In general, the proper torque spec for spark plugs is between 3.9 to 4.5 PSI. When tightening the plug, reduce the torque spec on the spark plug by about 20% when applying plugs with anti seize. It’s important to point this out because if you frequently tighten a wet plug thread to dry torque values, you’ll eventually break the spark plug head. Wet torque simply means that the spark plug threads are lubricated. If you’re unsure, unless it specifically states “wet torque,” you can assume its dry torque values.
This means you need to decrease the dry torque value by about 20%. Anti Seize Reduces The Friction Coefficient Though before beginning, it’s crucial to point out two things: 1.
SHOULD YOU PUT ANTISEIZE ON NGK GPOWER HOW TO
How To Use Spark Plug Anti Seize SafelyĪlthough it’s generally recommended to avoid using anti seize on your spark plugs, there is a safe way to go about it if you’d like to go ahead anyway. On another note, an antiseize compound isn’t as crucial on plugs installed onto cast iron heads compared to an aluminum cylinder head. The metal plating effectively removes the need for spark plug grease. However, today, almost every major automotive spark plug manufacturer applies zinc or nickel plating to improve corrosion resistance and protect against galling. Often mechanics applied copper grease or an aluminum or copper anti seize to prevent galling and galvanic corrosion and improve corrosion resistance. The plugs would fuse to the cylinder head through galvanic corrosion, making spark plug removal a particularly unpleasant job. Since anti seize is a form of lube, the main benefit of applying it to your spark plugs is to make replacing them in an aluminum head far easier.Ĭhanging spark plugs several decades ago was more of a hassle than today. In almost all cases, adding lubricant is unnecessary and can be detrimental. It can also create heat transfer and electrical conductivity issues. Metal shell stretch changes the heat rating of the spark plug and may damage the engine through pre-ignition. If the spark plug thread breaks, it can mean removing the cylinder head for repair. The primary reason for this is that almost all modern spark plugs ship with trivalent plating or other types of antiseize compounds already applied.Īdding extra lubrication reduces the torque value, increasing the risk of spark plug thread breakage and metal shell stretch. NGK spark plugs, AC Delco, Champion, Bosch, Denso, and more all say to avoid it. Just about every spark plug manufacturer will recommend against putting any lubrication on spark plugs. Should You Put Anti-Seize On Spark Plugs ?
How Do You Know If You’ve Overtightened A Spark Plug?.Can You Use Dielectric Grease On Spark Plugs?.Why Do Torque Values Change When Anti-Seize Is Applied?.How To Use Spark Plug Anti-Seize Safely.Should You Put Anti-Seize On Spark Plugs?.In this article, we’ll answer those questions and more, including why some recommend applying anti-seize to spark plugs and some common spark plug anti-seize questions and answers. Some mechanics have always used it when installing spark plugs, while others swear against it. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.The spark plug anti seize debate isn’t new. For better performance consider upgrading to a NGK Iridium IX plug. Trivalent metal plating eliminates the need for anti-seize.The NGK G-power Platinum plug has a trapezoidal cut ground electrode that offers increased durability over the conventional nickel plug and improved fuel efficiency, lower emissions, faster starts and quicker acceleration.G-Power plugs have a fine wire platinum center electrode that provides excellent performance and fuel efficiency. NGK G-Power Platinum spark plugs are the best single platinum plug at an economical price.NGK 7092 BKR6EGP G-Power Platinum Spark Plug (6 Pack)
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