Learn how to read a spark plug so you can know how your vehicle is performing, foresee The electrodes cause the spark to cross a gap left at the end of the spark plug, causing ignition of the fuel in the cylinder. Spark Plug Reading Discussion going on in our message board. You’ll have to look every single spot closely to find the reading. Spark plug technology has come a long way. How to Read a Spark Plug. Spark Plug Handing Precautions Always refer to the vehicle manufacturer's repair manual for specific installation procedures. If your timing is too far retarded, then it may be necessary as you adjust the timing to add a little more fuel to keep the crescent on the end of the plugs white for 90% of the area. With nitrous an NGK can get you in trouble before you knowit.l By the time the Starp shows as hott the piston is ruined. My tuner suggests for the RS7 plugs and my setup to be at .024. The temperature is ideal, and the engine is excellent too. NGK. How you can read spark plugs and select them by Gordon Jennings The following is from Cycle Magazine, October 1977. Read your spark plug color-spark plug reading chart March 29, 2017 auto Auto Knowledge 0 If you are a auto repair technician,reading spark plug is essential skills for you.Not?You are a owner?Oh,the skill is essential too!You should get the auto statement at any time.Read spark plug,you will not only know when to replace it,but also know your health of your car. Autolite and some are harder to read, I.E. Reading a spark plug consists of examining and evaluating the condition and color of the tip of the plug. Remember, your spark plug is an amazing tuning tool that can provide lots of good information if you can, “read your spark plug”. Optimum functionality A gray or light tan hue shows that the spark plug is operating at its maximum capability. I'm going to keep working on this page and try and get some real good shots of various plugs, we'll study each one and find the good and bad tell tales of each. With help from the spark plug experts at NGK, we’ll teach you how to diagnose minor tuning issues or potentially major engine problems by examining your spark plugs.Check out the images below, courtesy of NGK Spark Plugs, and get ready to do a little light reading the next time you pull your spark plugs. Most of the spark plug manufactures that make plugs used for racing plate the spark plug shell with cadmium or zinc which oxidizes at a temperatures that corresponds to the correct As one is tuning the motor and leaning the fuel system out the first … Fit the lower half of the Some 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. Nearly all of it is just as pertinent today as it was twenty years ago. A special tube with an angled mirror is supplied in the kit to make viewing easier. If the gap on a spark plug to far away will cause longer time to achieve spark or Spark plugs can provide valuable information about your vehicle’s performance and can predict potential problems. You’ll have to look every single spot closely to find the reading. With the reputation of being one of the first manufacturers of the spark plug, Bosch has revolutionary designs like a four-point side electrode design that is designed for optimum electricity functionality. Much like a knife maker who looks for the proper “temper line” to read metal temperature, we can use the same method to read spark plugs. The natural option for tuning up a Ford vehicle is installing Ford spark plug, and seeing as this is the spark plug that Ford recommends, Motorcraft is a great choice. Spark Plug – How Do I Read My Spark Plug Condition – What They Tell You January 30, 2020 Ignition System If you are able to read a spark plug it can be a valuable tuning aid. Additional Spark Plug Related Resources Spark Plug Reading 101 (Gas) Detailed Plug Pictures page. Today, most spark plugs have a For Saturday night racers this is an important aspect of performance. Problems Dark color Fitting spark plugs that are too hot can cause premature ignition, or engine knock, which can cause serious damage to your engine. Some plugs are easier to read, I.E. Articles How to Read Spark Plugs How to Read Spark Plugs An engine’s tune-up is often overlooked after it comes off the dyno. Once all the plugs read the same, you can advance the ignition a little at a time to put the blue line just above the weld on the strap or at whatever point gives you the best performance. Reading the spark plugs for tuning is one complex task. Examine Your Spark Plugs Hopefully, you’ve chosen the right spark plugs to go with your system. If the spark plug hole is awkwardly placed, or you are tuning in bright sunlight, it may be difficult to see the window in the plug. THIS IS ONE REASON RACING SPARK PLUGS HAVE A SHORTER STRAP THAT REACHES HALFWAY TO THE CENTER ELECTRODE SAME LIKE THE PICTURE ABOVE, YOU CAN STILL SHORTEN THIS, AND GAP ON SECOND OPTION IS TO ADD WASHERS TO THE SPARK PLUG SEAT, THIS WILL RETRACT THE SPARK PLUG INTO THE CHAMBER AND MAKE THE TIP COOLER AS IT IS "LESS" EXPOSED TO THE … They often come with specific instructions on how to remove the spark plug as well as the tools that are necessary for their removal. Top Porcelain for Detonation – Apart from pre-ignition, the porcelain reveals an approximate condition on detonation (timing/octane). This video describes in detail the best process to examine a spark plug and assess its condition. Use the hottest plug that won't over heat itself under the worst conditions. It's been a few weeks now and quite a lot of miles since I swopped the carbs over and reset the mixture etc. For more information about using the spark plugs to diagnose the health of your motor, or to aid in tuning your motor, be sure to check this article HERE . Spark Plug Reading 101 for Gasoline Motors By Mike Canter Other than installing thermo-coupler sensors in the combustion chambers the only real way that you know what is happening inside your engine is to read the spark plugs. Wit h Autolite you can Ed Examining the ceramic insulator is the first step in plug reading. So a good time to see what the spark plugs look like as a good indication whether the carb settings are correct. A good plug for nitrous applications typically includes a colder heat range (often one or two steps below your existing plugs), smaller plug gap, and shorter reach. It is reported to eventually build-up gasoline deposits if the mixtures are rich, although the excessive alcohol content tends to clean the spark plug porcelain, making it tough to read the color of the porcelain as a tuning guide. Bosch spark plugs come reliably pre-gapped and ready to give your engine its max performance no matter which model of Bosch spark plugs you decide to use. Spark plugs are capable of running anywhere from cold to hot in a given engine, depending on plug design. Learning how to read a spark plug is quick and easy, and can equip you with the skills to determine when to change out your spark plugs for optimal performance. We spoke to Don Ward from E3 Spark Plugs about the art of examining the combustion markings on a plug for tuning and plug choices. Reply Quote Re: How to Read a Spark Plug Remove and Read the Spark Plugs One at a Time Check the owner’s service manual to determine the exact location of the spark plugs. Another excellent "How to read Spark Plugs" article How you Even if your spark As your plug heats up, a color line begins to form on the ground strap. Stock plugs should be .028 and you should consult your tuner if you are not stock. Carefully read the instructions and precautions on the package, catalogue and website. Spark plugs are heat rated. This is because tuning racing engines is always done with engines in prime condition. Reading Spark Plug Performance The ability to read spark plugs can tell a mechanic a lot about the state of tune of an engine and about some of the problems an … Have you ever wondered how to "read" a spark plug? With a lighted spark plug magnifier, you can look deep inside the plug casing for signs of incorrect heat range. I'll also start pulling some plugs out of my race car at various settings and get pictures so we can see how jetting, timing and heat range affect the plugs in the same engine under the same conditions. 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