If the dirt does not come off with ease, you can use quick-drying alcohol for this process. It might have some soot at the contact points, and this can interfere with the reading. Gap them to the stock setting, should be fine for your mods. However, if you wish to use a plug that has been in the car, you should clean it with a cloth. Every spark plug should be gapped before installation, no matter what it is made out of, the spark still has to jump the gap. NGK spark plugs should be clean when straight out of the box. Opening the gap presents a larger spark to the air/fuel mixture, maximizing burn efficiency. Although the NGK factory will set the gap to a preselected setting, this may not be the right gap for your particular engine.Ī plug’s gap must be adjusted to account for these changes in engine conditions and ensure a successful ignition sequence. platinum and iridium plugs will have the surface damaged if you were to adjust. A spark plug part number might fit hundreds of different engines from many different manufacturers. they come pre gapped with collars to prevent the electrodes from getting bent. Why is this important? Do you need to set the gap when installing new spark plugs?ĭO I NEED TO SET THE “GAP” WHEN INSTALLING A NEW SET OF PLUGS? Maybe. It is thus vital that you get hold of the NGK spark plug gap size chart and adhere to the same. For your engine to perform at optimum, the spark plugs in play should have the necessary spacing. ![]() you can/need to gap them but he is right, if you arent very very careful you will break the tip off….i only broke one out of my set so just be very very careful.ĭo NGK Iridium spark plugs need to be gapped?ĭo NGK Iridium plugs need to be gapped? The answer to this question is yes. they come gapped but not to what you want or need most likely. The electrode is so weak it will bend and you will ruin the plugs. Manufacturer: ACDelco Part Number: 41-829 Electrode Type: Platinum Gap: 0. These spark plugs come pre-gapped and take less than 20 minutes to install. Well, tried to adjust but that did not work well because after adjusting (with proper tool) ground and outer electrodes were. NGK tech support has received a number of tech calls from installers who have over-tightened spark plugs because of the use of anti-seize.Īre there spark plugs that come pre gapped? NGK’s Platinum spark plugs are hard to beat since they are the direct OEM replacement for the S2000. Find many great new & used options and get the best deals for Iridium And Platinum Spark Plug NGK 9029 at the best online prices at eBay Free shipping for. NGK spark plugs are installed at the factory dry, without the use of anti-seize. The coating also acts as a release agent during spark plug removal. ![]() Do you need to use anti seize on NGK spark plugs? NGK recommends a round wire-style or pin gauge gap tool to measure the gap. Care must be taken to avoid bending or breaking off the fine-wire electrodes. While most NGK spark plugs are pre-gapped, there are occasions when the gap requires adjustment. What should I use to measure gap on NGK spark plugs?
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