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. Reading the spark plugs for tuning is one complex task. 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. It's been a few weeks now and quite a lot of miles since I swopped the carbs over and reset the mixture etc. 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. A special tube with an angled mirror is supplied in the kit to make viewing easier. Optimum functionality A gray or light tan hue shows that the spark plug is operating at its maximum capability. Have you ever wondered how to "read" a spark plug? Today, most spark plugs have a Learn how to read a spark plug so you can know how your vehicle is performing, foresee 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. Spark Plug Reading Discussion going on in our message board. Stock plugs should be .028 and you should consult your tuner if you are not stock. Wit h Autolite you can Ed Use the hottest plug that won't over heat itself under the worst conditions. If the gap on a spark plug to far away will cause longer time to achieve spark or Another excellent "How to read Spark Plugs" article How you Reading spark plugs for racing is a precision technique that should be distinguished from the more generic meaning of reading spark plugs, as the published information intended for commercial mechanics to diagnose engine damage is insufficiently accurate. Some plugs are easier to read, I.E. Fit the lower half of the Examine Your Spark Plugs Hopefully, you’ve chosen the right spark plugs to go with your system. 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. Spark plugs are capable of running anywhere from cold to hot in a given engine, depending on plug design. 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. Remember, your spark plug is an amazing tuning tool that can provide lots of good information if you can, “read your spark plug”. So a good time to see what the spark plugs look like as a good indication whether the carb settings are correct. Carefully read the instructions and precautions on the package, catalogue and website. Additional Spark Plug Related Resources Spark Plug Reading 101 (Gas) Detailed Plug Pictures page. As your plug heats up, a color line begins to form on the ground strap. You’ll have to look every single spot closely to find the reading. Spark plug technology has come a long way. Reading a spark plug consists of examining and evaluating the condition and color of the tip of the plug. 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. 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 . It would be wise to make sure you are getting the newly designed Motorcraft plugs that don't have a reputation of breaking off into the cylinder head upon removal. With a lighted spark plug magnifier, you can look deep inside the plug casing for signs of incorrect heat range. How to Read a Spark Plug. NGK. Spark plugs are heat rated. 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 … 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. 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. 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. Top Porcelain for Detonation – Apart from pre-ignition, the porcelain reveals an approximate condition on detonation (timing/octane). 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. In detail the best process to examine a spark plug reading 101 ( Gas Detailed! At its maximum capability to go with your system whether the carb are! On plug design lighted spark plug and assess its condition deep inside the plug casing for signs of incorrect range... Spot closely to find the reading complex task and Precautions on the ground strap for their.... 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