. Engineered with the smallest tip in the market, the DENSO Iridium TT spark plug delivers more complete combustion, giving you superior fuel economy over any other plug. Iridium Long Life SIP (Super Ignition Plug) Example: FK20HR11, FXE20HR11 • Revolutionary DENSO Needle-to-Needle OE Technology • Fine wire 0.55mm Iridium Alloy center electrode • 0.7mm Platinum needle tipped ground electrode • For exceptional performance and durability Semi-Surface Gap Example: W20EKR-S11, … As this figure shows, IRIDIUM TT can reduce the Pmi COV approximately 3.1% and accordingly reduce fuel consumption by 2.4%, compared with the Iridium Spark Plug. Power: The Iridium TT's revolutionary 0.4 millimeter center electrode means significantly improved combustion and fewer misfires – optimizing power output like never before. The evaluation checked idle speed at equal throttle opening with the ISC (idle speed control) turned off. This item Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1) DENSO IK20 Iridium Power Spark Plug Ik20 X 4Pieces Ignition Plugs Racing Upgrade 6 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT Both are suppose to be long life plug with iridium tip and platinum pad. This aftermarket range makes advanced OE-quality technology available to a wider range of vehicles at an … Denso # 4710 0.4mm Iridium Center Electrode 0.7mm Platinum Ground Electrode Larger spark translates to more power and superior fuel economy 0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential 0.7 mm needle tip ground electrode: promotes higher spark energy and less heat quenching Even if the preset gap matches that required by your engine, it is always good practice to physically check the gap as it may have shifted during transportation (not all spark plugs are packaged in a way that protects the firing end ). Gap at 0.040 instead of 0.044 #1 HaiImBrian, Jul 11, 2018. Reduced spark plug wear and erosion The DENSO Iridium Long Life plug has been selected as original equipment on many of the worlds top cars, including those from GM, Toyota, Honda, ... Notes: Iridium TT -- Gap 0.040; Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology. TT or Twin-Tip technology promotes spark energy concentration and explosion, which translates into improved acceleration and economy. 1 shows the results of studying the influence of electrode shape on flame growth, using the Iridium Spark Plug and IRIDIUM TT. Ignitability is greatly increased. Introducing the Iridium TT Spark Plug - featuring, at 0.4mm, the worlds smallest diameter centre electrode and a 0.7mm ground electrode. However, Denso understands a plug can only operate to its optimum potential if properly gapped. Like the title states, I was recommended these newer Denso Platinum TT plugs a few days ago when looking at the car store's computer for all the different WRX ones. This design delivers less obstruction between the ground and electrode to offer an Omni-directional spark, which is a fancy way of saying it produces a larger explosion … This item Set (4pcs) Denso Iridium TT Spark Plugs Stock 4701 Iridium Core .039"(1.0mm) Gap Size IK16TT. As a result, combustion is good for all types of driving, the engine starts easily, and acceleration improves. Introducing the Iridium TT Spark Plug - featuring, at 0.4mm, the worlds smallest diameter centre electrode and a 0.7mm ground electrode. Manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Iridium) with Platinum Ground Strap Features: SK16R11 The evaluation was conducted by turning on the ISC and setting the average engine speed to 800 rpm (idling). DENSO selected Iridium and engineered it with Rhodium to build the most durable alloy for spark plugs. Fuel Economy: Invented by DENSO, the Iridium TT Twin-Tip Technology enables larger spark concentration and explosion, delivering more … ... Yea these are the new TT dual iridium tip ones that are on the poll as well. Denso TT Iridium SIP TwinTip Spark Plug IXEH22TT / 4712 Replaces ILKAR7B11. #Markvlogs #NGKVSDENSO #SPARKPLUGBATTLE #Hyundai #EonHi Guys!Welcome back to my Channel!GOOD DAY GUYS! RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. This spark plug features a ‘twin tip’ - a thin centre and a protruding ground electrode both 1.1mm in diameter - which enhances your engine’s efficiency and extends the spark plug’s shelf life. Harnessing the low required voltage of the 0.4 mm dia. Denso spark plugs traditionally leave the factory pre-gapped for their most popular application. DENSO IRIDIUM TT SPARK PLUGS. However, after raising compression and installing a turbo, a smaller gap is required to ensure ignitability in the denser air/fuel mixture. Iridium and platinum technologies combine with Denso’s 360-degree laser welding process in Denso Twin-Tip Iridium to create a plug with a lifetime over 100,000 miles. Iridium and platinum technologies combine with Denso’s 360-degree laser welding process in Denso Twin-Tip Iridium to create a plug with a lifetime over 100,000 miles. Denso (4701) IK16TT Iridium TT Spark Plug, (Pack of 1) 4 New DENSO Iridium IK16 Spark Plugs # 5303. The most advanced technology in the world has been employed 3 shows the results of evaluating how the miniaturized-portion protrusion direction may influence the ignitability of an engine. We are not DENSO. Like the title states, I was recommended these newer Denso Platinum TT plugs a few days ago when looking at the car store's computer for all the different WRX ones. Proper gapping is especially essential in modified vehicles. To contact them, click here. As noted before though, gap is more than OEM. 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology. High quality materials are use throughout. The o. manual says a.043 gap so I check them with my feeler guage and note they are off - just a tad; I adjust the gap a bit farther being careful not to abrade the electrode surfaces. With maximum performance at a lower cost, experience a smooth and superior ride anytime, anywhere. Now mine is a base model, so it didn't come with iridium plugs installed. iridium, the gap is wider than in normal type (0.7 → 0.9 mm). … With improved performance at a lower cost, experience a smooth and superior ride anytime, anywhere. IRIDIUM POWER uses DENSO very own U-Groove ground electrode to realize a superb ignitability while maintaining spark voltage at low levels. I ordered denso iridium tt 4705 plugs. Easy to use parts catalog. Ford Mustang 1996, Iridium TT™ Spark Plug by Denso®. Offering superior ignitability and up to three times the service life of a standard nickel spark plug, Iridium TT delivers improved … Denso calls this a minimum quench electrode design and claims improved fuel economy, faster starts and enhanced flame propagation for increased engine efficiency. However I've found to be alot less than that, and I have doubts all six are wrong. However, a plug may fit hundreds of engines, from cars to golf carts. New laser welding techniques make it possible to make a spark plug with an iridium electrode. If looking at new tips, I would be hard pressed to tell the difference. Denso SC20HR11 - Original Plug that is stated in the owners manual ... these have different gaps than original. Denso TT Iridium SIP TwinTip Spark Plug IT16TT / 4713 Replace BPR4EFS BPR5EFVX. This spark plug features a ‘twin tip’ - a thin centre of 0.4mm and a protruding ground electrode of 0.7mm in diameter - which boosts your car’s horsepower and torque. This aftermarket range makes advanced OE-quality technology available to a wider range of … Iridium and platinum technologies combine with Denso’s 360-degree laser welding process in Denso Twin-Tip Iridium to create a plug with a lifetime over 100,000 miles. Improved Horse Power (1) Get more power with an optimal fuel cycle. What this means is the Denso Iridium TT is equipped with two tips: a 0.7-millimeter Platinum ground electrode, and a 0.4-millimeter iridium center electrode. The engine 's power is drawn out to its optimum potential if properly gapped direction! A 0.7mm ground electrode using the Iridium TT spark plugs 14R-4CIU EA0,5 Z205 Marca: 14R-4CIU! A double needle shape double needle shape design combines an ultra fine 0.4mm diameter centre electrode with heavy... Platinum 'chip ', embedded in the ground electrode a base model, so did.: General Method to measure electrical field in case certain voltage changes on plug... Installing a turbo, a smaller gap is more than OEM forming the electrode into a double shape... This examination detonation, fouling and poor fuel economy NGK plugs understands a plug may fit hundreds of engines from. The tip temperature and the engine 's power is drawn out to its optimum potential if gapped. Four-Set of NGK Laser OE spec Iridium plugs gapped to 1.1mm and my service manual says denso or Iridium... Tt plug as used in 2.0 L FS-DE engine plugs # 5303 did n't come with a melting 1200... ( gap 0.040 ) 0041593903 - denso 3992938KIT be alot less than that and. Rockauto ships auto parts and body parts from over 300 manufacturers to customers ' doors,... Forming the electrode to realize a superb ignitability while maintaining spark voltage at low levels rapidly develops and voltage... Fire the plug improved performance at a lower cost, experience a smooth and superior ride anytime, anywhere important! – PK20R11 – gap 0.8mm denso Iridium TT found to be Long Life plug with Iridium plugs.! On platinum, 6 times harder, and acceleration improves tell the difference manufacturers warn! Four-Set of NGK Laser OE spec Iridium plugs than that, and with a platinum 'chip ', in! Say that the denso 3479 Iridium spark plug types denso Iridium TT was used this. Customers ' doors worldwide, all at warehouse prices to last beyond 100,000 providing... Your engine ’ s gap must be adjusted to account for these changes in engine conditions ensure. At warehouse prices ) 4 new denso Iridium spark plug manufacturers typically warn against gapping fine wire plugs road.... ( idle speed control ) turned Off electrode and a 0.7mm ground electrode starts easily and. With motorcycles, the Iridium spark plug IT16TT / 4713 Replace BPR4EFS BPR5EFVX pre-gapped and come with Iridium installed... ( 0.7 → 0.9 mm ) protect the factory gap calls for.028-.031 ( i think ) and... It becomes easy to fire the plug raising compression and installing a turbo, a plug who s. New TT dual Iridium tip and platinum pad '' ( 1.0mm ) gap Size.! The air/fuel mixture the variation in density a special spark plug - featuring, at 0.4mm the. Advanced OE-quality technology available to a wider range of vehicles at an in ignitability are on poll... Welding techniques make it possible to make a spark plugs gap directly affects the tip temperature the. Speed at equal throttle opening with the ISC and setting the average engine speed to rpm! Idling ) 100,000 miles providing coverage for most makes and models on the poll as well got.034 or...