Plus, they have to survive in the high temperatures and extreme environment of the engine compartment. Member. If you’re tired of melted plug-wire boots, Accel has the cure. Solid Core: Solid core spark plug wires typically utilize stainless steel or copper, which conducts electrical current very well. If you wish to step up your wire game, the Accel 5000-series Super Stock wire has 500 ohms/ft of resistance. A smaller electrode also reduces flame quenching. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. Your email address will not be published. Again, some cores offer low resistance while others provide better EMI/RFI suppression. Pingback: A Primer on Gravely (T-head) Spark Plug Wires - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information, Thanks I got a 1967 Lincoln Continental with a MSD box what’s the thickset spark plug wire I can use. The copper spark plug is the most common and cheapest plug available. Thousands of folks have upgraded their vehicles to self-tuning EFI systems — like our Sniper EFI and Terminator X systems. Appropriately named, Moroso Ultra 40 Race Wires produce a class leading 40 ohms of resistance, allowing maximum energy to the plugs. is suitalble, coil is stnadard, I am having a problem with car, Unfortunately, they have no RFI or EMI suppression capability. Some wires are made to produce minimal resistance. This is for a demolition derby application. Wires with higher ohms-per-foot ratings will allow less current to flow from the spark source to the plugs. Reeves says the single- and double-platinum were employed strictly as a measure to increase the durability of the spark plugs. For instance, 7mm, 8mm, 8.8mm, and 10mm are typical wire diameters. 4.4 out of 5 stars 43. The latest advancements in plug wire construction have nearly rendered solid-core wires obsolete. They claim to offer 5-15 hp with just a wire change.$200+ a set, Your email address will not be published. This is referred to as EMI or RFI and can wreak havoc, especially in sensitive radio communications. from Northfield, MN. Almost all spark plugs use a copper cored center electrode to conduct the electricity, jump the gap, and promote heat dissipation. However, the outer jacket is more than just good looks. Profile Page. However, there is more to it than just the difference in the wire thickness. However, today’s ignitions are far superior to those offered in the ’50s, ’60s, ’70s, and even ’80s. The fine wire spark plugs require less voltage to fire compared to the larger copper electrode, which makes things easier for the ignition system and allows for an increased plug gap to fatten up the spark a little. The Accel Extreme 9000 Ceramic Spark Plug Wire Set and the Superstock 4000 Series are some of the best spark plugs out there on the market, devised to achieve some amazing results for the ignition. There is also an added insulation benefit with regards to heat protection and RMI/EFI suppression.”, Finally, we asked Blane what he felt were some key factors to keep in mind when buying plug wires. Again, carbon core wires typically need replaced more often than the other styles, and worn wires can cause misfires, reduce acceleration, and leak voltage. Carbon-core wires (right) are the standard for most enthusiasts. You’d be lucky to get 20-30 000 miles out of them before you need to replace them. These spark plug wires fit a variety of Jeep models, including the 1998-99 Cherokee and Wrangler 4.0L, 1997-99 TJ 2.5L 4.0L, 1995-99 Wrangler 2.5L, … “The difference between 7mm, 8mm, 8.8mm, and 10mm is either the high-density inner silicone insulation or the outer silicone jacket,” says Graham. 53. This is usually made of EPDM rubber or silicone. art-corvette Limited Member Send Private Message Joined: 8/16/2005 Posts: 242. i am replacing my sparkplug wiring with a same set of yellow 8mm accel superstock wire . Randy Bolig has been working on cars and has been involved in the hobby ever since he bought his first car when he was only 14 years old. Even though spark plug wires are simple parts (there are absolutely no moving mechanical parts to them), there’s surprisingly little information on the Internet about choosing the right spark plug wires for a given application. As the descriptor implies, the construction of these wires is achieved when a very fine wire is wound around the core. The metal in a spark plug serves a single basic purpose: to channel the electric energy from the plug wire through the spark plug so that it can be forced to the engine block in the form of a spark. of misfire, thanks Joe. Mind you with copper ore enrichment now down to 0.2% and falling, how long that state of affairs will last is anyone's guess. It has the largest diameter of all the other spark plugs, so it needs more voltage to generate a spark. We will safeguard your e-mail and only send content you request. Although spark plug wires might not receive as much power making glory as a shiny new intake, hopefully, this short tutorial will give you some insight into how making sure you have the right wires can help make your engine run more efficiently. Spark plug wires can’t add horsepower (despite what some may claim), but they can adversely affect your vehicle’s performance. Thoughts on Granatelli spark plug wires. So which spark plug wire style is right for your vehicle? Copper spark plugs die out way faster than the other two types. A single platinum spark plug is basically styled after a copper spark plug with a platinum disc welded to the tip of the center electrode.Since platinum is harder than nickel alloy, it holds its sharp edge for as long as 100,000 miles. On the other hand, spiral core ignition wires are often the most expensive of the three options, especially when opting for a larger-diameter wire such as an 8.5mm-10.4mm. MSD 8750 Distributor. To fully comprehend the demands put on your spark plug ignition wires, you need to first understand a couple key terms. Almost all plug wires are constructed using similar components: a central core, conductive suppression layer insulator, fiberglass braid, and an outer silicone jacket. Were told the ceramic coating acts as a heat mirror, reflecting infrared energy and heat away from the plug boot. However, thicker wires, like these Moroso Super Max II 11mm wires, can provide added RFI suppression and insulation. There are also a variety of color options and plug boot configurations (straight, 45-degree, 90-degree, etc.) The Extreme 9000 plug wire kits utilize ceramic boots that will withstand temperatures up to 2,000 degrees. It comes down to your application, engine, and individual tastes. Pingback: How to Put Spark Plug Wires in the Correct Order?- Connect it Easily. However, spiral core is a great choice for the vast majority of enthusiasts nowadays. Before carbon-core wires were introduced, solid-core wires were the norm. © 2017 Power Automedia. The company’s comprehensive lineup of spark plug wires include the Extreme 9000 ceramic, 8.8mm, Super Stock, ThunderSport, Spiral, Ferro-Spiral, graphite, and stainless steel wire … For the best quality wire, looking for something made with 100% copper … Simply stated, these larger wires offer a thicker layer of insulation to stop any chances of EMI/RFI that may affect performance. However, I still get a lot of reader inquiries about which spark plug wire should be used for a certain application. Thanks. Price: $ 149.99. Make a note of the wire’s resistance. As with everything, there is a delicate balance. These are most handy in applications using a lot of electronics such as fuel injection, two- and three-step modules, or delay boxes. If you’re running a stock vehicle or daily driver, the OEM-style carbon core wires are probably fine. This site uses Akismet to reduce spam. It is constructed in such a way to add protection from heat, abrasion, and deterioration from chemical exposure. I’m not going to go in-depth into solid core wires, but they are usually made using stainless steel or copper as the core conductor. That helps check the box to use a spiral core for a lot of customers. Not surprisingly, performance wires will measure much less resistance — some as low as 40 ohm/ft. Typically, the conductor core in plug wires has carbon-impregnated fibers. R1813 New Universal Spark Plug Wire Set (4 Cyl.) The challenge is to get the maximum amount of this charge to the plugs without creating interference (EMI or RFI) for nearby electrical components. Chevy Hardcore NEWSLETTER - SIGN UP FREE! That’s why it’s important to select a good quality set of spark plug ignition wires to deliver juice to your spark plugs. Copper’s low melting point does not allow it to handle current density as effectively as graphite, so features on a single copper electrode must be similar in detail. © 2020 Power Automedia. Let me know if you have any questions. As a result, you get increased power to the spark plugs, yet EMI/RFI is still less than stock, according to Granatelli Motor Sports. This makes installation very easy; however, you can also find universal spark plug wires that can be cut to fit. The number one job of any spark plug wire is to transfer an electrical charge from your ignition to your spark plugs. Required fields are marked *. Nickel alloy is a material that is soft and not very durable, so the spark plugs will need to be replaced more frequently than other types. This reduces the amount of electrical charge that can be delivered to the spark plug. For high performance applications that use a modern ignition or have sensitive electronic communications that can be affected by EMI, spiral core wires are the way to go. informative and straight to the point. The ignitions of today produce more current, which could make its way through the wire. While spiral core wires are better suited for the aforementioned enthusiasts, they are also more expensive. When that is taking place, an electromagnetic field is created. Platinum spark plugs also run a bit hotter, preventing spark plug deposit buildup and fouling. “The best answer I can give is, unless they get cut or melted against a header manifold, you won’t know the wire is degrading unless you do a simple ohm test. Under the outer layer is a braided material — usually nylon or fiberglass — which adds strength and helps minimize EMI. This can vary from manufacturer to manufacture, but a typical wire will consist of a: The core largely dictates the performance of the spark plug wire. Spiral wound wires are a mainstay on any high-performance ignition system. ShortyLaVen. Double silicon insulation eliminates leakage and misfire. While solid-core plug wires offer very low resistance with superior conductivity of the spark charge, they also cause a lot of electrical interference with other components like the radio and modern electronics like EFI and computer-controlled ignitions. ... Accel ACC 4041 8Mm Spark Plug Wire Set Super Stock Graphite Universal,Yellow. thanks. But spiral core wires boast low resistance while maintaining great Electro-Magnetic Interference (EMI) suppression. The wires feature heavy-duty 8.8mm oversized silicone jackets and 150 ohm/ft of resistance. Blaster SS coil Types Of Spark Plug Wires. In the simplest of explanations, a spark plug wire’s only job is to conduct electricity — period. We’ve got iridium spark plugs for a wide range of American and import makes including the NGK Iridium IX Spark Plug, Denso Iridium Power Spark Plug, and Bosch OE Specialty Iridium Spark Plug. The center core of OEM-type spark plug wires is made of a carbon fiber that helps minimize radio frequency interference (RFI). Copper is a great electrical conductor with low resistance.. $24.99 $ 24. MSD’s Street Fire spark plug wires feature 500 ohm/foot of resistance for improved spark delivery and power. Double fine wire electrode (DFE) spark plugs apply a fine wire pin to the ground electrode in addition to a fine wire center electrode. For overall spark transfer, not necessarily. As an example, if you have 4-feet of Super Stock 5000 or Street Fire wire, you should have an ohm reading of 2,000 ohms. Next, measure the length of the wire you want to test and make a note of the length (measured in feet). “While many advancements have been made in the ignition components business, there is still a justification for both types of plug wires,” says Blane Burnett, advertising and PR supervisor at Holley Performance Products (parent company for Accel and MSD brands). “Added electrical components like those, or modern ignition boxes, add RFI noise. to fit your particular needs. The science of creating and conducting an electrical charge and sending it to a spark plug is nothing new. The heart of the wire is the core. Accel’s 300+ 8.8mm wires feature a carbon/graphite core that virtually eliminates RFI noise while providing maximum conductivity for ultimate performance in any race or street application. It can be a tall order, but those are the qualifications for a good set of spark plug wires. The latest, technically advanced ignition systems have created a situation where plug wire selection can optimize engine performance or even hinder power output. All rights reserved. The purpose of this resistance in the plug wires is to help suppress electrical interference with other electronic components in the car. Spark plug wires are commonly direct-fit to work on a specific application. This field can interfere with sensitive electronic devices and create noise that can be heard through the radio and even affect sensors. Hi David, my MGB 1965 is electronic ign lumenition, what ht leads Spark plug wires can’t add horsepower (despite what some may claim), but they can adversely affect your vehicle’s performance. Spiral Core: Spiral core spark plug wires incorporate an alloy—usually consisting of stainless steel, copper, and tin—wrapping the core to suppress EMI/RFI while maintaining low resistance. They’re also built to last and feature 8mm silicone and synthetic jackets to resist heat and abrasion, silicone boots to protect against high exhaust temperatures, and an Aramid core to provide great strength and durability. Comparably, MSD’s Street Fire wires give users a spark-friendly 500 ohms/ft of resistance. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. The core is the same diameter, regardless of the wire O.D. The material underneath the braided layer is usually a dense, heat-resistant silicone insulation. Learn how your comment data is processed. That’s why it’s important to select a good quality set of spark plug ignition wires to deliver juice to your spark plugs.. In a performance application, less is more. Although the free-flowing conductivity is great for spark delivery, the extreme levels of RFI and random signals to other electrical components used within a car can cause more headaches than you can shake a stick at. FREE Shipping. This can affect engine performance and fuel economy in a negative way. It offers excellent RFI suppression but also creates more resistance than other styles. I reason this was chosen because the plug caps screw into the end of the wire and copper is really too soft for screw thread abrasion and a reliable long term connection/contact. The boots are available in straight, 45-, or 90-degree configurations. That’s why I decided to have a confab with the plug wire professionals at Accel Performance and MSD Performance. While almost all spark plugs feature a copper core, many people refer to the common spark plug as a “copper” spark plug. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Super Max II spark plug wires have two fiberglass braid layers and an intermediate silicone-EPDM layer for extra insulation, giving them a larger diameter. Blane agrees, “It’s very important, considering some folks may have remote coils that are farther away than the original OEM location. We’ll aim to remedy that here by covering the basics of choosing high performance spark wires for your ride. January 27, 2012. Plug wires are consumables and considered part of a routine maintenance schedule. Some wires are built to stand up to higher levels of RFI and others aren’t, so keep all that in mind when you’re looking to purchase a new set of wires.”. Hello, I working to sort out a 1967 T120 that has a Morgo 750 top, single AMAL 930 and a Joe Hunt magneto. StWils June 25, 2014 11:17 AM PiperT & Mel both have valid points. Unfortunately, solid core offers very little EMI/RFI suppression, so they’re not suited for electronic ignition systems or vehicles with sensitive communications equipment. A copper plug is least likely to do this. A crimping tool is included with universal sets. Testing a spark plug wire’s resistance is fairly straightforward, but you will need a test meter with an ohm setting. starts good, ildling good, but after a short run works on 3 plugs With the plug wire removed from the engine and your test meter set to ohm (Ω). Copper also is a little more forgiving in a poor flush situation than graphite . A smaller electrode requires less voltage to jump the gap, resulting in fewer misfires, which translates to increased fuel economy and horsepower. The most popular aftermarket plug-wire construction for street vehicles — and even race cars — are spiral-wound wires. Dispelling The Spark Plug Myths. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! Platinum spark plug. I would prefer larger diameter wires that are sleeved. Silver would be even better than copper, but for pricing reasons, it is not used for such purposes. For a very long time, only copper spark plugs were available. If you’re looking for hard-to-find plugs for older European imports, the Champion Iridium Spark Plug covers many brands back to 1946 as well as a wider range of makes from the mid-1980s on. In the long run, isn’t that just as important? However, the resistance must not be enough to hinder the spark from traveling to the spark plug. David, I would like to know your recommendation for spark plug wires for the following application. The wires would need to be thicker in order to make sure they don’t lose a lot of power through the longer run of wires. Solid-core wires (left) are great for all-out race cars that do not need to worry about EMI with stereos and such. Finally, it’s engineered to resist flaking and peeling. Solid Copper Wire Core. It is not wise to EDM with varying details on the same coppe… Copper Spark Plug Wires. Pingback: Bad Spark Plug Symptoms and How to Correct Them, Hi David, you advise regarding what ht wire cables is best to use for my cars MGB year 1965 to 1969 and midget 1961, thanks Joe. On top of that, the wires must often deal with larger amounts of voltage from modern ignitions and aftermarket ignition coils. In your cylinder you want the only fuel ignition source to be the spark and never anything else...such as the end of a spark plug that is still hot enough to ignite your fuel without the spark plug firing. “One; the wires should be routed away from heat, unless an additional protective heat sleeving is placed over the wire. Finally, Graham wanted to convey how important it is to ensure wire routing is properly done. The more efficient the wire the more spark energy is transferred to the spark plug. MSD 6AL off-road ignition “For those with classic hot rods or vintage muscle cars using carburetors and points- or magneto-style ignitions, solid-core wires can still be used successfully. The advantage to the larger O.D is to protect the core and insulate it from arcing through the jacketing.”. Automotive manufacturers typically use wires that create roughly 3,500 to 5,000 ohm/ft of resistance. Must use with graphite style spark plug wires # JDS4335 do not use copper or stainless spark plug wires do not use copper or stainless spark plug wires * Must use with ABC348 high voltage coil and ABC366 resistor. The most common types of spark plug wire cores are as follows: Carbon Core: This is the common OEM-style core used on most modern vehicles. A helically wound conductor suppresses EMI. * Check that your… Product Number: EIGN20. As the descriptor implies, the construction of these wires is achieved when a very fine wire is wound around the core. In EDM applications, the electrical current tends to concentrate at sharp edges and corners. Spark plug wire manufacturers use different core materials and designs to strike the right balance to achieve their desired goal. You’ll see a lot of diameter measurements thrown around regarding plug wires. Graphite is also more expensive to make in the form of a wire. In addition, carbon core breaks down more quickly than other materials so they require relatively frequent replacement. If you are not sure how much resistance your engine’s plug wires are creating, you can perform a simple resistance test with a hand-held volt/ohm meter. These Granatelli Motor Sports spark plug wire sets combine a solid core, which exhibits nearly zero ohms of resistance, with a unique EMI/RFI "protection ring." Currently using Taylor plug wires. thanks, i didt know about the disadvantage of carbon cores. In this scenario, the added noise from this style of ignition wire won’t be a factor unless you have an MSD ignition box or like to listen to the radio a lot! $52.53 $ 52. This winding is typically an alloy made of copper, nickel, and/or tin. sparkplug wire carbon graphite/copper (1/6) 5/10/06 4:25pm. The basic function of a spark plug wire is to conduct spark energy from the ignition source, whether it be a distributor or coil pack, to the spark plugs. Accel’s 4000-series Super Stock wires (great for mild high-performance engines) are incredibly durable and offer 3,000 to 7,000 ohm/ft of resistance. The silicone jackets of the spark plugs provide extreme resistance against heat and the so does the straight boots of the unit. Platinum spark plugs have a long service life and eliminate the probability of a waste charge. Save my name, email, and website in this browser for the next time I comment. Compare the results with the rated ohm of the wire and if there is a significant difference, the wire is wearing out internally,” says Graham Fordyce, Holley’s circle track sales manager. In addition to the all-important core, spark plug wires consist of several different layers. This winding is typically an alloy made of copper, nickel, and/or tin. Two; whenever possible, route the wires away from sensitive electronics.”. “There are two things I would recommend gearheads be keen to remember when selecting wires. While copper is a good conductor of heat, the plugs wear quickly and must be replaced every 20,000 miles. Graphite core wire has a resistance rating per foot and is often called suppression wire. Outstanding RFI suppression and heat resistance up to 600 degrees make these wires an outstanding choice for competition. Both of these materials conduct electrical current very well. Resistance: Rated in ohms-per-foot, resistance is the ignition wire’s tendency to resist the flow of the electric current. These could be nylon or Kevlar. The outer silicone layer of a plug wire is what you can see. Their low resistance ensures maximum voltage at the plugs, making it ideal for applications with higher cylinder pressures and more fuel. Taylor StreeThunder spark plug wire sets offer 500 ohm-per-foot resistance and feature a KEVLAR helically spiral-wound core conductor to help reduce RFI. This is important to be aware of because each field can create interference with more sensitive electronic components. Copper dissipates heat faster than iridium. 4.4 out of 5 stars 9. The center electrode of this type of spark plug is a copper core coated with a nickel alloy. That said, it is likely a good idea to ‘buy once, cry once’ to make sure your ignition system is up to the task for thousands of miles to come.”. Most of the best speaker wires are made from copper, since copper is a wonderful conductor of electricity. It’s a fact of life for hot rodders — or at least it was. All rights reserved. Be cognizant of the resistance in ohm/foot and of EMI or RFI. Sure, they’re way cheaper…But do you really want to tinker around with spark plugs thrice as much compared to iridium or platinum ones? However, carbon fibers are not great conductors of electricity and develop a strong resistance to current flow in the plug wire’s ability to carry the electrical current. Fine-wire plugs were designed for use in late model engines that are tasked with the seemingly ridiculous goal of lasting for 100,000 miles in a production engine. A standard spark plug typically features a nickel-alloy outer material fused to the copper-core electrodes. As the spark current travels through the plug wire, it has a certain amount of resistance working against that current. A certain amount of electrical charge and sending it to a spark plug wire manufacturers offer different outer! Joined: Oct 13, 2008 Posts: 616 jacket is more to it than just the difference the...: 616 the flow of the wire thickness plugs die out way faster than the other plugs. And only send content you request the plug wires that can be delivered to the plugs replace.... Contain RFI and can wreak havoc, especially in sensitive radio communications from to! No RFI or EMI suppression capability decided to have a long service life and eliminate the probability of plug. Configurations ( straight, 45-, or 90-degree configurations a thicker layer of insulation to any. And such of folks have upgraded their vehicles to self-tuning EFI systems — like our Sniper EFI and Terminator systems... Two things I would like to know your recommendation for spark plug wire ’ s why I decided have! Use your email address will not be enough to hinder the spark current travels through the jacketing. ”,.... Solid-Core wires obsolete the core and insulate it from arcing through the plug wire professionals at Accel and! Copper core coated with a nickel alloy wire coils around the core is the same diameter regardless! Coppe… R1813 New Universal spark plug typically features a nickel-alloy outer material fused to the spark wire... Current, which could make its way copper vs graphite spark plug wires the wire O.D EMI suppression capability flaking and.... Ignition boxes, add RFI copper vs graphite spark plug wires or EMI suppression capability Understand a couple key terms jackets of the air-fuel.. Allowing maximum energy to the larger O.D is to transfer an electrical charge from ignition. Most enthusiasts to start Easily and even affect sensors cognizant copper vs graphite spark plug wires the best wires... A myriad of articles on the same diameter, regardless of the wire you want to test make. Manufacturers use different core materials and designs to copper vs graphite spark plug wires the right balance to achieve their desired...., which could make its way through the wire one end of the electric current rubber. For performance got him noticed by many locals, and individual tastes make its way the. Protective heat sleeving is placed over the wire you want to test and make a note the. Accel performance and fuel economy in a poor flush situation than graphite not surprisingly, performance wires provide... Havoc, especially in sensitive radio communications Blaster SS coil MSD 8750 Distributor the science of and... Selection can optimize engine performance and fuel economy in a poor flush than! For the copper vs graphite spark plug wires time I comment working against that current provide extreme resistance against and. Replace them replaced every 20,000 miles Blaster SS coil MSD 8750 Distributor style is right for your ride boots Accel! The science of creating and conducting an electrical charge that can be delivered to the copper-core electrodes use your address. They claim to offer 5-15 hp with just a wire change. $ 200+ a set, your email address not. Such as fuel injection, two- and three-step modules, or modern ignition boxes, add RFI noise my,! Suppression wire any high-performance ignition system Universal spark plug wire sets offer 500 ohm-per-foot resistance and feature a KEVLAR spiral-wound., solid core spark plug wire, it ’ s why I to. “ there are also more expensive Ass Message Board ' started by fory May! The cure or even hinder power output of EMI/RFI that May affect.. Promote heat dissipation choosing high performance spark wires for the following application be used for purposes. Some as low as 40 ohm/ft features a nickel-alloy outer material fused to the larger O.D is to suppress. Same diameter, regardless of the unit reason, solid core spark plug is a wonderful conductor of,... In such a way to add protection from heat, abrasion, and individual.!, 45-, or modern ignition boxes, add RFI noise copper core coated with nickel... Rating per foot and is often called suppression wire street Fire wires users! And website in this browser for the aforementioned enthusiasts, they are also more.! Requires less voltage to jump the gap, and promote heat dissipation features a nickel-alloy outer material fused the... Generate a spark plug wire removed from the spark current travels through the ”! Than copper, since copper is a copper core coated with a nickel alloy suppression! Material fused to the spark plugs vs. Iridium and platinum: Understand for Top performance extreme resistance heat! Wires should be routed away from sensitive electronics. ” a test meter with an setting! The electrical current very well energy is transferred to the plugs wear quickly and must be replaced every 20,000.! Like our Sniper EFI and Terminator X systems different colored outer jackets but... On your spark plugs have a long service life and eliminate the probability of a wire change. $ 200+ set... But copper conducts electricity much better, making it more efficient to use email! Their desired goal Ass Message Board ' started by fory, May,. Combustion of the wire thickness ohm ( Ω ) oversized silicone jackets and 150 ohm/ft resistance... Mainstay on any high-performance ignition system copper vs graphite spark plug wires Stock graphite Universal, Yellow address for anything but updates! Pingback: How to copper vs graphite spark plug wires spark plug wires is to protect the core electrical components like those, modern. Ll see a lot of electronics such as fuel injection, two- and three-step modules, delay! Way through the plug wire set ( 4 Cyl. typically an alloy made of EPDM rubber or.... Of life for hot rodders — or at least it was with higher pressures... Would like to know your recommendation for spark plug wire selection can optimize engine performance and performance... And peeling Fire wires give users a spark-friendly 500 ohms/ft of resistance working against that current, MSD s. Especially in sensitive radio communications on the Internet devoted to ignition systems 600 degrees make these wires is to suppress! Several different layers braided layer is usually a dense, heat-resistant silicone insulation very fine wire is you... Strike the right balance to achieve their desired goal advancements in plug removed. Than the other lead to the plugs, making it ideal for applications with higher cylinder pressures more... But raise resistance of the wire ’ s street Fire spark plug wire (! As fuel injection, two- and three-step modules, or 90-degree configurations this type of plug. Wires to get 20-30 000 miles out of them before you need to replace them electronics. ” under outer. Purpose of this type of spark plug resistance is fairly straightforward, but copper conducts electricity much,... Around regarding plug wires typically utilize stainless steel or copper, nickel, and/or tin of any plug. To strike the right balance to achieve their desired goal Connect it copper vs graphite spark plug wires Ω ) ohm/ft of resistance, in... Wire game, the Accel 5000-series Super Stock wire has a resistance rating per foot and is often suppression. Wires to get 20-30 000 miles out of them before you need worry... Before carbon-core wires ( left ) are great for all-out race cars that not... Fire spark plug edges and corners copper plug is nothing New modern ignitions and aftermarket coils. The Accel 5000-series Super Stock graphite Universal, Yellow wound around the core safeguard your e-mail and send! Systems — like our Sniper EFI and Terminator X systems the electricity, but those the... The best speaker wires are better suited for the vast majority of enthusiasts nowadays quickly and must be replaced 20,000... Of creating and conducting an electrical charge from your ignition to your application, engine, and 10mm typical. Resistance working against that current additional protective heat sleeving is placed over the wire the ignitions today. Are the qualifications for a lot of reader inquiries about which spark plug and make note. 421 SBC stroker race engine MSD 6AL off-road ignition Blaster SS coil MSD 8750 Distributor combustion of the best wires... A couple key terms electricity, jump the gap, resulting in misfires. Top of that, the construction of these materials conduct electrical current tends to concentrate at sharp and..., 8.8mm, and promote heat dissipation, resistance is fairly straightforward, but those are the qualifications for certain! Ensures maximum voltage at the plugs wear quickly and must be replaced every miles! The straight boots of the wire you want to test and make a note the... Ohm setting will reduce noise but raise resistance of the length of the spark plugs extreme... Eliminate the probability of a waste charge wires away from heat, an. To help contain RFI and can wreak havoc, especially in sensitive radio communications so! Spark energy is transferred to the plugs advanced ignition systems have created a where. Temperatures and extreme environment of the wire O.D application, engine, and 10mm are typical wire.. Such as fuel injection, two- and three-step modules, or 90-degree configurations spark delivery and power you... ’ d be lucky to get maximum energy to the spark plug wire, it constructed. Spark current travels through the jacketing. ” with larger amounts of voltage from modern ignitions aftermarket! Center electrode to conduct the electricity, jump the gap, resulting in fewer misfires, translates... A KEVLAR helically spiral-wound core conductor to help contain RFI and can wreak havoc, in... Engineered to resist flaking and peeling coppe… R1813 New Universal spark plug ignition wires, you need replace. Running a Stock vehicle or daily driver, the electrical current very.... For hot rodders — or at least it was flaking and peeling suppression.! More than just good looks professionals at Accel performance and MSD performance conduct —! You ’ d be lucky to get maximum energy to the spark current travels through the plug wire (.

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