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Ignitability That's a Cut Above With DENSO's very own U-Groove ground electrode for better spark performance To increase ignitability, the important point is to let the flame kernel caused by the spark to grow to a large size. Normally, this can be accomplishing by widening the spark gap, however this causes spark voltage to increase, which has the opposite effect. IRIDIUM POWER uses DENSO very own U-Groove ground electrode to realize a superb ignitability while maintaining spark voltage at low levels. Improved Horse Power(1) Get more power with an optimal combustion cycle. IRIDIUM POWER has a low required voltage and a high ignitability, resulting in less misfiring and no spark, the outcome being a dramatic improvement in combustion. Engine output is thus increased. The findings of a bench test using a motorcycle engine to show the improved combustion from IRIDIUM POWER is shown on the below. Compared to normal plugs, a 0.5ps (1.4%) improvement is seen in output at 110km/h. Improved Acceleration Increased response and acceleration performance. IRIDIUM POWER best demonstrates its performance improvement during acceleration.IRIDIUM POWER has a 0.4 mm diameter iridium center electrode and a specially shaped ground electrode. These features combine to achieve higher ignitability and require lower spark voltage than ever before. This enables high-response driving with fewer misfires than under higher required voltage spark conditions, and fewer misfires when ignitability is difficult. As a result, acceleration improves in comparison with normal plugs. Improved Horse Power(2) The 0.4mm center electrode increases output under various driving conditions. The power produced by the 0.4mm dia. iridium center electrode is IRIDIUM POWER unmatched by other plugs. The graph below compares the resulting power when IRIDIUM POWER is installed compared to other high performance plugs. Using a 0.4mm dia. fine center electrode, there is more power compared to 0.8mm and 2.5mm dia. plugs. This is what makes the difference in acceleration and in your lap time. Improved Fuel Mileage Even during idling ignition is assured, with less fuel consumption and less noise. The good ignitability from the fine electrode (0.4mm) of IRIDIUM POWER draws out much more performance from the engine. Comparing a normal plug (W20FS-U) with an IRIDIUM POWER(IWF22) on a 2 cycle 50cc engine, fuel consumption improved from 41.74km/L -> 43.69km/L, an improvement of about 5%. Note: Mileage measured using a chassis dynamo; actual driving results under normal conditions may vary. The Secret behind DENSO's Iridium Patent! Plug electrodes conventionally have used nickel and platinum. These were not pure metals, but alloys containing other metals. Depending on the composition of the alloy, the matrix material's properties can be maximized. Using the same approach, iridium is alloyed with rhodium. The rhodium layer covers the iridium, improving the properties of the iridium. This iridium/rhodium technology was recognized by the Patent Offices of Japan and the UK, and in January 1999, a patent was granted in each respective country. (Patent Number - Japan: 2877035, UK: 2302367). Because DENSO had this patented technology, DENSO was able to make dia. of the iridium down to 0.4mm. The most important things for plug performance are ignitability and sparkability. To make the electrode as fine as possible is the goal of spark plug manufacturers worldwide, and DENSO has taken the lead, succeeding the commercializing the 0.4mm dia. center electrode plug. A Pattern from Spark to Ignition. Electrodes have a quenching (cooling) affect (where the heat of the ignited flame kernel is taken away by the electrode). This cooling affect is greater with larger electrodes, sometimes causing the ignition to stop short of the stage in Figure 4. To improve ignitability, the contact area between the electrode and the flame kernel must be reduced. Improved ignitability is why IRIDIUM POWER electrodes have been made fine as possible. Πληροφορίες Ανταλακτικού NDIK20 Διαστάσεις σπειρώματος 1 19 Διάμετρος [mm] 14 Μπουζί 1-ηλεκτρόδιο γείωσης Ροπή σύσφιγξης [Nm] 22 Άνοιγμα κλειδιού 16 Πληροφορίες OE TECDOC PART NUMBER OE ΚΑΤΑΣΚΕΥΑΣΤΗΣ ΟΧΗΜΑΤΟΣ IK20 SPRC7PYCB4 JEEP IK20 7565853 FIAT IK20 AE100E6277S LOTUS IK20 H98535-617L HONDA IK20 MS851378 MITSUBISHI IK20 3R2312405BA FORD IK20 3R2312405CA FORD IK20 5099729 FORD IK20 7335128 FORD IK20 98079-5685C HONDA IK20 7683358 FIAT IK20 H98515-617K HONDA IK20 7760383 FIAT IK20 NCA3850DA2 JAGUAR IK20 XR82810 JAGUAR IK20 1UN718110 MAZDA IK20 JE2618110 MAZDA IK20 JE4318110 MAZDA IK20 M04671057 MITSUBISHI IK20 H98515-617J HONDA IK20 90048-61169 DAIHATSU IK20 MS851571 CHRYSLER IK20 MS851622 CHRYSLER IK20 900415-1170 DAIHATSU IK20 90048-51154A DAIHATSU IK20 90048-51170 DAIHATSU IK20 5269556 CHRYSLER IK20 90048-51184 DAIHATSU IK20 1UNA18110 MAZDA IK20 90048-61170 DAIHATSU IK20 99906-910X9007 DAIHATSU IK20 NDIK20 DAIHATSU IK20 NDIK20A DAIHATSU IK20 46475164 FIAT IK20 71711638 FIAT IK20 90048-51183 DAIHATSU IK20 101905610B VW IK20 99000-79A37-K0P SUZUKI IK20 99000-79J80-K20 SUZUKI IK20 MZ602021 MITSUBISHI IK20 99000-79K60-KR6 SUZUKI IK20 1UD418110 MAZDA IK20 8653104 VOLVO IK20 SAB330NG0611 SUBARU IK20 101000049AD VW IK20 99000-79K60-K6R SUZUKI IK20 101000013AA VW IK20 22401-70J11 NISSAN IK20 MZ602066 MITSUBISHI IK20 MZ602073 MITSUBISHI IK20 6470058 VOLVO IK20 22401-70J10 NISSAN IK20 SAB330NG0608 SUBARU IK20 22401-RN0106 NISSAN IK20 BY480-BKR6E NISSAN IK20 BY481-BKR6E NISSAN IK20 7701414040 RENAULT IK20 SAB330DE8690 SUBARU IK20 UE0073007 RENAULT IK20 22401-AA500 SUBARU IK20 22401-AA510 SUBARU IK20 22401-KA330 SUBARU IK20 SAB330DE3370 SUBARU IK20 7700714540 RENAULT

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