Spark Plug Wires. The plug gap is a little small for that mild of a motor. Many vintage GM musclecars have a nice spot to mount the box on the passenger side of the firewall, while Fords offer a nice location on the fender well next to the washer fluid reservoir. wiring diagrams and tech notes - MPS Racing. Digital 6AL-2, PN , with an MSD Distributor/Crank Trigger 50 MSD I GNI TI ON • WWW. And here are the wires connected directly to the battery. The solder will melt into the wires and create an excellent connection. All are available at hardware, home and auto parts stores. 1) TCW Wire Core is the ultimate solid core race ignition wire when RFI suppression is not a concern and when used with magnetos and point style ignition systems; 2) Spiral Wound Core (350 ohms per foot) when RFI Suppression is required for today’s complex multiple spark discharge ignition systems. .050 or more? With the new coil in place, attach the orange wire to the positive terminal of the coil, and the clack wire to the negative terminal. The line of MSD Blaster Coils, PN 8202, PN 8207 and PN 8222, are great for street and mild racing. While the Coast Stroker kit is nice and affordable, one area where it under whelms is the stock rods and rod bolts. After viewing the instructions, it states solid core spark plug wires CANNOT be used with MSD ignition. MSD provides a wire as part of the set, so simply plug it in to the box as shown here. Before twisting the two wires together, be sure not to forget to slide a piece of shrink tubing over one of the wires. In fact when I first started running MSD ignitions. The MSD coil has less resistance, which is perfect for the MSD 6AL system. They also provide a more direct connection, so I am going to cut off the spade terminals and switch over to eyelets. 3. It is best to route this harness away from the two coil wires and any spark plug wires. What does every one think about this. and mandrel bent 2.5-inch dual exhaust. Note: Solid Core spark plug wires cannot be used with an MSD Ignition.. REV LIMITER The Digital 6AL features a built-in Soft Touch Rev Control that provides a smooth and accurate rev limit by dropping the spark to individual cylinders. We have a great online selection at the lowest prices with Fast & Free shipping on many items! I will get to those ugly plug wires in a minute. Needless to say, the new module has all the advantages of an MSD ignition coupled with the size and look of a stock ignition module. I called MSD today and they told me not to run the iridium plugs because they will get too hot. Buy them ahead of time so you don’t have to run to the store during your install. After clipping the two ends off the wires and installing the shrink tubing, strip a small section of insulation off the end of each wire, allowing just enough bare wire for you to twist the bare ends of each wire together. You will now see why it is called shrink tubing, as the tubing contracts over the connection, making a simple and cheap weatherproof seal. I use plug wire boot protectors, as you can see here, as the clearances are rather tight in this application. The MSD 6AL-2 Ignition can be used with most stock coils and aftermarket coils designed to replace the stock coils. I've used NGK BR6's with a MSD 7AL-2 for years, no problems (that I know of), no high mileage use though. The box can be mounted anywhere, although a more remote location such is in the interior of the car will require you to splice and solder more wire into the harness provided, a fairly easy task. Since the panel that I am mounting the MSD box to will be replaced when Ol’ Paint becomes “New Paint”, I am not too fussy with perfection in the mounting. Here I have crimped two spade terminals that I had in stock from a simple terminal set from the home improvement store. Make sure there is nothing on the other side that you can damage with the drill bit when it goes through. I make the majority of my direct wiring connections this way, especially connections that I don’t anticipate disconnecting any time in the near future. Please right click on the image and save the pic. I have done that before for other repairs, and I am in no hurry to do it again.The simple solution to getting the ignition system on par with the other high performance componentry is to add an MSD Capacitive Discharge box to my ignition system. JavaScript seems to be disabled in your browser. Position the box in place and install all 4 screws into the previously mounted rubber grommets. One small harness has the orange and black wires. After I got my CD box, and started the install, I decided to also order the MSD Blaster coil, which is a better fit for this system, and a nice new set of MSD pre-fit plug wires, which will perform well and look a lot better than with the old wires currently in place.On with the install! Around town drivability is much improved. A helically wound conductor suppresses EMI. Parts Incl. Just wondering what size spark plug gap most of you guys are running. Note: Solid Core spark plug wires cannot be used with an MSD Ignition. I am also going to switch over to the MSD Blaster coil, as it is better suited to the MSD system. Note: Solid core spark plug wires cannot be used with an MSD Ignition Control. The orange and black wires from the second mini-harness from the MSD box are the wires that you will be connecting to the coil. These will be the wires going to the coil. Now the distributor is connected, it’s time to hook up the coil. Other factors that with limit plug gap are power adders, compression, fuel, and high rpm. Once you have all the screws started, you can now tighten all screws and bolts, as bolt alignment is now assured. Spark plug wires are very important to the operation of your ignition system. This will be a good starting point, and I can experiment with different gaps later. At 14:1 you'll typically see the racing plugs gapped at around .028 -.32. You must have JavaScript enabled in your browser to utilize the functionality of this website. 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. I see there is an adapter plug (MSD PN 8869) for it, but was wondering if thats all you would need to get it to work. My gap is at .035 right now. The first step is to clip off the eyelets of the two wires that will be soldered together. 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 … ... spark plug wires cannot be used with an MSD Ignition. I know MSD say that you can't use solid-core plug wires with their multi-spark ignition systems - but what is the effect if you do ? Use an Ohm Meter and connect the terminals to the spark plug … As long as Ol’ Paint remains Ol’ Paint, I will not be so fussy. We're frequently asked, whats the difference between all the wires that are available for my car ? A factory stock distributor with a custom recurve, a Pertonix Ignitor ignition unit, and a Pertronix Flame Thrower coil supplies ignition. I have already clipped the green wire and the black wire is shown here. Now to the plug wire replacement, and to re-gap the plugs to the recommendations provided in the MSD directions. Here are the leads that will be going to the battery terminals. ConclusionInitial start-up after this install was instant. Spark plug wires are very important to the operation of your ignition system. MSD’s Street Fire spark plug wires feature 500 ohm/foot of resistance for improved spark delivery and power. I will now be able to get the maximum voltage to the coil without removing the dash and coil feed wire.A third benefit, of course, is performance. Carefully drill the holes in your mounting location. These wires will never be used at the same time and care should be taken in routing the trigger wires, especially the mag pickup harness. And here is the completed look. With the installation of this box, that problem went away as well.Now I can go to other parts of the fine-tuning process knowing that my ignition system is state of the art, and more than capable of handling any further performance mods I throw at it. The other small harness has the small gauge red and white wires, and there are two heavy gauge red and black wires coming directly from the box. We still need to connect the heavy gauge red and black wires from the MSD box to the battery before we can proceed any further. I decided to go with this type of connecter to allow for easy disconnect should I have a component failure in the future, like the Pertronix unit failing. You can get these in large assortment kits inexpensively and they are always handy to have around for projects like this one, aftermarket gauges, and car stereos. I have already attached the connector to the MSD red wire, as shown. After twisting them together, get the wires hot with the soldering gun and apply the solder. Since I will be using my Pertronix Ignitor as a trigger, which is wired just like factory points, I will not need to use this harness. The top slot is the tach output terminal, for those running a tachometer, and the Magnetic Pickup Connector harness at the bottom is for those running an MSD distributor or crank trigger, factory or aftermarket magnetic pickups. Another method to scribe the 4 holes that will need to be drilled can be to make a paper template with the box on your workbench, as shown here. By having separate crimps, the conductor doesn’t need to be bent 180° and get squeezed between the terminal and sleeve. The RPM package from Edelbrock is surprisingly racy, and it idles with a noticeable lope and only 10 to 12 inches of vacuum. Here is a view of the mounted box from above. uded: 1 - … The mill features a Coast High Performance Stroker Kit, increasing the stroke from the factory 3.50 inches to 3.85 inches, utilizing Probe forged 302 pistons, and stock 351 rods and rod bolts. Since the box handles all the voltages, it simply uses the points as a trigger. an a 350 built up not much more than yours, and I ran a 0.045" plug gap for 3 yrs. This view of the mounted box reveals two wiring connections. A good quality, helically wound wire and proper routing are required to get the best performance from your ignition, such as the MSD Heli-Core or 8.5mm Super Conductor Wire. The factory supplied leads will not be long enough for my application, as I plan to hide the wires on the backside of the radiator core support. To do this you will need a good wire stripper/cutter, and a decent soldering iron or pencil, as well as some solder and shrink tubing. 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. The next step for me, and this is optional, of course, is to re-gap the spark plugs to a wider gap setting, to take full advantage of all that extra spark. I have done the same thing with the white wire from the MSD box, connecting it to the black wire from the Pertronix unit. And here are the wires connected directly to the battery. the other day a mechanic changed my spark plugs and i told him to gap them at .060 i picked up the mav an it runned like ****, so i get back to the mechanic and i told him " you did not gap them at .60 do you? The heavy gauge wires will be the ones going to the battery, so we will get to those later. Get the best deals for msd 6al used at eBay.com. I was wondering if you can use an MSD 6AL with the Duraspark distributor? Note: If you're programming the timing functions of the ignition, the distributor must be locked out. To locate the first hole to drill in the panel, you can simply use a metal punch or screwdriver to scribe the location. I bought the MSD 6AL box today - because I wanted a rev limiter - for my stock ZZ It that an IN- the-cap coil has ie small and yes the "extra" plug wire sucks!!!. And to add insult to injury, the resistor wire runs from the ignition switch in the dash to the wire junction block at the firewall. Spark plug wires can’t add horsepower (despite what some may claim), but they can adversely affect your vehicle’s performance. Since high voltages no longer travel across the points, a CD box actually greatly increases the life of the points. After you have placed the shrink tubing over the fresh connection, light a match or disposable lighter under the shrink tubing. Now to the plug wire replacement, and to re-gap the plugs to the recommendations provided in the MSD directions. The distributor is a HEI with a 4 pin module. I went with the Mopar vacuum advance/magnetic pick up distributor and am (hopefully) going to use the MSD box to send some spark to the holes. The first wiring task I will tackle is connecting the tachometer. Now the car idles on it’s own right away.Throttle response is also instant. 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