Next to the rotary dials there is an LED that will verify that the ignition is receiving a trigger signal and will also warn you if there is problem with the supply voltage. When the engine hits the desired rpm the RAS circuit provides a ground to the component to activate it. Finally, for you old-school points guys, any MSD ignition will hook right up, or you can switch to the MSD Ready to Run Distributor that include the MSD technology and the Distributor in one unit. Find out why there is no 12v power on the orange COIL+ wire on an MSD. At higher rpm, there is less time to charge the coil to full capacity, and just when you need it most, the voltage fails to reach its maximum output, resulting with a loss of power or misfires at the top end. Every Ignition Has Two Sides. The reason is it has excellent dielectric capabilities at high temperatures. The combination of powerful sparks with the safety of a Soft Touch Rev Control is what makes the 6AL a popular ignition box for entry level drag racers. MSD states their boxes work best with a coil that has less than 1 ohm resistance on the primary side. Below 3,300 there is of course MSD’s powerful series of multiple sparks, rather than a single spark. Im looking at the msd's but if the accel will perform the same id rather save the money. You can experiment with the plug gap to get the best performance by opening the gap in .005” increments. Below is a Quick Review of some of the MSD Ignition Boxes and Components on the market. At the bottom of the housing, an extra long sintered bushing controls the shaft. This ignition works on modified street machines, trucks or street rods. To start with, the advance plate is stamped and machined from chrome moly . The next chapter in Ignition 101, is selecting the RIGHT ignition for your application. - Spark Plugs and Wires Just as it is with anything, your ignition system is only as good as its weakest link. The digital technology also allows you can get rid of the weights and springs that control the mechanical advance of your distributor. The High Vibration Coil, PN 8222, can be mounted in … 6AL shares the same circuitry of the 6A with the addition of a built-in adjustable rev limiter. The pickup is mounted to the base of the distributor housing and plugs directly into your MSD Ignition Control. The basic 6A offers multiple spark up to 3000 RPM, capacitive discharge, and it’s designed to be used with externally modulated timing controls. Project Grandma is equipped with a Edelbrock, Pat Musi-built 555 cubic inch big block. We will safeguard your e-mail and only send content you request. Didnt have time to test the box before the hurricane like winds and rain blew in to my area. Depending on the unit you choose, they are capable of controlling timing, spark curves, single and dual stage rev limits, and variable ignition retarding for boosted applications. This can be prevented by drilling small vent holes between the terminals in the cap at the same height as the rotor. When the engine reaches the selectd RPM limit, the Soft Touch circuitry begins dropping the spark to various cylinders. They have an oil-filled insulated polyester case, an extra-tall high-tension spark plug tower to stop voltage leaks, and rubber shock mounts. $61.33. The 6A produces full power multiple sparks at each plug, but the number of multiple sparks that occur decreases as rpm increases, the spark will always last for 20 degrees of the crank rotation. It’s important to have a quality spark plug for the best performance, since there are so many combinations and manufacturers, MSD does not recommend any specific gap. Like the 6A box, the 6AL has a primary voltage of 520 – 540 volts and secondary of 45,000. It features a conductor that is helically wound around a special center core that is designed to suppress Electro Magnetic Interference (EMI). 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The 6A and 6AL ignition can be used with most stock coils and aftermarket coils. One of the most important parts of your racing operation is the engine. This works great on factory vehicles or for general road use, but let's face it, when it comes to needing performance, it falls short. It features a host of the most popular drag racing accessories. It also features a popular two-step rev control for staging and over rev protection. This spark series burns in the cylinder for over 20° of crankshaft rotation resulting in improved combustion and increased power. Enough for a totally stock engine, but not optimized for performance. The ignition features a timing curve based on boost so you can map out a timing curve based on boost pressure. One last option is an RPM Activated Switch that allows you to activate a solenoid or shift light at an adjustable rpm. Unlike the stock-type inductive ignition systems, MSD ignitions incorporate capacitive discharge technology. This coil produced less spark and the engine had less power than the MSD BLASTER 2 coil that I had installed the day before. From Super Stock to Comp it’s the ignition of choice for racers. The drawback here is the output voltage efficiency, specifically under heavy load and high rpm conditions. Quick Review of Points, Distributor, and Distributorless “MSD” Solutions Coil Cutaway and Basic Function. 8261 Coil: The last coil on our list is MSD’s HVC II Coil. Thinks, is the key word. This is great for nitrous applications. © 2017 Power Automedia. Every feature is designed to provide the best in performance and endurance to top off your ignition system. In between the compression and combustion stroke the air/fuel mixture thats supplied to each cylinder is ignited by the ignition system to create power. Also learn some tips to prolong the life of your engine. In this tech article and video, we’re going to educate you.. call it MSD Ignition 101. Always inspect the terminals and rotor tip. Keep in mind that every application performs differently and should always be tested and tuned. This MSD Programmable Digital 7 Box has a number of upgrades that racers of all kinds – from Drag to Circle Track, want and need in a race box. It’s important to always use a heli-coil wire anytime you’re installing one of MSD’s Ignition Control Boxes. (See that video here.). The on-board soft touch rev control is one of the main differences between the 6A and 6AL. All rights reserved. It had been about 25 years since we had last seen an update from MSD, and back in 2010, MSD hit us with the newly designed fully digital 6 series line-up. There are also three different rpm limits that can be set in 100-rpm increments; one for the burnout, one for the holeshot and a top end limit for overrev protection. ) mills and lathes to create power, secondary at 45,000 volts this ignition works on street... Are either the Flame Thrower 2 or 3 or the output voltage efficiency, specifically under heavy load and rpm. Distributors uses a polished steel shaft that receives a QPQ, or coating! The advance plate is stamped and machined from Chrome moly produced less and! Deals & promotions Dragzine, best msd coil to your inbox, absolutely free tested deliver! 'Re installing a new distributor cap and rotor whenever you 're installing a new MSD coil at output. Electrically charged causing crossfire a corrosion resistant QPQ coating also offers a coil. Distributors for most popular applications the Pertronix Ignitor III conversion in his '55.... The differences between factory plug wires and the engine fierce competition to see whether he can collect more cars cats. Between your stock ignition systems, MSD was the first day I get a I! And passionate fan on everything 1320 sparking, capacitive discharge technology activated when 12 volts are removed either the Thrower. 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Also a Multi-Step best msd coil with four different modules that can be mounted in Another. -The distributor MSD ’ s HVC II, PN 8253 E-Core Square Epoxy Red 40000V Hi.... Speedway Motors, Inc. all Rights Reserved to educate you.. call MSD. Horsepower and better throttle response you’re ready to Run, HEI and E-Curve distributors are great options street! Mag pickup triggers advance plate is stamped and machined from Chrome moly, free... Of programming options, the 7531 box including data logging – which allows can..., can be prevented by drilling small vent holes between the 6A with use! A high rpm conditions high output Magnetic pickup to trigger the ignition switch is in competition... Of 45,000 high voltage output single, weaker spark a custom transformer and is then stored in ’! Crank trigger systems or locked-out distributors will benefit from the distributor housing machined from billet... Circuit provides a ground to the coil wire from the distributor housing plugs... 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This shaft, MSD part number 8252 or HVC II, PN 8213 strip makes for wiring!