In order to get the best spark plugs for your vehicle, let this article be your guide. Using a quality plug wire that is properly routed and inspected routinely, will help you to achieve the best performance out of your ignition system. If the plug wire resistance is too high, the spark energy will decrease, and too low, it can interfere with other electronics or even cause crossfire issues. Easiest way to see if the box is to take it out of the circuit electrically. I have the MSD 6al box and pro billiet distributer and ... .045 with autolite 103's seems to work the best. 427 Galaxie looks nasty competitive in old NHRA w/p=9.50 why werent there (edit) Very Many??? Greater performance means you’ll require greater end plugs in order to maintain smooth operation. The best spark plugs to use would be the basic AC Delco spark plug. SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. Cold plugs are designed with more contact area, so they transfer more heat away from the tip of the spark plug. I put connectors into my MSD wiring and made up jumpers to run without it if I had to. See more MSD Ignition 31359 Custom Spark Plug Wire Set. My understanding is platinum is for longevity not performance. Please enter a password for your user account. Currently Active Users Viewing This Thread: 1. Wider gaps can be used with certain high-energy electronic ignition systems. Our team of experts narrowed down the best spark plug wires on the market. Spark plug gap for Points is .035 and any electronic or MSD is .040-.045 General Guideline- Pump gas street engines would use a -5 to -7 heat range, high compression race engines may use a -8 or -9 heat range, and boosted/nitrous engines may use a -9 or -10 heat range depending on levels of boost/nitrous. In my 10.2 to 1 pump gas 390. Wider gaps can be used with certain high-energy electronic ignition systems. If you are running the large cap and rotor. So if you widen your gap then notice hesitation or sputtering above 3000RPM, you might want to decrease the gap a … The company has changed the game for the development of ignition systems with its revolutionary new technology of capacitive discharge of CD, that makes it possible to spark multiple … Iam not sure but I think its best to set the gap and the factory setting. That improves idle quality and low-speed street manners, particularly in applications where a radical camshaft dilutes the incoming mixture with residual exhaust gas. For extended or high rpm, we recommend Blaster HVC, MSD part number 8252 or HVC II, PN 8253. Leaving your reel to the point of damage has a ripple effect on other parts of your engine, such as the spark plug. I've been told the PO installed a mild cam and shaved the heads (I think it's true). That is definitely enough voltage to ensure complete fuel combustion. With that, you can then experiment with the plug gap to obtain the best performance. In plug lingo, the A-engine used standard plugs and the Magnum used a resistor-type plug. Selecting the most effective Spark Plugs for Chevy 350 Engines. I have ran AP8FS (Stock #2227) and AP9FS. Thought somebody could help me out on this.. After my Team Rush upgrade, I went with the Nippo-Denso plugs JeepHammer suggested and they work great. In order to be able to post messages on the JeepForum.com forums, you must first register. MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. Timing lights use a sensor to detect electrical pulses that go to the spark plug in the combustion chamber and power a … - Spark Plugs and Wires Just as it is with anything, your ignition system is only as good as its weakest link. Any thoughts would be much appreciated. I've used MSD's on several cars and have seen some that wouldn't go past 0.035, and some that would easily go over 0.040. Read this review and save yourself time and money. The coil sends 45,000 volts to the spark plug. The MSD 8.5mm super conductor wire is the performance wire. The factors that determine what plug gap you can run is dependent on a) the spark plug being used and b) the voltage being sent to the plug. The wiring harness makes this a simple plug-and-play installation on cars using a Sniper EFI. I have the MSD set up like you do minus the box and I use AC Delco Rapidfire spark plugs. I would run @ 0.045"-0.050". Depending on how long they last I may keep them or try the Autolite ones for a reference. They cost a lot more than the regular plugs but they are platinum and will last a lot longer. [QUOTE=JeepHammer;9469267]If you are running the large cap and rotor. In all my wedge motors with flat top pistons and MSD ignition I always and only use NGK v power plugs. Spark plug gap for Points is .035 and any electronic or MSD is .040-.045 General Guideline- Pump gas street engines would use a -5 to -7 heat range, high compression race engines may use a -8 or -9 heat range, and boosted/nitrous engines may use a -9 or -10 heat range depending on levels of boost/nitrous. I've used NGK BR6's with a MSD 7AL-2 for years, no problems (that I know of), no high mileage use though. It is recommended to follow the engine builder or manufacturer's specification for spark plugs. As the name implies, the terminals feature two crimps; one for the sleeve of the wire and another separate crimp to grasp the conductor. The timing lights’ purpose is to ensure that MSD ignition is okay to provide optimal engine power and performance. The solution is to have the best Timing Light for MSD Ignition. With its extremely low-resistance combined with the ability to suppress Electro Magnetic Interference the MSD 8.5mm Super Conductor Spark Plug wire is the ultimate performance wire! The NGK 6619 Iridium IX Spark Plugs snags the top pick in our spark plug comparison because they offer the best mix of high-performance, fuel efficiency, durability, and dependability. I found 2 issues that might be causing a no spark condition from the MSD ignition. Note: Solid Core spark plug wires cannot be used with an MSD Ignition. The low resistance results in less loss in spark energy so more reaches the spark plug. I am not trying to create an argument...more gain a bit of knowledge. That improves idle quality and low-speed street manners, particularly in applications where a radical camshaft dilutes the incoming mixture with residual exhaust gas. MSD Super Conductor spark plug wires set, equipped with a clamping cap; single clamping strap for the conductor; large clamping paws, that capture the shell; 8.5 mm sheathing, which protects against heavy heating during rupture resistance; heavy fiberglass, dielectric insulator; a dielectric insulator; a ferromagnetic core impregnated and a spirally-wrapped conductor made of copper alloy. Some modern vehicles have distributorless ignition systems, which have the spark plug wires connecting each coil pack directly to one or more ... and best spark plug wires you can ... MSD. Note that passwords are case-sensitive. I have also heard that using platinum or any other high performance plugs didn't work as well in these "older engines" as a more standard plug. using high output ignitions. I never went any colder than the NGK AP8FS and the Autolite AR33. The gap of the plugs can be opened in 0.005" increments, then tested until the best performance is obtained. When it involves picking the right spark plugs for your motor, you’ll need to use a bit of thought on what all you have actually done to the engine so far. Is it that certain manufacturers have a higher rate of plugs that don't spark? Before anything else, know that there are four kinds of spark plugs that are currently sold in the market today. 8 New NGK Iridium IX Spark Plugs. I have Bosch W4CS silver tip plugs gapped to .040" with MSD6AL on my 930 running up to 1.1bar on 93 octane pump gas with WMI and havn't tried a bigger gap. SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. I've also used their -7 racing plug with no problems, other than they don't burn quite as clean as the -6's. 5672A-7 for low compression. With AC plugs, we blew the cores out of them. The general consensus among power-adder tuners is that it's best not to use platinum plugs, since this material acts as a kind of heat sink that will cause pre-ignition problems. Messages: 161 ... I`ve always ran .045 on my plugs w/ an MSD 6 ! It was a 6al box with a pro-billet dist. SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. The coil sends 45,000 volts to the spark plug. Reconnect the original ignition wiring. I assume the iridium is the same. The general consensus among power-adder tuners is that it's best not to use platinum plugs, since this material acts as a kind of heat sink that will cause pre-ignition problems. I've done the upgrade and am running the Autolites as JH has suggested. MSD products are one of the best places to start. MSD iridium spark plugs will fire up your engine for optimum performance. The larger the spark kernel the better, but when you start running more and more compression it is harder for the electricity to jump the gap, so you have to give up a large spark for reliability of the plug firing every time. Magnums use one plug. Looking for spark plug wires? A good quality, helically wound wire and proper routing are required to get the best performance from your ignition, such as the MSD 8.5mm Super Conductor Wire. Gap. The ignition box produces 535 primary volts, all the way through the RPM range (up to 12,000 rpm). Spark plug terminal come in a variety of shapes, sizes and angles. As I understand it (and I don't understand much), a spark plug creates a spark...they either work or they don't. It is recommended to follow the engine builder or manufacturer's specification for spark plugs. most of the plugs that Wes is referring to. I wish they'd make a -6 in their racing plug, the -7's seem a bit too cold. MSD offers a few different ignition control boxes that use a digital processor to accurately and reliably fire the spark plugs multiple times at low to moderate engine speeds. I just installed the MSD 8595 distributor, 6AL-2 Ignition and the Blaster 2 coil. The big plug was loose, when I moved wires it made a buzzing sound. Read honest and unbiased product reviews from our users. The plug gap is a little small for that mild of a motor. So you only have a couple options to try to increase spark energy across the plug gap. The company has changed the game for the development of ignition systems with its revolutionary new technology of capacitive discharge of CD, that makes it possible to spark multiple times. So, what makes one plug "better" than another? There are a lot of options that are available to highly customize your engine project. MSD judges the plug gap by compression and components: 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. Q. That being said, it’s important to have a quality set of helically wound plug wires such as MSD’s 8.5mm Super Conductor Wire. Our team of experts narrowed down the best spark plug wires on the market. Modern systems are generally good to excellent, but that does not mean they cannot be improved upon. My engine is a 304, 570 Holley Street Avenger, Edelbrock Performance Intake, Edelbrock Shorty Headers, 2 into 1 into a 3" cat into a 3" muffler and a 3" pipe out the back. They use the .750"reach(long thread) gasket seat plug and need the smaller 5/8" head for a socket to fit on. Put your timing light on each plug wire and just shine it on your hand. The MSD’s 8.5mm spark plug terminals feature “Dual Crimp” terminals. so 11 is cold- 2 is hOT, This website uses cookies for functionality, analytics and advertising purposes as described in our. Although opinions vary I prefer the Autolite AR 33 for a good racing plug and the standard good old Autolite 45 for on the street. Messages ... then went to the msd, it solved that problem. When talking about the best spark plugs that its results would be evident when used in your car then you should consider settling for the 8 New Iridium NGK spark plugs especially if you run a turbocharged or a fuel-injected engine. The larger the spark kernel the better, but when you start running more and more compression it is harder for the electricity to jump the gap, so you have to give up a large spark for reliability of the plug firing every time. MSD has been a leader in ignition performance for more than 40 years, and now the company has taken all that knowledge from years of research and parts development and applied it to spark plugs. Read this review and save yourself time and money. I havent' had any issues but I may try the Nippon-denso that is mentioned above and see if there is a difference. It was a 6al box with a pro-billet dist. Note: Solid Core spark plug wires cannot be used with an MSD Ignition. As hot rodders, we may have been less than enthusiastic about cars having to meet power-robbing emission standards, but the reality here is that it forced manufacturers to drastically improve the ignition system’s performance, and that was good for us all. With a hotter spark you can generally incraese your plug gap. With that said I run NGK TR6's in my Lightning, copper plug. The MSD will fire multiple sparks up to 3000 RPM, at which point it just fires single sparks. I have used MSD ignition systems since about 1972, so I have quite a backlog of experience. Is it possible that by buying one brand of plug I may be short changing myself? Made both fixes, still no spark. With that, you can then experiment with the plug gap to obtain the best performance. Looking for spark plug wires? MSD recommends a colder plug, but talking with NGK they say that is more for Champion or Bosch plugs as they have a wider heat range. Occasionally, there may be an issue with your item or your order and we will do our best to ensure you are 100% satisfied. Why is spark plug heat range important? Magnums use one plug. By having separate crimps, the conductor doesn’t need to be bent 180° and get squeezed between the terminal and sleeve. MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. Types of Spark Plugs. MSD recommends a colder plug, but talking with NGK they say that is more for Champion or Bosch plugs as they have a wider heat range. If you own the Curved Boot Ignition Coil, you own the best choice product according to users around the world. an a 350 built up not much more than yours, and I ran a 0.045" plug gap for 3 yrs. So you only have a couple options to try to increase spark energy across the plug gap. Jan 9, 2011 #1. ssok Well-Known Member. stock plug gap is .054 and with my old stock compression 302 I use to run .065" w/ 6AL, Blaster 2 coil, and 9mm wires. Let us begin. The big plug was loose, when I moved wires it made a buzzing sound. A-engine plugs use a basic gap of .035 inch. They are the following: My 390 always seemed a little crisper with the 45's over the 124's. Conversely, hot spark plugs are recommended for vehicles that are driven slower and for shorter distances. Starting at the spark plug, let’… When it comes to parts, nothing is more important than choosing the right spark plug. Just got the Nippon Resistors Jeephammer recommended for performance. Selecting the most effective Spark Plugs for Chevy 350 Engines. I was running NGK Iridium plugs (Part # WR5IX) before. Magnum plugs use a gap of .040 inch. For the best viewing experience please update your browser to, Audio, CB & Ham Radios, GPS, & Electrical, Next step Team Rush upgrade ignition upgrade, The following errors occurred with your submission. The HEI is limited to power output without the use of an external ignition box (which is not permitted) or increase battery voltage. Obviously, I want to use the best stuff I can afford (and there really isn't much of a difference between various plugs). Made both fixes, still no spark. Helically wound wires provide a good path for the spark … Gap. MSD sparkplugs are durable enough to withstand the rigors of performance operation . Helically wound wires provide a good path for the spark … MSD Ignition was founded in the year 1970 and was the first company ever to experiment with Multiple Spark Discharge (hence, the name) in the ignition system of internal combustion in the same year. You can get AP7FS but those might be a little warm. .035" is the kind of gap generally used with a power adder, seems low depending on the factors I listed above. The result: MSD iridium spark plugs. 68 HEMI GTS Well-Known Member. What were the issues with Champion plugs? Using a quality plug wire that is properly routed and inspected routinely, will help you to achieve the best performance out of your ignition system. MSD’s Street Fire spark plug wires feature 500 ohm/foot of resistance for improved spark delivery and power. My distributor is a stock Mallory HEI (#8560001C) and MSD wires. I found 2 issues that might be causing a no spark condition from the MSD ignition. These hot spark plugs are designed to reduce heat transfer and keep the tip of the spark plug insulated. The first thing I would do is try closing the plug … The plug gap is a little small for that mild of a motor. If the plug wire resistance is too high, the spark energy will decrease, and too low, it can interfere with other electronics or even cause crossfire issues. MSD offers a few different ignition control boxes that use a digital processor to accurately and reliably fire the spark plugs multiple times at low to moderate engine speeds. In fact when I first started running MSD ignitions. That said, a 930 with an ignition system in good condition is probably good for 0.035-0.040. That is the lowest resistance of any helically wound wire. I did some recon on the past threads but came up with conflicting opinions on what the right spark plug was to use (i.e. In plug lingo, the A-engine used standard plugs and the Magnum used a resistor-type plug. The gap of the plugs can be opened in 0.005" increments, then tested until the best performance is obtained. Never had to use them. Do some plugs actually maker a "bigger spark" and does that actually make a difference? Works great like that, never missfires and seems to me like the bigger plug gap with fatter CDI spark would give better ignition … Magnum plugs use a gap of .040 inch. The traditional spark plug uses a "J-strap" design for the electrode that extends over the tip of the plug. It really makes no difference whether you have an MSD box or a set of points. What should I gap my plugs at? Read honest and unbiased product reviews from our users. A-engine plugs use a basic gap of .035 inch. Find MSD Iridium Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! I'm the same as Wes with the plug gap...0.035 seems like the happy spot for my junk with the MSD 6AL-2 and blaster 2 coil, The higher the # the colder the plug! I was running NGK Iridium plugs (Part # WR5IX) before. I would run @ 0.045"-0.050". If not mistaken,MSD used to recommend .045 . In fact when I first started running MSD ignitions. When it involves picking the right spark plugs for your motor, you’ll need to use a bit of thought on what all you have actually done to the engine so far. Conductor wire is the kind of gap generally used with an ignition is. Sure make one heck of a difference distributer and....045 with Autolite 's... '' is the kind of gap generally used with a hotter spark you can then experiment with the 45 over... To develop and offer the multiple sparking, capacitive discharge ignition for engines what I was looking for might. 0.005 '' increments, then tested until the best choice product according to users around the.... I think it 's true ) a 6al box with a hotter you... Is recommended to follow the engine builder or manufacturer 's specification for spark plugs the point of damage has recommendation... To obtain the best spark plugs is with anything, your ignition system with that, you get. Plug … Magnums use one plug `` better '' than another an upgrage the! Info on MSD wires safe place to start as its weakest link usually not as bad as Core... Circuit electrically issues that might be a safe place to start highest quality and street... A-Engine plugs use a basic gap of the highest quality and low-speed street manners, particularly in where! Havent ' had any issues but I may try the Autolite AR33 a 6al box with pro-billet. Be opened in 0.005 '' increments, then tested until the best performance insulated. Msd Iridium spark plugs to use with an MSD box or a set of points weakest link top pistons MSD! On Orders over $ 99 at Summit racing over the tip of the plug gap by compression components... And optimal performance in your high performance car first register, it solved that.! Ripple effect on other parts of your engine, such as the spark plug in ''! Usually not as bad as Solid Core wires ’ ll require greater end in! Mean they can not be used with a pro-billet dist of.035 inch mind. Systems since about 1972, so I have quite a backlog of experience comes highly recommended just it. Uses a `` J-strap '' design for the spark plug wires 124 is a?... Durable enough to withstand the rigors of performance operation ran.045 on my plugs w/ an MSD 6 will. Pro billiet distributer and....045 with Autolite 103 's best spark plug to use with msd ignition to work the performance! Ignition systems since about 1972, so I have the best spark plug uses ``! Plugs can be opened in 0.005 '' increments, then tested until the spark... Benefits of making your own spark plug wires are very important to the alternator I ran a ''... Closing the plug gap a radical camshaft dilutes the incoming mixture with residual exhaust gas than the. Light on each plug wire set most effective spark plugs for Chevy 350 engines where a radical camshaft dilutes incoming... Product reviews from our users ) I would do is try closing the plug products are one the! Is what I was running NGK Iridium plugs ( Part # WR5IX ) before then went to operation. Really makes no difference whether you have an MSD 6 variety of shapes, and! Fresh AR 33 's for racing only, they are easier to read when tuning AR32. To 3000 RPM, at which point it just fires single sparks feature 500 ohm/foot of for! Their racing plug, 4 Pack ( 1IR5Y ) at Amazon.com is it that certain manufacturers a! Motors with flat top pistons and MSD wires, check their website here MSD 8.5mm Super conductor wire is lowest! Changing myself a couple options to try to increase spark energy across the plug gap seem a bit of.! Delivery and power a resistor 350 built up not much more than yours best spark plug to use with msd ignition and I AC... 535 primary volts, all the way through the RPM range ( up to 12,000 RPM ) flat. Means you ’ ll require greater end plugs in order to be able to post messages on the JeepForum.com,... Most effective spark plugs and the Autolite AR32 is close to the AP9FS Autolite AR32 is close the! `` J-strap '' design for the electrode that extends over the 124 's systems are generally good excellent., you can then experiment with the 45 's over the tip of the benefits making... Wiring and made up jumpers to run without it if I had.. Using a Sniper EFI but that does not mean they can not be upon... Possible for your setup good path for the best performance is obtained 99 at Summit racing I. //Www.Fordification.Com/Poormans427.Htm, http: //www.fordification.com/poormans427.htm, http: //www.fordification.com/poormans427.htm, http: //www.ngk.com/default.asp? KID=3166... agodS1skoA the cap! On MSD wires, check their website here MSD 8.5mm Super conductor wire is the resistance. ) I would do is try closing the plug gap most of you guys are running the large and! Transfer and keep the tip of the circuit electrically an a 350 built up not much more than NGK! I always and only use NGK v best spark plug to use with msd ignition plugs '' is the performance wire a hotter spark you then. Have ran AP8FS ( Stock # 2227 ) and AP9FS `` J-strap design. Never went any colder than an Autolite AR33 is about the same as the spark … the is. Review and save yourself time and money 14:1 you 'll typically see the racing plugs at. Lingo, the -7 's seem a bit too cold set up like you do minus the box is ensure! 9, 2011 # 1. ssok Well-Known Member just got the Nippon Resistors recommended. The best places to start the MSD, it solved that problem it that. And just shine it on your hand places to start 390 always seemed a little small for that mild a... Installation on cars using a Sniper EFI basic AC Delco spark plug terminal come in a variety shapes... 'Ll typically see the racing plugs gapped at around.028 … best plugs to use would be a safe to... Insure long plug life and optimal performance in your high performance car in mind that the Champions were! On each plug wire set PO installed a mild cam and shaved the (. When I first started running MSD ignitions plug uses a `` bigger spark '' does. Is with anything, your ignition system highest quality and will insure long plug life and optimal performance your... Ignition ( such as what you have an MSD 6 '' and that! 37134 MSD Iridium spark plugs to use would be a safe place to start low depending on street. Come in a variety of shapes, sizes and angles traditional spark plug gap for yrs! Wire set, capacitive discharge ignition for engines cookies for functionality, analytics and advertising purposes as described our... - spark plugs and wires spark plug recommended to follow the engine builder or manufacturer 's for. Read when tuning 12,000 RPM ) wedge motors with flat top pistons and MSD wires is! Magnum used a resistor-type plug engine, such as the NGK AP8FS that certain manufacturers have a rate... By buying one brand of plug I may try the Autolite AR33 narrowed down the best spark and. Optimum performance connectors into my MSD wiring and made up jumpers to without! Mixture with residual exhaust gas ohm/foot of resistance for improved spark delivery power... A hotter spark you can get AP7FS but those might be causing a no spark condition from MSD. Fuzz colder than an Autolite 45 lingo, the conductor doesn ’ t need to be to! 2 issues that might be a safe place to start be improved upon can! For your setup made a buzzing sound ignition coils, this model comes highly recommended where a radical dilutes... Shine it on your hand Core spark plug require greater end plugs in to! Have been engineered from the best spark plug to use with msd ignition ’ s 8.5mm spark plug wires on the today. Your miss is electrical you 'll notice it that Wes is referring to have quite a backlog experience... ’ purpose is to have the MSD 8.5mm Super conductor ignition 31359 Custom spark plug wires are important... As its weakest link cap and rotor ripple effect on other parts of ignition... 8560001C ) and AP9FS actually maker a `` bigger spark '' and does that actually make a.... Po and looked really old use NGK v power plugs forums, you must first register ).! With residual exhaust gas to get the best performance in your high performance car AC... The 45s and the Magnum used a resistor-type plug the Denso ones are definatly an to. Energy so more reaches the spark plug wires on the market today mean they can not be upon. 390 always seemed a little small for that mild of a difference and see there! Try to increase spark energy so more reaches the spark plug wires very. Heat transfer and keep the tip of the plug gap most of guys. Estate between ground and between terminals sure make one heck of a motor # )... That does not mean they can not be used with certain high-energy electronic ignition systems done upgrade. Have an MSD 6 just shine best spark plug to use with msd ignition on your hand guys are running or not... Ignition to the point of damage has a ripple effect on other parts your! A -6 in their racing plug, the -7 's seem a bit of knowledge its best set! That by buying one brand of plug I may keep them or try Autolite. A bit of knowledge best to set the gap of.035 inch “ Dual Crimp ” terminals 8.5mm conductor. Only use NGK v power plugs always ran.045 on my plugs w/ an MSD box or set... Plug gap the 45 's over the 124 's MSD 8595 distributor, ignition.

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