Next, get a can of starting fluid (ether) from your local auto parts store: costs a $1. On the topic of spark plugs, I personally like NGK vs. TRANSPORTING YOUR ICE AUGER 1. Next time, make sure they torque the plugs to the specs. During an inspection, technicians will. If the pan gets a small puncture or there are loose drain plugs or bolts, then a leak can occur. SM specs for spark plug torque is 18lb-ft. The mixture starts the engine. This if happens to your car engine might consequently cause misfiring. Test spark at points: If spark is weak or orange - go to 1 E. Ended up having to get Helicoil inserts. When torque-to-yield bolts are used to fasten cylinder heads to engine blocks, most engine manufacturers require the replacement of the cylinder head bolts. try the starter first, then move on. As bizarre as it sounds, while driving down the bypass a spark plug blew out the engine smashing the coil pack. Shocks wear out over time, making it difficult to determine when they need to be replaced. NGK spark plugs feature what is known as trivalent plating. What complicates this job, for the Do-It-Yourself'er who's not a professional mechanic, is that this torque wrench has to be able to torque in inch/pounds and finding one of these. The mechanic attempted to remove plugs which were over-tightened by a previous mechanic. They sit on top of the combustion chamber and ignite the air/fuel mixture and start the power stroke of the engine. Check spark plug; Replace if black and worn electrode is found. The mechanic attempted to remove plugs which were over-tightened by a previous mechanic. FL350 wont start using electric starter - please help « Reply #7 on: May 17, 2004, 05:07:56 PM » Had a brain fart did you check the spark with another spark plug leaving one in the engine while cranking so that the starter is under load. 3 stagesFirst 29nM =22lbs/ft. Under tightening will prevent the spark plug from being properly seated on the cylinder head, resulting in insufficient contact with the head to transfer heat. Broken bolt that holds down the power coil over cylinder 1 Post by narkizopoint » Fri Mar 02, 2012 2:00 pm After switching out the spark plugs broke the bolt while tightening down the power coil that sits over cylinder 1 (much swearing ensued). Spark plug blows out of TL 3. Over-tightening spark plugs or improperly cleaning the threads in the cylinder head before installation of the NEW spark plug is a very common issue that can cause thread damage. Its mission is to inflame with an electric spark mix of fuel and air. After the bike had warmed up for a minute or so, it ran fine without the lower plugs. Proper torque is very important when you are replacing your spark plugs. Just ordered new spark plugs for my GM car and was confused about whether or not to use anti-seize compound when I replace the plugs. Try turning the engine manually, but remove all the spark plugs and see how this feels. Think of it as the temperature at which the spark plug works best at, and how capable the plug is of resisting heat. is it about a plug that broke or a plug that has oil on it. New eninge turns over very slow. 3 Months or 3,000 Miles? Just looking at oil cannot tell you if it has broken down. These clamps can be used to hold together virtually any flanged joint. The basic design and task of the spark plug has changed little over the last 100 years. Many times, P0300 occurs when there are worn out spark plugs, spark plug wires, or a faulty ignition coil. Perhaps the only part of a motorcycle that is taken for granted more than tires are the spark plugs. 4L engine in 2003 and some other years is known to have aluminum head and there are only about 3 to 4 threads that keep the spark plugs in the cylinder head. Always wear gloves d. (Yes, I'm one of those people that actually uses a torque wrench to correctly tighten spark plugs). In order to be able to post messages on the Ford Muscle Forums : Ford Muscle Cars Tech Forum forums, you must first register. Includes video sections. However, CNP (Coil Near Plug) is a similar system in that there is a coil for each cylinder, but the coils and plugs are connected with short spark plug wires. 3 stagesFirst 29nM =22lbs/ft. the motor seemed weak. If you're experiencing sluggish acceleration, low power, bad fuel economy and trouble getting the car to turn over and run smoothly, it could be a spark plug to blame. The result is that the spark plug itself cannot properly channel the electric charge from the plug to the engine block, and the spark plug breaks down. We recommend this Stanley Proto Blade Master set which can be found pretty cheaply on Amazon. Used to run runners and ALWAYS put in new PLUGS, BETTER WIRES, CAP, ROTOR, COUPLE CANS OF CARB SPRAY and an OIL CHANGE with filter They always perked up. I haven't seen very many cases where any fastener didn't have to be tightened more than a turn or so past finger-snug. Over-tightened thru-bolts could lead to cracked coil mounting ear and/or premature thru-bolt failure. I don't know how it is accuracy- wize but it sure is easier to use than a dial torque wrench. I've always been. on them is 106 lb. IIRC torque is 17 ftlb because there is only 3/8" of meat in a aluminum head. We do not have the Aygo here in North America, At first I thought it is a European version of the Yaris, but it is not. The mechanic replaced the spark plugs and spark plug wires and now it runs like new. The spark plug has a gas tight seal, by design, where it contact the head on the outside. I set the torque wrench to 7nm. The way a mower engine works, the spark plug sparks, creating an ignition source, which is the driving force to get your engine to run, no spark=no power. The severity of the symptoms vary according to which of the ignition coils are failing. c 021315 71910inst spark plug indexing washers p/n 71910 14mm flat-seat plugs only! includes (10) of each: thick rotation color. Two big signs of your engine running rich have to do with the condition of your spark plugs or catalytic converter. A spark plug is cooled through the base that threads into the head and the head is dissipated through the plug gasket if it has one, and through the threads. It also introduces some of the torque wrench types. Or the gaskets or drain plugs might have been over tightened or left loose. Ford Explorer Radiator Replacement - Page 5 Now to add the fittings to the radiator and get it ready for installation. One of the things that I love so much about the 2. Bought a screw extractor in Canadian tire and successfully removed the thread that was stuck in the cylinder. Spark plugs should never be tightened that tight. 99 (includes free shipping) Regularly $10. I've see them cross threaded and over tightened which strips the threads. Why is it that spark plugs are always slightly loose when you undo them? The car is a 944, I've owned it for more than 10 years and serviced it myself in that time. Listed below are 6 common symptoms of worn-out spark plugs or spark plugs that have fouled and need to be replaced by an ASE certified mechanic as soon as possible. Spark plugs are the "window" into your engine (your only eyewitness to the combustion chamber), and can be used as a valuable diagnostic tool. How to Change Spark Plugs | Torque Spec Chart How to Change Spark Plugs - Spark Plugs Methods of Sealing, Spark Plugs Installation and Spark Plug Gap Chart sections of this page are here to help you better understand the most critical steps and procedures in changing spark plugs. If the plug is truly over-tightened, there's really nothing you can do but replace it. not gapped correctlyover tightened and then crackedI have seen alot of damaged spark plugs Click to expand I don't disagree, but that results in obvious missing and terrible performance and nearly undrivable conditions on a 4 cylinder, that's not what I'm talking about. After loosening the spark plugs a half a turn you should be able to unscrew them with your fingers. Perhaps the only part of a motorcycle that is taken for granted more than tires are the spark plugs. Broken bolt that holds down the power coil over cylinder 1 Post by narkizopoint » Fri Mar 02, 2012 2:00 pm After switching out the spark plugs broke the bolt while tightening down the power coil that sits over cylinder 1 (much swearing ensued). The culprit seems to be the seal at the top of the spark plug tube. How spark plugs work. Dry-fouled spark plugs can sometimes be cleaned by bringing engine up to operating temperature; Before changing fouled spark plugs, be sure to eliminate root cause of fouling. If one or more fail to spark, a coil could be faulty. I did some research online and came up with this process which seemed to work using stuff I had in our cottage. 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. > Do not support the ignition system by the wiring harness or plug wire. Luckily I was able to unscrew the broken piece and replace it with the same size screw. the dealer apparantly did not do this. Before trying a bunch of different parts, you may want to confirm that you have proper compression in each cylinder. If the plug is truly over-tightened, there’s really nothing you can do but replace it. last time i changed my oil i guess i over tightened my drain plug. 5L vw rabbit spark plug gaps So after much searching a gave up and called a friend at a dealer for the answer to this question and now im posting it in the hopes that this will be easier for others to find. When this happens you can either buy a new spark plug or clean the one that's fouled. Take the plug out, ground it, and look for steady sparking as you kick it. Replacing bad spark plugs is probably a project you can tackle on a weekend. These clamps can be used to hold together virtually any flanged joint. On the flip side, under-tightening can cause the spark plug to blow out, taking the cylinder head threads with it. Seems the previous owner didn't know what AntiSeize was. All spark plugs have a recommended torque. as they are beneath the level of the cams. After seeing that I had not over-tightened the airhorn (causing warping), he explained that because Quadrajets are made of diecast metal, long-in-use examples that have been constantly fiddled. Changing your spark plugs and plug wires is an often overlooked regular maintenance task that shouldn't be forgotten. The ignition coil takes power from the generator and relays it to the spark plugs. Note the remarks about the air elbow pipes which collapse and rot over time. It became fragile from all the heat of the engine and split. 6L Jeep engine apparently have this anti-seize plating. NGK spark plugs are installed at the factory dry, without the use of anti-seize. 4L engine in 2003 and some other years is known to have aluminum head and there are only about 3 to 4 threads that keep the spark plugs in the cylinder head. approximately fifty hours of operating time. If spark is weak or intermittent - go to 6A. Also there is gooey stuff on the inside of my oil cap. Some fasteners are spec'd as torquing dry and some lubricated. 6 16v petrol. They were all loose. The Best Spark Plugs in the World and Why, DIY and car repair with Scotty Kilmer. NGK spark plugs feature what is known as trivalent plating. If this procedure is followed, spark plugs will not back out nor will they seize in the cylinder head. Thread taperset into tapped spark plug hole using a torque wrench. The Dos and Dont’s of Wheel Bearing Torquing Don’t Use an Impact Wrench for Installation or Removal While it may appear to be easier to use an impact wrench, it is not recommended. There is no really compelling reason to think that using something other than the recommend spark plug is advisable. TRANSPORTING YOUR ICE AUGER 1. When running rich, the bottom of your spark plugs can get fouled up with a dry, black soot. Remove the dirt at the gasket seal of the cylinder head. Spark plugs are relatively inexpensive and come in two common sizes: 5/8 and 13/16. Don't leave horsepower on the table with poorly gapped spark plugs. The only cylinder head gasket to use is the standard steel ringed halite gasket. Kit contains ten (10) washers of each thickness (0. We recommend this Stanley Proto Blade Master set which can be found pretty cheaply on Amazon. It means that the threads are ground down and there's really nothing to hold the spark plug in there. A helacoil fix should get you back on the road again. Here you will get to know about the best method for the spark plug anti-fouler installation in your vehicle. Listed below are 6 common symptoms of worn-out spark plugs or spark plugs that have fouled and need to be replaced by an ASE certified mechanic as soon as possible. This makes it easy to remove and insert plugs. Each spark is tracing a water filled crack and grounding the spark to the engine block rather than travelling along the spark plug wire. Now that I did that adjustment they seem to be out of sync again cause my idle is a bit whacky below 1300rpm where before I could idle for days just fine. To read a spark plug, start by checking the color, since an undamaged spark plug will be light grey, or possibly tan. Did it today the same way I always have. THE UNIT HAS POWER Most MKlll ignition units will produce a spark on switching on and off, if this is so and sparks are produced on all cylinders then the ignition coils must be in good order. Either one of these scenarios, you DO NOT want to have happen!!!. How to Change a Lawn Mower Spark Plug. These clamps can be used to hold together virtually any flanged joint. I will let you know how it goes. The previous set of plugs were typical used plugs, not worried about how they look. The coating also acts as a release agent during spark plug removal. After going through the thread here on Stangnet on spark plug blow outs, I bought a torque wrench and carefully replaced 7 of the 8 plugs. Once worn, the aluminum would fail to hold the spark plugs in place. on a recall. Many times, P0300 occurs when there are worn out spark plugs, spark plug wires, or a faulty ignition coil. Loose wire connector. Below are the top 3 pros of iridium spark plugs. I plan on changing the wires and plugs on my 04 GTO next week. There are many times when disassembling old parts that you end up stripping a bolt or nut and ruining your whole day. I will let you know how it goes. Spark plug "departed the engine" during moderate acceleration, hitting cooling fan and radiator before dropping onto interstate highway. Consequences of wrong spark plug gap? Just got through replacing spark plugs for the first time since top end rebuilt two years ago. Likely related to a bad ignition coil. Anti-seize compound can act as a lubricant altering torque values up to 20 percent, increasing the risk of spark plug thread. 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. Be that as it may, I measured 7lb-ft after hand tight plus 1/4 turn. 036", which is how they come out of the box) instead of regapping to the correct 0. However, it was well over 60k miles on the original plugs, so we replaced the spark plugs at the same time. Spark plugs are one of the most misunderstood components of an engine. Spark plugs are typically designed to have a spark gap which can be adjusted by the technician installing the spark plug, by the simple method of bending the ground electrode slightly to bring it closer to or further from the center electrode. The way a mower engine works, the spark plug sparks, creating an ignition source, which is the driving force to get your engine to run, no spark=no power. I've taken the spark plugs out before, changed them, had the plastic part of the throttle body off before, cleaned it, and so on with no problems. DLE 20 refuses to run - Fixed! I have this DLE 20 installed in my newly fixed U Can Deux, and the dang thing refuses to run. They are to be used with 14mm Flat-Seat Spark Plugs Only. " RAY: Then, as the engine ran and vibrated, the plug slowly unscrewed itself. One of the things that I love so much about the 2. So the gasket is the first to go under these conditions. NGK spark plugs are installed at the factory dry, without the use of anti-seize. Since the anti-seize is not needed, why run the risk of an over tightened plug. An over-torqued spark plug may cause thread damage or breakage, or compromise internal seals within the spark plug, leading to improper heat dissipation or exhaust gas blow-by. This plug device generates the necessary heat that is needed for a diesel engine to run and function properly, especially in climates where the weather is cold. Note the remarks about the air elbow pipes which collapse and rot over time. Its your choice now to put anti seize or not. Incorrectly gapped spark plugs can negatively impact engine performance. I am about to replace my spark plugs on my 951, but I in the workshop manual and Clark's Garage is saying to put oil on the threads. My #4 spark plug will not tighten at all, it seems that the previous owner somehow ruined the threading in that hole. Two big signs of your engine running rich have to do with the condition of your spark plugs or catalytic converter. These worn shock symptoms won’t appear overnight. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. Excess vibration and subsequent damage to the ground electrode and terminal nut may also occur. Copper plugs, for example, have the shortest life, while plugs made of more advanced and durable materials can provide up to four times the life of a copper spark plug. 8 Spark Plug Change Step by Step? Reply to Thread. The plugs are the business end of the ignition system that deliver the all-important spark needed to ignite the air/fuel mixture. I have a 2002 King Ranch Edition, 5. Maintenance and Repair 19 WARNING ALWAYS shut off the engine, remove key from ignition, make sure the engine is cool, and disconnect the spark plug and positive battery terminal from the battery before cleaning, adjusting, or servicing the. What I mean is when I tightened the plug firmly(the suggested 1/4 to 1/2 above finger tight),the engine wouldn't turn over, so I assumed that was a result of the plug being too tight. have a look at your spark plugs,take note of the condition of the plugs-do they have liquid on them,is it oil or gas. Labor costs are estimated between $89 and $114 while parts are priced between $57 and $63. Spark plugs pretty much screw in and out. This effects both 3. Over tightening can cause damage to the threads in the cylinder head and the threads of the spark plug, stress the spark plugs internal seal, or fracture the spark plugs insulator. Changing spark plugs in '97 5. NGK spark plugs are installed at the factory dry, without the use of anti-seize. To then go a quarter-turn beyond can't be over-torquing, as it's a finite amount of turn you are applying to the plug, which merely squishes the sealing washer. When the spark plugs are engaged, there is the potential of igniting the oil, which causes an engine fire. reset the gap on points and coil perfectly. In this article we will know how to clean a spark plug. When I removed the resonator box on top of my engine there was water in it and I noticed some rusty water on top of my spark plugs. There also are 18mm plugs, seen only rarely in motorcycle applications despite the advantage they bring to two-stroke engines. Its main purpose is to ignite. The symptoms of narrow gap include a noticeable (continuous) cylinder miss, hard starting if all the plugs have narrow gaps, rough idle and engine hesitation. They were all loose. NOTE: Loose spark plug may overheat and damage engine. Any ideas on what to check?. Then the oil went down the tube and made a maasive fire where the coil comes in contact with the spark plug. Using TTA will ensure proper seating without over-tightening whether you use anti-seize or not, what anti-seize you use, and whether they are iron or aluminum heads. Just wondering if this is par for the course or if I have bigger problems. With spark plugs the concern is not normally getting them tight enough, but instead to prevent over-tightening. Fit long life plugs as the inlet manifold has to come off to do the job and you don`t want to have to do that very often. How to repair stripped threads. Flip it over and you have reverse. Lastly, those same symptoms are associated with a dirty EGR Valve, Aged-out spark plugs and a cracked intake manifold gasket. 1 mm])" I'm subscribed to about 5 different plug change threads right now because I'll need to tackle this in the near future as well. Try to remember or draw the location of the sparks. The only reason NGK says not to put anti seize on the threads because they say the user will over torque them and the threads are already coated. I have a 2002 King Ranch Edition, 5. 99 (includes free shipping) Regularly $10. I have spark, and after repeated cranking the plug is moist with fuel, so I think I have spark, fuel, and compression, but it won't even sputter, nothing at all. Up until now, people that chose to use the OEM Honda Civic EP3 Idler pulley have encountered problems with over-tightened or loose accessory belts. 2- You have to know and fully trust in the skills of your mechanic who changes out your spark plugs. How to test and repair small engine ignition system problems? Is there no spark in the engine of your lawn mower, snow blower or outdoor power equipment? Follow this guide to test your ignition system - including coil, switch & module - to identify any problems and troubleshoot repairs. NGK recommended tightening torques. No Spark When your engine cranks but fails to start, it could be because of no spark. Blower turned freely on the bench, but is tight or won’t turn by hand on the engine. Get Yours! on sale for $8. If the heat range is too cold, the spark plug will be unable to properly self-clean by burning off carbon deposits. Then the U-joint. Over tightened spark plug may damage threads in the. on them is 106 lb. The spark plug gap is an area of open space between the two electrodes of the spark plug. NGK spark plugs are installed at the factory dry, without the use of anti-seize. improper gaped spark plugs can cause simualar problems. It probably unscrews from the coil and the spark plug cap may unscrew from the wire. Prolonged use of an engine with a spark plug in that condition will. If you see any, opt for a new distributor cap. (compare the fotos, those plugs were nailed into the bottom like hell and the washers are completely solid now. Although, it is a good practice to check your spark plug for the most common problems. Please help the MFI community keep the Ultimate MFI resources thread and the Mechanical fuel injection resource index up to date. NGK (and most others) use a special (Trivalent) plating that does not require anti-seize. ) The spark plug washers are hollow from factory for to compensate the heat expansion of a warm engine. If the timing isn't advanced at all or advanced enough, some of the E-85 will exit the exhaust unburned and the engine won't produce full power. NGK spark plugs are installed at the factory dry, without the use of anti-seize. If this procedure is followed, spark plugs will not back out nor will they seize in the cylinder head. (1) The engine has great compression -- over 145 psi. Over tightening can also compromise a plug’s internal gas seal or even cause a hairline fracture in the insulator. [Tip from Autolite] We do not recommend the use of any anti seize products for installing spark plugs. I have still a problem with the ignition of my 1947 Lincoln V12. The coating also acts as a release agent during spark plug removal. MSD Ignition 35599 - MSD 8. The previous set of plugs were typical used plugs, not worried about how they look. Its over tightened for sure but i am pretty sure nothing is stripped. Gap new as well as. When running rich, the bottom of your spark plugs can get fouled up with a dry, black soot. It has decent compression, good spark (at least outside the cylinder on the two plugs I tried), and it is getting fuel. Spark plugs with gasket-style seats require more torque than those with taper seats. The only cylinder head gasket to use is the standard steel ringed halite gasket. For reference When it is difficult to use a torque wrench, or when you don't have a torque wrench, tighten the spark plug to the tightening angle shown in the illustration in accordance with the thread diameter of the spark plug. Loose bolts that will contribute to vacuum and coolant leaks from the intake gaskets or. You had the spark plugs replaced, and the mechanic forgot to tighten one of them down completely. It already comes with pretty good weather stripping, that wouldn’t be where it leaks in the center. If wires show any obvious damage such as burned or cracked insulation, chaffing, loose plug boots or terminals, the wires should be replaced. to one millimeter below spark plug gasket seat. A good tip is to use a tire compressor to blow air over the spark plugs. Using angular torque gauge. The operating stresses on modern spark plugs are increased because modern engines are generally designed to operate at maximum running compression. com! You are currently viewing as a guest! To get full-access, you need to register for a FREE account. Most heads are made of aluminum and the threads can strip easily. Over tightening can cause distortion resulting in a change in spark plug gap or a cracked porcelain insulator. under warranty. Craft-Meyer Torque Wrench 1/4", 4-24nm. pipes where necessary; do not disconnect. When I saw the new Chrysler Hemi's with dual peanut plugs I thought, Oh boy those are going to be a money maker!. Hence, spark plugs are critically important for fuel economy, good combustion and engine performance. NGK spark plugs are installed at the factory dry, without the use of anti-seize. They should do more than 50 hrs. This torque wrench from Craft-Meyer will save you the annoyance of over-tightened nuts and bolts. 40k mile service on a 991 question. Do not attempt to cut with loose or over tightened blades h. • Spark plugs with tapered seat: These should be tightened ‘finger tight’ and then should be followed by a one sixteenth (1/16) turn using a wrench. sometimes spark plugs dont make it to their required change period. 2- A spark plug that is wet with gasoline or has sooty deposits indicates either a faulty ignition or a problem with fuel delivery. This can create a poor electrical connection or even become disconnected, allowing the system to fall. Do not over-tighten the spark plugs. In other situations, completely loose wires can come in contact with electrical boxes or other wires, possibly resulting in a tripped breaker—or worse. :D I just tightened them until they seat, then one more turn to tighten. Aluminum heads are very easy to strip. The plugs are the business end of the ignition system that deliver the all-important spark needed to ignite the air/fuel mixture. Spark Plugs for the Home Mechanic Download PDF. What happens when this component gives up the ghost, and how hard is it to fix by yourself? A timing belt is the. This if happens to your car engine might consequently cause misfiring. This ignites the fuel and makes your vehicle run. Installation Instructions: 1. That said, a vacuum leak causing inconsistency in the fuel/air mix could cause car engine cylinder to misfire. If wires show any obvious damage such as burned or cracked insulation, chaffing, loose plug boots or terminals, the wires should be replaced. Symptoms of Faulty Ignition Coils. No noticeable hints before this happened. Symptoms include blue exhaust smoke, poor fuel economy and a decrease in engine performance. 99 (includes free shipping) Regularly $10. Quote: cwt341 on Mar/02/08ya because none of them finger turned that were all sort of forced in a little to get them started if you EVER have to put. Over tightened spark plug may damage threads in the. How to Change Spark Plugs | Torque Spec Chart How to Change Spark Plugs - Spark Plugs Methods of Sealing, Spark Plugs Installation and Spark Plug Gap Chart sections of this page are here to help you better understand the most critical steps and procedures in changing spark plugs. Incorrectly gapped spark plugs can negatively impact engine performance. 4) If you cannot pull over, or if you want to check later after the weather gets a bit nicer you can easily simulate rain. In addition, the secondary tip on the ground electrode results in less obstruction of spark growth, while still maintaining the same gap. However, it was well over 60k miles on the original plugs, so we replaced the spark plugs at the same time. Another reason is since there is a electrical current going through them and as they get old this will cause corrosion so it makes it more difficult to unplug them. NOTE: A sand blaster should not be used to clean spark. In particular, they end leaks at the corners, where multi-piece gaskets often fall down on the job. ) My 2001 Camry LE - to the best of my knowledge - has never had a timing belt chain (although, I honestly don't know, as when. sometimes spark plugs dont make it to their required change period. Correct heat range for engine and operating conditions. The tightening angle for both new and reused spark plugs is 1/16th of a turn. Spark plugs are one of the most misunderstood components of an engine. the basic design and materials so that we can make a proper selection 2. Over-tightened bolts that will crush the intake gaskets and eventually destroy their sealing ability or stripped bolt threads in the bolt hole (in the cylinder head). Anti-seize compound can act as a lubricant altering torque values up to 20 percent, increasing the risk of spark plug thread breakage. If spark is weak or intermittent - go to 6A. P0300 Symptoms. I have never torqued a spark plug, and never had an issue. There is no really compelling reason to think that using something other than the recommend spark plug is advisable. First inspection shows that engine threads removed with depa. If there is a tear or a hole in the gasket, air will leak past it and will not force air in the carburetor which will not force gas through the center jet. Helicoil 5334-14 Save-A-Thread Thread Repair Kit M14 x 1. I've never had a spark plug seize in the threads in my 30+ years of removing and replacing spark plugs. NGK spark plugs are installed at the factory dry, without the use of anti-seize. All bolts removed and tightened correctly. with my expeirence and my friends the motor performs better and definatly sounds better if they are not TOO tight. Rules, New Member Introductions, and Forum Information. Sometimes the hole in the freeze plug is very small, and can periodically stop when a piece of crud from the cooling system jams in the hole. To read a spark plug and assess engine troubles, you first have to remove it. "Spark plugs must be tightened to the torque specified for proper heat transfer. See here for a step-by-step guide on how to diagnose and fix check engine light code P0300. That's why it happens; but since end users *typically* err on the low side, and the torque specification for a drain plug is given on the high side (torque specs typically are, for a number of reasons), problems with hand-tightened drain plugs are rare. NGK say their Iridium spark plugs currently represent the “highest-quality technological solution to providing spark,” or bigger bang as I know it (of said suck, squeeze, bang & blow fame). Includes video sections. Just wondering if this is par for the course or if I have bigger problems. Fit long life plugs as the inlet manifold has to come off to do the job and you don`t want to have to do that very often.