A small dab of anti-seize is all that is needed. Especially with spark plugs pay close attention to the reduction of the dry torque should you choose to use anti-seize. I think it's better to simply replace the O-ring every time the plug is removed and don't over-torque the plug. Unfortunately, I promptly forgot about the sealant and installed the new plugs without it. Will last you a lifetime if you buy the jar like this. The manufacturers would have to come up with a ton of different torque values for every car (dry and lubricated.) sealant??? Understand that lubricating threads means you need to apply less torque to achieve the same tightness. For a more recent take check out this TB published in 2011 by Tempest Aero: Do you see the copper deposits on the electrodes? The first step is removing the spark plug you want to look at. #1 Best Seller. The rest of us that either have been using anti-seize for years, or have battled a stuck spark plug, are left wondering why they are saying not to use it, and if it is actually safe? You're more likely to distort or strip the threads in the head using it than you are to experience seized plugs next time you need to change them. That is why in 2018 I believe every technician should just be using either Nickel (preferred) or the aluminum based anti seized (second). But at this point, I am not ready to let go of such a useful thing that I have personally never seen cause any harm. This can lead to stripping out spark plug threads, misfires, and other expensive problems down the road. Screw the HeliCoil Onto the Spark Plug, Apply RTV Sealant, and Screw it Into the Spark Plug Hole. Old School Mechanic Tip #3: Bring Some Ice! Well, here you can see me battling them hard. Being a very small part of the engine, the gasket is meant to … I did a bunch of research and asked a lot of professional mechanics and here is what I found out. It will also hold up to higher heat applications than Aluminum anti seize. Repair: spark plug port thread repair, or replacement of the cylinder head and cylinder head gasket. I notice a small amount of oil around several plugs. That prevents the tubes from accidently turning out when the valve cover top nuts are loosened, and seals the threads from oil. Yes anti seize is what was meant, however you don't need it. Thread Sealing PTFE Plumber's Tape This 1/2 in. I hope you enjoy them! Most by eager for your money chemical companies. Many modern cars have aluminum cast heads, which is a “soft” metal, meaning it is easy to strip out the spark plugs thread by over-tightening. is used to reduce the friction created between the male and female threads during assembly. Break stuff. When applying it to Spark Plugs especially use it sparingly and follow Aircraft guidelines. The Nickel based compound outperforms the copper and aluminum-based anti seizes. If you’re only going to buy one type, buy this one (links to Amazon to check price). Press question mark to learn the rest of the keyboard shortcuts, '06 DL650; '88 C1500; '88 RX-7; '06 Forester X. Yeah. Read my article here on how to develop a feel for tightness (it involves breaking a lot of stuff / is fun). Threaded oil galley plugs? Most spark plugs seal to the cylinder head with a single-use hollow or folded metal washer which is crushed slightly between the flat surface of the head and that of the plug, just above the threads. Break stuff, cause destruction, just please don’t do it on any car people may actually want parts from (find a really beat up the non-popular car where the engine already looks blown or half has taken apart. How does this affect a torque wrench? Then there is the way it gets done 90% of the time and still works fine. By telling you not to use anti-seize they reduce their liability and do not have to provide two torque recommendations (wet and dry) on their packages. On anything where the factory service manual calls for Loctite or a similar thread locking compound. Yes. Tags: … Make sure the holes are clean and rust free. Has the topic of anti seize also has been debated in the aviation world? 20% off orders over $125* + Free Ground Shipping** Online Ship-To-Home Items Only. Anti-seize reduces the friction coefficient: 2. Drop the spark plug, with the HeliCoil attached, into the spark plug hole. We serve as Reddit's central hub for vehicle-related discussion including industry news, reviews, projects, videos, DIY guides, advice, stories, and more. the 1/2 inch pipe was a standard American size, that was obsolete from almost the beginning, but Ford used it in the model T because he wanted it to be American, and not European. However, if you want to be an anti-seize badass then just stick to my two favorites. 2. Agradetools.com is compensated for referring traffic and business to these companies. High-quality fasteners are used in racing applications. Permatex 59214 High Temperature Thread Sealant, 6 ml Tube, Pack of 1. Recommended for use on most threaded metals, RTRP, PVC and CPVC pipes. RIGHT?! First, the most common and time tested (Permatex Aluminum): What is the difference between a Nickel based Anti Seize and Aluminum? I have only seen the opposite be true, like this video I made with my Toyota Tundra with 360,000 miles on it. If you don’t want to read the whole post just remember these simple concepts, A. apply way less anti-seize than you think–to the middle of the threads only. There is copper based, aluminum based, nickel based and weird combinations of all three marketed simply as “silver.”. Can we use their findings and recommendations and apply those to Automotive use? If you want to buy the best Nickel based anti seize I found online–. B. Click photo to open it up larger. Also known as Class 125 fittings, they are built for use in low-pressure applications. two metal surfaces that will be mated and may become difficult to take apart later (i.e., hub assemblies, brake rotors, cv axles). I am sure new research will come out, and new methods of coating the spark plugs will be found. Seal tube and hose fittings to keep their straight threads protected from contaminants during fabrication and storage. Allows easy and safe removal. x 260 in. Therefore, if you want to just follow the manufacturer’s recommendations, as long as the plugs are “coated” to begin with they argue you should not use anti-seize. Very prone to rust/freezing up. PTFE Tape is compliant with federal specification T-27730A. The … I am using original 1933/34 spark plugs on old aluminum heads. Well, right there is your answer. If you can just buy one type of anti-seize (the nickel variety) and know that it will not react with anything on your car / provide lubrication / have a higher heat resistance than the other anti seizes– sounds great to me. Yet, I've read in many places that when installing a flat tappet cam, use assembly lube on the lobes/lifters only. Not true of Copper based anti seize, and Copper makes its way into a lot of the formulas of different anti seizes (even if they don’t say copper on the label). Most torque specs are given assuming a dry fastener unless they specifically say “wet/lubed torque.”. 10 years ago, I started out thinking I wanted to go into car repair professionally, but have since decided to keep it as a hobby. Cleaning up the threads on the plugs if you want to re-use them is straightforward, because you can see what you are doing. I have a pretty fun plan for you and it involves breaking stuff. By telling you not to use anti-seize they reduce their liability if something goes awry during installation (while you follow their torque specifications). Here is what NGK says about anti-seize on Spark Plugs: Or watch the NGK video about anti-seize here: I personally use anti-seize on all spark plugs regardless of whether the manufacturer’s recommendations suggest against it. You will still feel it seat and know when it is tight. Nov 29, 1999 5,225 2 … ), Best Spark Plugs for a 2004-2009 Toyota Prius (Guide), 2004-2009 Toyota Prius Front Brake Rattling Over Bumps? What does Spark Plug Manufacturers Say About Using Anti-Seize: Why do all spark plug companies say not to use anti-seize on their plugs? ), Old School Mechanic Trick #7: Silicone Grease For Sticky Windows. You will likely see one of the following conditions. ok thanks. It is up to you to come up with your own technique and style. I am planning to remove the spark plug tubes from the head and then reseal them I have some Permatex silicon RTV (high temp ultra copper) Gasket Maker which I used during the valve cover gasket installation. So I just changed the spark plugs in my '99 Forester and I was told to put thread sealant on before installing the new plugs. NEW DIN 908 Steel Threaded Plugs. Required fields are marked *. A 10MM plug will have a thread approximately the size of a 3/8" bolt, and the 14 MM will be noticeably bigger, closer to the size of a 9/16" wrench. Guess what? Don’t be alarmed though there are plenty of mechanics who hate the stuff. Applying anti-seize on the threads of a spark plug and then following their installation guidelines on the box, can lead an inexperienced technician over-torquing the spark plugs. The second you take the plug out to check how it is doing and reinstall it, the coating is used up, and you must now apply anti-seize to the spark plug. This site is dedicated to tool reviews, how to guides, and articles about car repair. It has the highest temperature rating and seems to be well-liked by professional mechanics. in the past with success, what other options are out there. PTFE tape is more accurate, or sealant or plumbers tape.) This increases the likelihood of pulling or stripping the threads in the cylinder head. The male threads on these brass fittings have a sealant applied for extra protection against leaks. Agradetools.com also participates in affiliate programs with Hostgator, Clickbank, CJ, ShareASale, and other sites. About anti seize also has been debated for thousands of hours on ground. Could be held liable online, and isn ’ t experienced installing spark plugs without.... Aren ’ t very costly save my name, email, and useful it for signs damage. With disassembly and is a relief to see for many mechanics typing speed why do all spark plug thread would... 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