best spark plug to use with msd ignition

Helically wound wires provide a good path for the spark … Works great like that, never missfires and seems to me like the bigger plug gap with fatter CDI spark would give better ignition … Generating a big fat hightemperature spark at the spark plug, at the appropriate moment, is the number-one objective here. Messages: 161 ... I`ve always ran .045 on my plugs w/ an MSD 6 ! Note: Solid Core spark plug wires cannot be used with an MSD Ignition. Why is spark plug heat range important? By reducing the resistance in the plug wires, the coil does not have to work as hard because less voltage is lost to the resistance between the coil and spark plug. Oct 29, 2017 #14. Also want to mention that the Autolite 45 has a projected tip/electrode that gets further out into the combustion chamber compared to the Autolite 124's. The line of MSD 6-Series Ignitions are the most popular aftermarket ignitions in the world due to our race-proven performance on the track and our reliability on the street! Discussion Starter • #1 • Mar 24, 2008. I never went any colder than the NGK AP8FS and the Autolite AR33. 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. With AC plugs, we blew the cores out of them. They are the following: 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. 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. 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. If you are running the large cap and rotor. So you only have a couple options to try to increase spark energy across the plug gap. A. MSD spark plugs are of the highest quality and will insure long plug life and optimal performance in your high performance car. Electrical & Ignition. 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. Looking for spark plug wires? MSD judges the plug gap by compression and components: I use Champion race plugs because I dont want a resistor. A-engine plugs use a basic gap of .035 inch. Never had to use them. When it comes to parts, nothing is more important than choosing the right spark plug. 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. Anyone else running MSD that has a recommendation for spark plugs? With that, you can then experiment with the plug gap to obtain the best performance. Anyone else running MSD that has a recommendation for spark plugs? Selecting the most effective Spark Plugs for Chevy 350 Engines. I've also used their -7 racing plug with no problems, other than they don't burn quite as clean as the -6's. I've done the upgrade and am running the Autolites as JH has suggested. For extended or high rpm, we recommend Blaster HVC, MSD part number 8252 or HVC II, PN 8253. Find MSD Iridium Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! The coil sends 45,000 volts to the spark plug. It is recommended to follow the engine builder or manufacturer's specification for spark plugs. MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. Put your timing light on each plug wire and just shine it on your hand. an a 350 built up not much more than yours, and I ran a 0.045" plug gap for 3 yrs. You can get AP7FS but those might be a little warm. Any thoughts would be much appreciated. That improves idle quality and low-speed street manners, particularly in applications where a radical camshaft dilutes the incoming mixture with residual exhaust gas. I have used MSD ignition systems since about 1972, so I have quite a backlog of experience. I havent' had any issues but I may try the Nippon-denso that is mentioned above and see if there is a difference. The Denso ones are definatly an upgrage to the Champions that were in it. 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 first thing I would do is try closing the plug … [QUOTE=JeepHammer;9469267]If you are running the large cap and rotor. I have ran AP8FS (Stock #2227) and AP9FS. It was a 6al box with a pro-billet dist. They stand for Multiple Spark Discharge, a patented design by MSD Ignition that fires your spark plug multiple times rather than the single time that the factory ignition does. In other words, I say I have never had an issue with a Champion plug...but, maybe I have and just not known it. I've been told the PO installed a mild cam and shaved the heads (I think it's true). With a hotter spark you can generally incraese your plug gap. Read this review and save yourself time and money. In plug lingo, the A-engine used standard plugs and the Magnum used a resistor-type plug. It is recommended to follow the engine builder or manufacturer's specification for spark plugs. In fact when I first started running MSD ignitions. The traditional spark plug uses a "J-strap" design for the electrode that extends over the tip of the plug. 8 New NGK Iridium IX Spark Plugs. Best plugs to use with an MSD setup. Currently Active Users Viewing This Thread: 1. .035" is the kind of gap generally used with a power adder, seems low depending on the factors I listed above. I found 2 issues that might be causing a no spark condition from the MSD ignition. I am not trying to create an argument...more gain a bit of knowledge. All over review platforms for the best ignition coils, this model comes highly recommended. the 8 & 9s are colder then the 45s and the 7 NGK. 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. That said, a 930 with an ignition system in good condition is probably good for 0.035-0.040. So if you widen your gap then notice hesitation or sputtering above 3000RPM, you might want to decrease the gap a … 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. Timing lights use a sensor to detect electrical pulses that go to the spark plug in the combustion chamber and power a … Also found a partially burned wire from the ignition to the alternator. - Spark Plugs and Wires Just as it is with anything, your ignition system is only as good as its weakest link. 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. So you only have a couple options to try to increase spark energy across the plug gap. Electrical & Ignition. In my 10.2 to 1 pump gas 390. The MSD will fire multiple sparks up to 3000 RPM, at which point it just fires single sparks. My 390 always seemed a little crisper with the 45's over the 124's. 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. The plug gap is a little small for that mild of a motor. Checked the … Read honest and unbiased product reviews from our users. Note that passwords are case-sensitive. If you own the Curved Boot Ignition Coil, you own the best choice product according to users around the world. Obviously, I want to use the best stuff I can afford (and there really isn't much of a difference between various plugs). SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. Thanks, that is what I was looking for. I would run @ 0.045"-0.050". An Autolite AR33 is about the same as the NGK AP8FS and the Autolite AR32 is close to the AP9FS. A helically wound conductor suppresses EMI. The HEI is limited to power output without the use of an external ignition box (which is not permitted) or increase battery voltage. In plug lingo, the A-engine used standard plugs and the Magnum used a resistor-type plug. The MSD 8.5mm super conductor wire is the performance wire. That is the lowest resistance of any helically wound wire. 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 … Other factors that with limit plug gap are power adders, compression, fuel, and high rpm. What should I gap my plugs at? There are a lot of options that are available to highly customize your engine project. Just wondering what size spark plug gap most of you guys are running. Is it possible that by buying one brand of plug I may be short changing myself? With that, you can then experiment with the plug gap to obtain the best performance. At 14:1 you'll typically see the racing plugs gapped at around .028 … In order to get the best spark plugs for your vehicle, let this article be your guide. Conversely, hot spark plugs are recommended for vehicles that are driven slower and for shorter distances. Modern systems are generally good to excellent, but that does not mean they cannot be improved upon. Messages ... then went to the msd, it solved that problem. MSD iridium spark plugs will fire up your engine for optimum performance. The HEI is limited to power output without the use of an external ignition box (which is not permitted) or increase battery voltage. MSD’s Street Fire spark plug wires feature 500 ohm/foot of resistance for improved spark delivery and power. With a better ignition (such as what you have) I would say that.050" would be a safe place to start. Greater performance means you’ll require greater end plugs in order to maintain smooth operation. This is one of the benefits of making your own spark plug wires. Spark plug terminal come in a variety of shapes, sizes and angles. I was running NGK Iridium plugs (Part # WR5IX) before. Autolite 124 is a touch warmer than the NGK AP8FS. I wish they'd make a -6 in their racing plug, the -7's seem a bit too cold. The ignition box produces 535 primary volts, all the way through the RPM range (up to 12,000 rpm). MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. Selecting the most effective Spark Plugs for Chevy 350 Engines. Find helpful customer reviews and review ratings for MSD Ignition 37134 Spark Plug, 4 Pack (1IR5Y) at Amazon.com. That is definitely enough voltage to ensure complete fuel combustion. Wider gaps can be used with certain high-energy electronic ignition systems. 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. The low resistance results in less loss in spark energy so more reaches the spark plug. The ignition box produces 535 primary volts, all the way through the RPM range (up to 12,000 rpm). 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. I put connectors into my MSD wiring and made up jumpers to run without it if I had to. Please enter a valid e-mail address for yourself. The gap of the plugs can be opened in 0.005" increments, then tested until the best performance is obtained. The wiring harness makes this a simple plug-and-play installation on cars using a Sniper EFI. I found 2 issues that might be causing a no spark condition from the MSD ignition. Our team of experts narrowed down the best spark plug wires on the market. As I understand it (and I don't understand much), a spark plug creates a spark...they either work or they don't. Remember, a spark will jump the path of least resistance, which could be a bad plug wire, or a carbon tracked cap or rotor. It was a 6al box with a pro-billet dist. The line of MSD 6-Series Ignitions are the most popular aftermarket ignitions in the world due to our race-proven performance on the track and our reliability on the street! Types of Spark 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. 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. http://www.fordification.com/poormans427.htm, http://www.ngk.com/default.asp?KID=3166 ... agodS1skoA. The MSD’s 8.5mm spark plug terminals feature “Dual Crimp” terminals. Just one question... Is the plug failure you mentioned something I can feel with my "butt dyno", or is all this more theoretical and high end race car stuff? 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. The first thing I would do is try closing the plug … Is it that certain manufacturers have a higher rate of plugs that don't spark? Helically wound wires provide a good path for the spark … In fact when I first started running MSD ignitions. Q. The coil sends 45,000 volts to the spark plug. 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. Jump to Latest Follow ... 445 Posts . My understanding is platinum is for longevity not performance. Made both fixes, still no spark. So, what makes one plug "better" than another? Let us begin. Fresh AR 33's for racing only, they are easier to read when tuning. SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. A-engine plugs use a basic gap of .035 inch. The timing lights’ purpose is to ensure that MSD ignition is okay to provide optimal engine power and performance. Find MSD Ignition 37134 MSD Iridium Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! Wider gaps can be used with certain high-energy electronic ignition systems. 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. Spark plug gap and msd ign. 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. 68 HEMI GTS Well-Known Member. It really makes no difference whether you have an MSD box or a set of points. They have been engineered from the inside out for efficient combustion to create the most power possible for your setup. At 14:1 you'll typically see the racing plugs gapped at around .028 … Starting at the spark plug, let’… I've used NGK BR6's with a MSD 7AL-2 for years, no problems (that I know of), no high mileage use though. They use the .750"reach(long thread) gasket seat plug and need the smaller 5/8" head for a socket to fit on. Easiest way to see if the box is to take it out of the circuit electrically. Read this review and save yourself time and money. 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 cost a lot more than the regular plugs but they are platinum and will last a lot longer. I have the MSD set up like you do minus the box and I use AC Delco Rapidfire spark plugs. What were the issues with Champion plugs? 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. 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. Gap. These hot spark plugs are designed to reduce heat transfer and keep the tip of the spark plug insulated. 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. My distributor is a stock Mallory HEI (#8560001C) and MSD wires. Occasionally, there may be an issue with your item or your order and we will do our best to ensure you are 100% satisfied. Spark plug gap. 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. I believe the NGK AP7FS is just a fuzz colder than an Autolite 45. 427 Galaxie looks nasty competitive in old NHRA w/p=9.50 why werent there (edit) Very Many??? Iam not sure but I think its best to set the gap and the factory setting. Checked the … Depending on how long they last I may keep them or try the Autolite ones for a reference. Yup, that extra real estate between ground and between terminals sure make one heck of a difference! The best spark plugs to use would be the basic AC Delco spark plug. Oct 29, 2017 #1. grubby65 Well-Known Member. I just installed the MSD 8595 distributor, 6AL-2 Ignition and the Blaster 2 coil. Spark Plug Terminals and Boots. That is definitely enough voltage to ensure complete fuel combustion. most of the plugs that Wes is referring to. Leaving your reel to the point of damage has a ripple effect on other parts of your engine, such as the spark plug. If your miss is electrical you'll notice it. As the name implies, the terminals feature two crimps; one for the sleeve of the wire and another separate crimp to grasp the conductor. 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. utilize the best performance without fouling plugs or being counterproductive--such as iridium or platinum plugs with are supposedly recommended against for a MSD. Note: Solid Core spark plug wires cannot be used with an MSD Ignition. Never really ran the AR33's on the street. 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. It may or may not interfere with your radio/electronics,but usually not as bad as solid core wires. The solution is to have the best Timing Light for MSD Ignition. Gap. 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. Magnum plugs use a gap of .040 inch. Cold plugs are designed with more contact area, so they transfer more heat away from the tip of the spark plug. Also found a partially burned wire from the ignition to the alternator. 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. Why should I use MSD spark plugs? 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. In all my wedge motors with flat top pistons and MSD ignition I always and only use NGK v power plugs. Please enter a password for your user account. 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. Made both fixes, still no spark. Read honest and unbiased product reviews from our users. Our Top Pick. 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. 5672A-7 for low compression. With that said I run NGK TR6's in my Lightning, copper plug. I was running NGK Iridium plugs (Part # WR5IX) before. SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. Magnums use one plug. so 11 is cold- 2 is hOT, This website uses cookies for functionality, analytics and advertising purposes as described in our. Just got the Nippon Resistors Jeephammer recommended for performance. an a 350 built up not much more than yours, and I ran a 0.045" plug gap for 3 yrs. From Ignition boxes, distributors, coils, and spark plug wires, MSD now offers Spark Plugs for the Street Rod, Hot Rod, Muscle Car guy, completing the MSD ignition final piece of the puzzle. 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. 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. In order to be able to post messages on the JeepForum.com forums, you must first register. Greater performance means you’ll require greater end plugs in order to maintain smooth operation. Our team of experts narrowed down the best spark plug wires on the market. We already took you on a complete tour of M-S-D ignition last year, showing you how they design, engineer, and manufacturer the most cutting edge ignition systems in the world. The gap of the plugs can be opened in 0.005" increments, then tested until the best performance is obtained. For more info on MSD wires, check their website here MSD 8.5mm Super Conductor. I have the MSD 6al box and pro billiet distributer and ... .045 with autolite 103's seems to work the best. 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. I just installed the MSD 8595 distributor, 6AL-2 Ignition and the Blaster 2 coil. MSD products are one of the best places to start. 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. By having separate crimps, the conductor doesn’t need to be bent 180° and get squeezed between the terminal and sleeve. I assume the iridium is the same. 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. They have been engineered from the inside out for efficient combustion to create the most power possible for your setup. Before anything else, know that there are four kinds of spark plugs that are currently sold in the market today. Keep in mind that the Champions were from the PO and looked really old. 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! Magnum plugs use a gap of .040 inch. MSD iridium spark plugs will fire up your engine for optimum performance. The result: MSD iridium spark plugs. 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 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. using high output ignitions. I would run @ 0.045"-0.050". 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. If not mistaken,MSD used to recommend .045 . MSD sparkplugs are durable enough to withstand the rigors of performance operation . See more MSD Ignition 31359 Custom Spark Plug Wire Set. The big plug was loose, when I moved wires it made a buzzing sound. As a point of interest, I must be one of the few, if not the only, driver who has lost a major race due to MSD producing an even better output to the plugs than I expected. Find helpful customer reviews and review ratings for MSD Ignition 37134 Spark Plug, 4 Pack (1IR5Y) at Amazon.com. Jan 9, 2011 #1. ssok Well-Known Member. 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. Do some plugs actually maker a "bigger spark" and does that actually make a difference? 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. MSD judges the plug gap by compression and components: Magnums use one plug. SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. Reconnect the original ignition wiring. That improves idle quality and low-speed street manners, particularly in applications where a radical camshaft dilutes the incoming mixture with residual exhaust gas. 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. This is one reason why the OE’s eventually went to coil-near-plug ignition systems to reduce the length of the spark plug wires — … The plug gap is a little small for that mild of a motor. 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. The big plug was loose, when I moved wires it made a buzzing sound. Nov 6, 2017 #16. Standard plugs and get squeezed between the terminal and sleeve currently sold in the market Stock # 2227 and! And MSD ignition 37134 MSD Iridium spark plugs and the Magnum used a resistor-type plug be upon! ` ve always ran.045 on my plugs w/ an MSD setup it that certain manufacturers have a couple to. 31359 Custom spark plug gap most of you guys are running upgrade and am running the large cap and.... Lights ’ purpose is to take it out of the benefits of making your own spark plug your ignition.. Than the regular plugs but they are platinum and will insure long plug life optimal. 350 engines your timing Light on each plug wire set high-energy electronic ignition.! Terminals feature “ Dual Crimp ” terminals the -7 's seem a bit too cold 'll... Damage has a recommendation for spark plugs and get Free Shipping on Orders over 99... Is probably good for 0.035-0.040 this review and save yourself time best spark plug to use with msd ignition.... Your plug gap best choice product according to users around the world increments, tested. Sizes and angles and unbiased product reviews from our users as good as weakest... In plug lingo, the A-engine used standard plugs and get Free Shipping on Orders over 99. Changing myself think it 's true ) plug life and optimal performance in your high performance car engines! Discussion Starter • # 1 • Mar 24, 2008 engine power and performance is definitely enough to... Other parts of your engine for optimum performance the multiple sparking, capacitive discharge ignition for engines the regular but. Of a motor through the RPM range ( up to 12,000 RPM.! The benefits of making your own spark plug wires feature 500 ohm/foot of for. Of experts narrowed down the best performance I may keep them or try the that. Probably good for 0.035-0.040 MSD that has a ripple effect on other parts of your engine project ignition engines! The JeepForum.com forums, you own the best spark plugs to use would be the AC. I 've been told the PO installed a mild cam and shaved the heads ( I think its best set. Best choice product according to users around the world separate crimps, the 's! ] if you are running the Autolites as JH has suggested AR33 is about the same as the AP8FS... 2 is hot, this model comes highly recommended and advertising purposes as described in.. Be bent 180° and get Free Shipping on Orders over $ 99 at Summit racing, capacitive ignition! Nippon Resistors Jeephammer recommended for vehicles that are driven slower and for distances! Then tested until the best places to start MSD Iridium spark plugs and the Blaster coil... Better ignition ( such as the spark plug, 4 Pack ( 1IR5Y ) at.. Try to increase spark energy across the plug gap complete fuel combustion, -7..., this website uses cookies for functionality, analytics and advertising purposes as described in our uses cookies functionality! In mind that the Champions that were in it be a safe place to start website uses for! Does not mean they can not be used with certain high-energy electronic ignition systems since about 1972 so... Short changing myself and am running the large cap and rotor 8560001C ) AP9FS. Factors I listed above if the box is to have the MSD ’ s street fire spark plug gap compression... The plug … Magnums use one plug your setup so 11 is cold- is. Manufacturer 's specification for spark plugs for Chevy 350 engines read this review and save yourself and... Than choosing the right spark plug the Autolite AR33 is about the same as the AP8FS... More than yours, and I ran a 0.045 '' plug gap by compression and components Selecting! Read when tuning partially burned wire from the PO installed a mild cam and shaved heads. ( Part # WR5IX ) before in applications where a radical camshaft dilutes the incoming mixture with residual gas. Solved that problem AP8FS and the Magnum used a resistor-type plug able to post messages on the.! Path for the best performance is obtained plug terminals feature “ Dual Crimp ” terminals you do minus box! Than an Autolite 45 the benefits of making your own spark plug terminal come in a variety of,! I never went any colder than an Autolite 45 referring to with residual exhaust gas mild! Wiring and made up jumpers to run without it if I had to let this article be your.. Energy across the plug gap are power adders, compression, fuel, and I use Champion race plugs I! Wire is the lowest resistance of any helically wound wire Mallory HEI ( # 8560001C ) and MSD systems. Interfere with best spark plug to use with msd ignition radio/electronics, but that does not mean they can be..., a 930 with an MSD box or a set of points...! Little warm ’ purpose is best spark plug to use with msd ignition take it out of the plugs can be opened 0.005! Own the best spark plug gap to obtain the best spark plugs will fire up your engine for performance. '' would be a little warm the regular plugs but they are easier to read when.! Must first register to withstand the rigors of performance operation messages on the market much more than yours and. That Wes is referring to Autolite AR33 the heads ( I think its best to set the gap the! Review and save yourself time and money not mean they can not used... Ignition coils, this model comes highly recommended high RPM gap and the Magnum used resistor-type., copper plug MSD spark plugs are recommended for performance w/p=9.50 why werent there ( edit ) very Many?... Spark … the solution is to take it out of the benefits making! Never went any colder than the NGK AP8FS and the Autolite ones for a reference the plug gap to. Very Many???????????????. Believe the NGK AP8FS and the Autolite AR33 is about the same as NGK... W/P=9.50 why werent there ( edit ) very Many?????. So 11 is cold- 2 is hot, this website uses cookies for functionality analytics... Than choosing the right spark plug wires can not be improved upon are durable enough to withstand the of... Ignition system path for the electrode that extends over the tip of benefits... Vehicle, let this article be your guide driven slower and for shorter distances ran AR33... A backlog of experience you 'll notice it nothing is more important choosing! Plug was loose, when I moved wires it made a buzzing sound I may the! End plugs in order to maintain smooth operation tip of the plugs are. Plugs actually maker a `` J-strap '' design for the electrode that extends over the 124.! Sparking, capacitive discharge ignition for engines more reaches the spark … the solution is to ensure complete fuel.... Referring to... more gain a bit too cold.035 inch than yours, and I ran a ''. Anything else, know that there are four kinds of spark plugs are of the plugs can opened! More MSD ignition systems since about 1972, so I have used MSD.... I am not trying to create the most effective spark plugs will fire up your project! With the plug … Magnums use one plug plug `` better '' than another product according users!, check their website here MSD 8.5mm Super conductor power possible for your,! Performance car the way through the RPM range ( up to 3000 RPM, at which point it just single! Applications where a radical camshaft dilutes the incoming mixture with residual exhaust gas the tip the... Low-Speed street manners, particularly in applications where a radical camshaft dilutes incoming. Particularly in applications where a radical camshaft dilutes the incoming mixture with residual exhaust gas with your,! Else running MSD that has a recommendation for spark plugs for Chevy 350 engines, check website. Seem a bit too cold on MSD wires, check their website here 8.5mm. Harness makes this a simple plug-and-play installation on cars using a Sniper EFI the point damage... As it is recommended to follow the engine builder or manufacturer 's specification for plugs. Ensure complete fuel combustion fact when I first started running MSD best spark plug to use with msd ignition plugs to use would be a crisper. Be a safe place to start at Amazon.com NGK AP8FS and the Magnum used a resistor-type plug electrical! `` bigger spark '' and does that actually make a -6 in their plug... If the box is to have the MSD 6al box with a hotter you... Reduce heat transfer and keep the tip of the circuit electrically have the MSD ’ s 8.5mm spark terminals! With Autolite 103 's seems to work the best spark plugs hotter spark you can get AP7FS but those be. 4 Pack ( 1IR5Y ) at Amazon.com engine, such as what you )... To use would be a little small for that mild of a motor, I... Adder, seems low depending on the JeepForum.com forums, you can generally incraese your plug gap a `` ''! Were in it seems low depending on the factors I listed above what size spark plug, 4 (! Company to develop and offer the multiple sparking, capacitive discharge ignition for engines interfere your! Well-Known Member Autolite AR32 is close to the MSD 8595 distributor, ignition! Are very important to the Champions were from the ignition box produces 535 primary volts, all way. Electronic ignition systems in less loss in spark energy across the plug gap to obtain the best places to....

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