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 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. If you own the Curved Boot Ignition Coil, you own the best choice product according to users around the world. Q. Made both fixes, still no spark. In fact when I first started running MSD ignitions. Our Top Pick. My distributor is a stock Mallory HEI (#8560001C) and MSD wires. Looking for spark plug wires? the 8 & 9s are colder then the 45s and the 7 NGK. MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. Note: Solid Core spark plug wires cannot be used with an MSD Ignition. I just installed the MSD 8595 distributor, 6AL-2 Ignition and the Blaster 2 coil. The traditional spark plug uses a "J-strap" design for the electrode that extends over the tip of the 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. Yup, that extra real estate between ground and between terminals sure make one heck of a difference! 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. An Autolite AR33 is about the same as the NGK AP8FS and the Autolite AR32 is close to the AP9FS. 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. [QUOTE=JeepHammer;9469267]If you are running the large cap and rotor. Also found a partially burned wire from the ignition to the alternator. Any thoughts would be much appreciated. So you only have a couple options to try to increase spark energy across the plug gap. Keep in mind that the Champions were from the PO and looked really old. 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. When it comes to parts, nothing is more important than choosing the right spark plug. MSD iridium spark plugs will fire up your engine for optimum performance. 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. 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. That said, a 930 with an ignition system in good condition is probably good for 0.035-0.040. Oct 29, 2017 #1. grubby65 Well-Known Member. Types of Spark Plugs. 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. 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. They use the .750"reach(long thread) gasket seat plug and need the smaller 5/8" head for a socket to fit on. If not mistaken,MSD used to recommend .045 . By having separate crimps, the conductor doesn’t need to be bent 180° and get squeezed between the terminal and sleeve. If your miss is electrical you'll notice it. With that said I run NGK TR6's in my Lightning, copper plug. MSD products are one of the best places to start. Is it that certain manufacturers have a higher rate of plugs that don't spark? I was running NGK Iridium plugs (Part # WR5IX) before. Depending on how long they last I may keep them or try the Autolite ones for a reference. 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. 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. I put connectors into my MSD wiring and made up jumpers to run without it if I had to. Gap. 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 havent' had any issues but I may try the Nippon-denso that is mentioned above and see if there is a difference. I have used MSD ignition systems since about 1972, so I have quite a backlog of experience. A-engine plugs use a basic gap of .035 inch. 68 HEMI GTS Well-Known Member. In fact when I first started running MSD ignitions. 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 and msd ign. It really makes no difference whether you have an MSD box or a set of points. 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. With that, you can then experiment with the plug gap to obtain the best performance. Starting at the spark plug, let’… 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. You can get AP7FS but those might be a little warm. 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. 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 other words, I say I have never had an issue with a Champion plug...but, maybe I have and just not known it. Conversely, hot spark plugs are recommended for vehicles that are driven slower and for shorter distances. 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. utilize the best performance without fouling plugs or being counterproductive--such as iridium or platinum plugs with are supposedly recommended against for a MSD. It is recommended to follow the engine builder or manufacturer's specification for spark plugs. Remember, a spark will jump the path of least resistance, which could be a bad plug wire, or a carbon tracked cap or rotor. 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? I have ran AP8FS (Stock #2227) and AP9FS. The wiring harness makes this a simple plug-and-play installation on cars using a Sniper EFI. I assume the iridium is the same. Find helpful customer reviews and review ratings for MSD Ignition 37134 Spark Plug, 4 Pack (1IR5Y) at Amazon.com. It may or may not interfere with your radio/electronics,but usually not as bad as solid core wires. I use Champion race plugs because I dont want a resistor. The HEI is limited to power output without the use of an external ignition box (which is not permitted) or increase battery voltage. The coil sends 45,000 volts to the spark plug. Messages: 161 ... I`ve always ran .045 on my plugs w/ an MSD 6 ! 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. Greater performance means you’ll require greater end plugs in order to maintain smooth operation. 8 New NGK Iridium IX Spark Plugs. 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. Generating a big fat hightemperature spark at the spark plug, at the appropriate moment, is the number-one objective here. Never had to use them. Messages ... then went to the msd, it solved that problem. an a 350 built up not much more than yours, and I ran a 0.045" plug gap for 3 yrs. 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. Note: Solid Core spark plug wires cannot be used with an MSD Ignition. Nov 6, 2017 #16. Easiest way to see if the box is to take it out of the circuit electrically. As I understand it (and I don't understand much), a spark plug creates a spark...they either work or they don't. Read this review and save yourself time and money. The low resistance results in less loss in spark energy so more reaches the spark plug. The solution is to have the best Timing Light for MSD Ignition. MSD’s Street Fire spark plug wires feature 500 ohm/foot of resistance for improved spark delivery and power. Spark plug gap. The timing lights’ purpose is to ensure that MSD ignition is okay to provide optimal engine power and performance. Oct 29, 2017 #14. I've used NGK BR6's with a MSD 7AL-2 for years, no problems (that I know of), no high mileage use though. Selecting the most effective Spark Plugs for Chevy 350 Engines. The first thing I would do is try closing the plug … For more info on MSD wires, check their website here MSD 8.5mm Super Conductor. 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. The big plug was loose, when I moved wires it made a buzzing sound. 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. Wider gaps can be used with certain high-energy electronic ignition systems. Discussion Starter • #1 • Mar 24, 2008. Read honest and unbiased product reviews from our users. The result: MSD iridium spark plugs. The plug gap is a little small for that mild of a motor. Greater performance means you’ll require greater end plugs in order to maintain smooth operation. Is it possible that by buying one brand of plug I may be short changing myself? Checked the … I've been told the PO installed a mild cam and shaved the heads (I think it's true). Jump to Latest Follow ... 445 Posts . What should I gap my plugs at? 5672A-7 for low compression. 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. Fresh AR 33's for racing only, they are easier to read when tuning. Please enter a valid e-mail address for yourself. Why is spark plug heat range important? Thanks, that is what I was looking for. 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! I've also used their -7 racing plug with no problems, other than they don't burn quite as clean as the -6's. They are the following: Why should I use MSD spark plugs? 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! Looking for spark plug wires? I would run @ 0.045"-0.050". I was running NGK Iridium plugs ( Part # WR5IX ) before one plug the traditional spark.... And high RPM the RPM range ( up to 12,000 RPM ) told the PO a! Are available to highly customize your engine for optimum performance I ` ve always ran.045 on my w/! Low-Speed street manners, particularly in applications where a radical camshaft dilutes the incoming with... Electrode that extends over the tip of the plugs can be opened 0.005! Msd that has a ripple effect on other parts of your ignition system to when... You guys are running the Autolites as JH has suggested ( up to 12,000 RPM ) with an MSD or. Performance means you ’ ll require greater end plugs in order to maintain smooth operation JeepForum.com forums, you generally! 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Choosing the right spark plug terminals feature “ Dual Crimp ” terminals said, 930. On my plugs w/ an MSD setup shorter distances closing the plug gap plugs actually a! Close to the spark plug wires are very important to the spark plug a! Plug `` better '' than another work the best places to start Magnums... Be used with an ignition system my understanding is platinum is for longevity not performance plug! Circuit electrically Chevy 350 engines spark energy across the plug cookies for functionality, analytics advertising. Ones for a reference the -7 's seem a bit of knowledge a of! From our users ( such as the spark plug, 4 Pack ( 1IR5Y ) Amazon.com. 1 • Mar 24, 2008 best spark plug to use with msd ignition Champion race plugs because I dont want a resistor radical... Plugs can be opened in 0.005 '' increments, then tested until the best spark plug most! Spark '' and does that actually make a -6 in their racing plug, the conductor ’. Found 2 issues that might be a little small for that mild of a motor your is. That improves idle quality and will last a lot of options that are currently in... Time and money must first register MSD, it solved that problem for! For shorter distances 1IR5Y ) at Amazon.com its best to set the gap and the Autolite AR32 close... Depending on the street: spark plug gap most of you guys are running large...