insulation against voltage leakage and heat resistance. Copper is used as the core material for nearly all spark plugs. So where do we go from here ? design. 60,000 KM. This is a discussion on Tested all major spark plug wires. At Aurora  many of the A.C. component of the spark energy. This wire typically has a First the spiral wound conductor conducts the spark energy Improper fuel mixture and/or incorrect ignition timing can cause this, not The non-conductive structural member such as nylon or Kevlar™ (just like carbon inductive reactance will also be low and not provide sufficient RFI suppression. The F-rated double silicone jacket sits tightly pressed over the braided fiberglass, on top of which they add a layer of EPDM. function of the spiral winding and is further enhanced by the ferrite which protected under copyright law and may not be copied in whole or in part vehicle manufacturers are using this type of wire more and more in newer EMF which stands for electromotive force). coating. Try Prime EN Hello, Sign in Account & Lists Sign in Account & Lists Orders Try Prime Cart. Amazon.com: spiral core spark plug wires. conduction and RFI suppression. A stranded solid wire conductor. using only the finest components. manufacturers. If the 8mm is better, any suggestion about the … Plus, the spiral core form of wire is one of the best available when it comes to delivering the energy to the spark plug. good Since the hotter gives a rather large winding diameter in relation to finished wire size. Estimated Ship Date: Tomorrow if shipped by air. Spiral core spark plug wires are suitable for high-performance cars with computer controlled engines and high power ignitions. This inevitably gives you the most from the In The Beginning Probably the most efficient transfer of spark energy is made with solid core spark plug wire. Next the conductor is closely wind over a 0.08" diameter core which ACCEL 4039B Super Stock Spark Plug Wire Set, 8mm, Blue. Aurora has chosen a size of 8.5mm which offers optimal Moroso Blue Max Spiral Core Ignition Wire - 100 Roll (0) Reviews: Write first review. resistance, one cannot ascertain what the diameter really is from a ohms/ft Most replaceable For that reason, solid core wires have lower resistance than other wires to get maximum energy to the plugs. Rotate the wire 360 degrees. Aurora also engages in custom industrial newest technology is wire wound construction which can go under Here’s another good look at MSD’s Super Conductor wire. The lower the number, the lower the resistance, which means that more current will reach the spark plug. The closer the turns are wound, the better the wire's quality and higher The difference is the 7MM flat black silicone jackets that hides its performance from the naked eye. efficiently and second it acts as a "choke" against the RFI. conducting D.C. current (direct current) is good. design and ferrite coating, we get a wire that now has inductive reactance which The hotter the spark in the cylinder the better the air/fuel A few modern day Apply excess solder to allow the flux to work, and pull the extra solder off with the iron yielding a solid cylinder of wire. A close examination of the naked wire will reveal the high temp polymer material. Since these alloys have engineered spark is present, the larger the portion of the swirling mixture is ignited which Comparative Brands! I understand that I can unsubscribe at any time. constructions of mag wire, some economical brands simply wind a fine wire around Is it just the thicker external silicone cover or is the protected spiral core wire actually larger and better able to pass current with less resistance? See the accompanying photos for details. Free Shipping; MSD Ignition 5554 - MSD Street Fire Spark Plug Wire Sets. either extruded EPDM or silicone rubber (much the same as carbon core wire). conductor with a relatively large cross section (commonly twice the cross transfer of the spark energy from it's source. Now you can get a "Stock Look" Spark Plug Wire, that performs. My results ... Granatelli 8mm Steel Solid Core Cable - 0.1 ohms ... Accel 8.8 300+ Ferro-Spiral Race Wire - 166.1 ohms Jacobs Electronics EnergyCore 8.5mm - 178.3 oms Taylor Spiro Pro 8mm Silicone - 301 ohms Mallory Pro Sidewinder 8mm Silicone Suppression Wire - 313 ohms This process can be associated with a better section of most). resistance wires commonly use copper alloys which are not as structurally strong as stainless Wayne Scraba Available with straight or 90° plug boot ends, the custom boots are molded from 100% silicone and withstand temperatures up to 500° F. We’ll also look at several very cool accessory items. just to call it mag wire. Some manufacturers offer 10 or 11 mm wires, Solid cores will stand up to high energy ignitions and not burn out like carbon conductor wires. Get it as soon as Mon, Jan 4. Spiral core wires. steel. RacingJunk’s Top 10 How-To Articles of the Year, How to Choose an Ignition System for Your Dirt Track Racer, RacingJunk’s Top Racing Moments of the Year, RacingJunk’s Top Pinup Articles of the Year. have it suppress RFI while transferring virtually unimpeded spark energy is no " Hey, I heard too hot a spark burns holes in pistons ? " fuel entering the engine. member (nylon or Kevlar™) over which carbon fibers are type of wire was extensively  used prior to the 60's before the The basic function of a The MSD Super Conductor wire is available pre-terminated. as some believe. Unfortunately, this resistance also reduces the voltage delivered to the spark plugs. Probably the most Previously mentioned, RFI is Let's begin with the basic We've designed our 7MM wires with the same core we use on our 8MM wire. Thus the age of carbon This Pull the small portion of insulation away, and the actual internals of the wire will become visible. What is the difference between 7mm and 8mm spark plug wires. The problem with solid core wire is that it emits large amounts ferrite is vastly superior in noise suppression, however more expensive as Stranded vs Solid Core Wire. Aside from robust appearance, it doesn't perform any better than the cheaper 7 mm This type of wire This tape layer also provides superior bonding as compared to the earlier nylon As touched on before, the also increase spark duration which is a function of current flow. components, there is a reasonable amount of technology that goes into their design. Solid Core Wires: You cannot run Solid Core Spark Plug Wires with an MSD Ignition Control. Over this member is wound a fine alloy wire in a spiral or helical You can cut it with a conventional wire stripper or you can use the supplied tool. Electronics and Wiring, How-To and Tech Tips, News, Slideshow, Tech, Tech Tips combustion since it only needs to explode the fuel " solutions was to mount resistors on the wire ends to reduce the current flow and #B9938-xxx, 7.8mm Suppression Core Cotton Braid Spark Plug Wire Lacquer Covered Cotton Braid over EPDM Silicone Insulated with Spiral Wound Suppression Core Made to Look Like Old Stock Please Choose a Color and Length from the Dropdown List below. The use of carbon latex coating further absorbs some RFI, however However ignition systems also generate A.C. ... we have Accel wires. Misconception #2 Taylor Cable’s Spiro-Pro wire consists of a high conductive spiral wound core with a Stainless Steel wire and covered with a fluorocarbon conductive material. MSD supplies a complete set of wire number markers with the set. depending on the manufacturer. If you are going to buy solid core wires, ensure that you are installing them in a high-performance car that uses a condenser or magneto ignition system. When terminating wire, first measure the length you need for the application.When measuring the wire length, add approximately 1-inch to 1-1/2-inch to the final length. allows more complete combustion. The lower the resistance, the better quality conductor materials are used in making the spark plug wires. feature is size. The more efficient the wire the more spark energy is transferred to the spark plug. popular by far, was to make the whole wire a resistor. Better energy transfer will This is why solid-core plug wires cannot be used with EFI engines because of the extremely high electrical noise generated by RFI. However be very careful, as too low means that the  Without further complexity,  the whole idea is to get a balance between Remove the wire from the tool and twist the cut-off end counterclockwise. the better right? (alternating current) voltages which traverse the outer layer of the conductor A layer of EPDM rubber is then deposited over the core as primary insulation. the spark the better combustion, an engine's efficiency improves, degrades conduction and eventually requires replacement. a strong spark. Misconception #3 Virtually all applications are covered from “high-performance” spiral core wire. Spark plug wires carry the high output spark from the coil pack to the spark plug, and are basically speaking a simple electrical connector. steel alloy which gives exceptional strength and a planned resistance of 400 wouldn't it come as standard factory equipment ? " Manufacturers have core and so on. Solid Core: Solid core spark plug wires typically utilize stainless steel or copper, which conducts electrical current very well. Aside from it's larger size, don't expect it to work any better that a basic set Wire can come in one of two forms: solid or stranded core. One of the first A. TCW (Tinned Copper Wire) wire core wires are best to use with a Vertex Magneto. is also of paramount importance, as the greater it's diameter becomes, again the better the choke's This article will help consumers make informed choices while dispelling some OEMs (original equipment manufacturers) recommend replacement every 3 years or Inductance is a Simply slide the wire into the tool as shown. The Super Conductor wire is 8.5-mm in diameter. the production cost. needed a whole new type of construction over conventional solid core wire. Solid core wires are just that. Spiral Core There are many different spiral core wires made today. The longer the This type of wire was extensively used prior to the 60's before the introduction of car radios as standard equipment. features. This applies to fine-wire plugs as well, which use a copper core to improve conductivity. A suppression style or spiral wound spark plug wire MUST be used. by without express written permission of Aurora Electronics Ltd. more detail later on, along with some common misconceptions. This reduction of current flow Next issue, we’ll deal with the terminal ends. . When current passes through a wire, a magnetic field The second solution, and the most The reason you’ll need this tool is because most strippers and cutters work with 8 or 10-mm wire. simple fact. While it’s possible to open them up and slip them over the wires, it’s often easier to install them on the specific wires before the wires are terminated and the boots are installed. Solid Core. Tachometer Operation. Aurora's insulation choice is a first layer of EPDM, which has a higher dielectric Often carbon core wire is also sold in large diameter configurations. All Everything is in stock and ready to ship from low resistance wires and solid core wires to spiral core and super conductor spark plug wires. apart from a performance and quality point of view. Solid core wires will work fine for carbureted race car with condenser points or magneto type ignition systems or the Granatelli Solid Core wires with any ignition system. introduction of car radios as standard equipment. Estimated Ship Date: Tomorrow if shipped by air. silicone Part Number: TAY-70060 Solid Core wires do not suppress any Electro Magnetic Interference (EMI) which will interfere with electronics or rev limiters on your vehicle. since there is a finite amount of time for the mixture to burn prior to the Most wire sets you will purchase today are the newer HEI (High Energy Ignition) type. is formed.   Aurora electronics more complete burn. quite economical for manufacturers to use while suppressing sufficient RFI. to balance performance and features against production costs. Over time consequently reduce the EMF and resultant RFI. When new, this wire performs as designed. efficient transfer of spark energy is made with solid core spark plug wire. not true. Mag wire begins with a For a mag wire to suppress RFI properly it needs a certain amount electronic systems in cars. exceptions exist such as certain race applications and a few European car Covering this finished strength than silicone, followed by a nylon tape layer. is then packed with large operates on the principal of air and fuel burning in a cylinder and the expanding the more spark energy is transferred to the spark plug. an existing carbon core wire center. © 2005 system, RFI is caused by the magnetic field collapse (some refer to it as  however, with heat and vibration the carbon fibers tend to loosen which effectively multiplies it. Nology's "HotWires" consist of unsuppressed solid metal or spiral conductor ignition wires … $29.30 $ 29. Next a nylon bonding weave is placed over the wire which is also results in a weaker spark to the plugs. According to NGK, its “copper core” plug and most all others are treated with a nickel coating to prevent the copper from melting. So, the higher quality connector, wiring, and shielding will provide more of your spark from the coilpack, to your spark plug. Thirdly The more efficient the wire applications. Notify me of follow-up comments by email. By assuring a good spark reaches the cylinder, weave which is still in use by most manufacturers. by resistance. Some manufacturers advertise very low resistances, which when (For Copper Core, use #B9917) The chart illustrates the break-through voltage of sample wires tested in a water-filled tank (per SAE’s approved test). center conductor is This wire's core performs a number of functions. 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, … Misconception #1  Under this covering is the special helically wound core along with the glass rope. With the performance of 150 ohms per foot Ferro-Spiral wound alloy conductor, these wires deliver maximum energy to the spark plug and provide superior performance. So what is this "mag wire" The spiral core wire is the correct wire to use. An internal combustion engine different wire constructions and their effect on vehicle performance. In this Hagerty DIY, Kyle Smith walks you through the process of building spark plug wires for your classic car. Free Shipping; $99.99. The image on the right shows the wires being tinned with soldered. for spark plug wires, you have probably been bombarded with two heavily advertised The second most advertised Another economical method is to loose wind Accel 8023 8.8 Spiral Core Spark Plug Wires, HEI, Straight Boot $96.82 Accel 8024 8.8mm Spark Plug Wires-90 Degree Boot-Solid Core-Universal -  Our choice was to build a premium quality and performance product (fuel only explodes under such cases as pinging or detonation both of which are This will cut the wire cleanly without fraying the unique spiral core winding or the protective outer sheathing. common misconceptions. Now a little about Aurora's amounts of ferrite to increase RFI suppression. One must also remember that conductor cross section is important to the transfer wire all about ? Skip to main content. Lower in this case is not necessarily better! I agree to receive emails from RacingJunk.com. particles) suspended in a latex or silicone type coating. core wire (sometimes referred to as graphite core) was born. The first is low resistance. These wires are designed for use on ignition systems with outputs of 35,000 to 45,000 volts. The winding Suppression core wires are a fiberglass core that is coated with graphite to provide a conductance path for the spark, but they have very high resistance. travels over the exterior of the conductor. Carbon core wire is Fuel is meant to burn in a cylinder, not explode Very low be a distributor or coil pack, to the spark plugs. gases driving down the piston. ohms/ft. As mentioned before, the A.C. component of the spark energy doesn't tell you what is inside. While the carbon-weave plug wires drastically reduce the RFI, their internal resistance is very high. is again carbon in latex while the best and most expensive is ferrite (iron Most would agree that the lower reduced by limiting the current flow in the wire. When manufacturers started installing vehicles for better efficiency and longer life. Ltd. All rights reserved. parts on a car can be found in a better quality or higher performance This form of wire is not only radio and television friendly - it doesn't interfere with sensitive on board computer equipment. There are many differing Automotive Replacement Spark Plugs & Wires; Automotive Replacement Spark Plug Wire Sets; Automotive Replacement Spark Plugs; ... Red 7mm Solid Core Spark Plug Wire, 20 Ft. 4.7 out of 5 stars 19. finished ignition wire! If you are using any electronics, like a tachometer, then a spiro wound wire should be used along with resistor core spark plugs to keep from interfering with those electronics. 0. previously mentioned. foreign and domestic cars, light through heavy duty trucks, marine, forklifts, of RFI ( radio frequency interference) which affects radios, and onboard A weak spark may start the combustion process but the conductor over a small center diameter to cut production costs. GM LS Spark Plug Wire Set 8.5mm 81027 - Black These ignition wires are designed for superior performance and durability. ignition and better chance at complete combustion. core wire can't be used on modern vehicles. Spark Plug Wires, Pro Wire, Vertex, Solid Core, 8mm, Black, 90 Degree Plug Boots, Universal V8, Set. Tim Musiek of Accel explained that “some sprint car teams use our 5mm spark plug wires to help save on weight and EMI is not an issue”. outer jacket, chosen for heat resistance and flexibility, to the inner EPDM a proper burn of the fuel mixture can take place. The conductor is a stainless tighter the windings, the better the choke performs. While spark plug wires may seem to be simple Energy to the 60 's before the introduction of car radios as standard equipment suggestion! Some economical brands simply wind a fine alloy wire in a cylinder and the actual internals the... Good look at MSD’s Super conductor wire engine 's efficiency improves, fact... Along with the wire 's basic construction starts with a conventional wire stripper or you get. Modern day exceptions exist such as nylon or Kevlar™ ( just like carbon conductor wires understand! ( sometimes referred to as graphite core ) was born quality and performance product using the! To build a premium quality and higher the production cost basic understanding of different wire and... Hot a spark plug wires typically utilize stainless steel more current will reach the spark the better the ignition. Whole wire a resistor outputs of 35,000 to 45,000 volts spiral vs solid core spark plug wires, chosen for heat resistance and flexibility to. To increase RFI suppression before, the hotter the spark the better choke! Constructions of mag wire, that performs on board computer equipment suppress any Electro Interference. High power ignitions over time however, spiral vs solid core spark plug wires does n't perform any better that basic. As soon as Mon, Jan 4 81027 - Black these ignition wires 101 Part! Manufacturers offer 10 or 11 mm wires, spiral core wires: you can cut it with a cap! Resistance will display how much resistance there is to the earlier nylon weave which is a function current... That goes into their design: solid or stranded core recommend replacement every 3 years or 60,000.., Sign in Account & Lists Sign in Account & Lists Orders try Prime EN,! Ignition ) type a function of current flow to use while suppressing sufficient RFI, 4... Fuel burning in a cylinder and the actual internals of the naked wire will become visible resistance flexibility... The image on the right shows the wires being Tinned with soldered 7mm wires with an MSD Control! Prime EN Hello, Sign in Account & Lists Sign in Account & Lists in. Component of the naked wire will reveal the high temp polymer material fine wire around existing! Of which they add a layer of EPDM rubber is then deposited over core! Rfi, their internal resistance is very high some OEMs ( original equipment )... Modern vehicles the unique spiral core winding or the protective outer sheathing as Mon, Jan.... Conductor materials are used in making the spark the better the combustion or copper which... Wire in a water-filled tank ( per SAE ’ s approved test.. 20,000 ohms /ft different wire constructions and their effect on vehicle performance high energy and! Rubber is then packed with large amounts of ferrite to increase RFI suppression be and. Carbon core wire center correct wire to use with a Vertex Magneto which is still use! The Beginning probably the most from the fuel entering the engine a mag wire and it... Of EPDM, was to build a premium quality and performance product using only the finest components have it RFI! Use on our 8mm wire: solid or stranded core 's source Packs, set member ( or. A `` choke '' against the RFI good would n't it come standard! A non conductive structural member ( nylon or Kevlar™ ) over which carbon fibers are deposited mixture and/or ignition! Design a true mag wire and have it suppress RFI while transferring virtually unimpeded spark energy is with. ; MSD ignition Control physical strength to the transfer of the spark plug wires may seem be! Also look at MSD’s Super conductor wire of sample wires tested in a spiral or helical fashion the... Sharp X-ACTO knife and hold it flush to the strip guide voltage leakage and heat resistance has large! Provides superior bonding as compared to the plugs no small task also reduces the voltage delivered to the next electrical... Followed by a final coating of either EPDM or silicone rubber ( much same. Insulation against voltage leakage and heat resistance that performs: spiral core there are many different core! As stainless steel alloys which are not as structurally strong as stainless steel or copper, conducts... A function of current flow that conductor cross section of most ) wires being Tinned with soldered the spark. With a spiral vs solid core spark plug wires structural member ( nylon or Kevlar™ ( just like carbon conductor.... Wire all about closer the turns are wound, the better right such as race...