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MSD Digital 6AL Ign BoxMSD has re-designed the 6AL ignition box.  We kept the same bolt pattern as the traditional 6AL but lowered the profile for a sleek look. The wiring is all routed out one end of the unit through a sealed and locking connector. This eases installation and keeps your wiring looking neat and clean. The rev limiter was moved right on top of the housing for easy access to the two rotary dials to set the limit in 100 rpm increments. Inside the Digital 6AL you’ll find a microprocessor that monitors and controls every firing and rev limit. The circuits are updated with efficient components that help the ignition produce more power while drawing less current! In fact, the new Digital 6AL delivers over 530 volts to the coil with up to 135mJ of spark energy for every firing! Increased output combined with MSD’s proven multiple spark series is a win-win situation! The new Digital 6AL are supplied with the wiring harness and the components you’ll need for installation. The 6AL is also supplied with vibration mounts. Both ignitions are compatible on 4, 6 or 8-cylinder engines with 12-volt, negative ground electrical systems. They’ll accept trigger inputs from breaker points, amplifiers and magnetic pickups. It also contains a built in LED indicator light for system checks.  

Part # 6425  Video Info Digital 6AL    Video of MSD Spark


MSD 2 step rev controller

Since the new Digital 6AL Ignition uses rotary dials to adjust the rev limiter, our engineers were tasked with developing a 2-Step Rev Control that could be added to give racers the ability to switch to a low rpm limit to use on the starting line. The new 2-Step is also digitally controlled and connects to the Digital 6AL’s gray tach output wire. There are two easy to read rotary dials that let you set the launch rpm in 100 rpm increments. There is an activation wire that connects to the transbrake, a clutch switch or to the line-lock to activate the low rpm limit. When that switch is released, the low rpm limit is turned off and the car launches hard!

Part # 8732, use with above only.

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   MSD has an updated and improved version of the popular ignition control box and has come out with a special “LS” line available Aug 23, 2016 via Marken Performance.  Part # 6014 is Red and # 60143 is Black --- they both replace part #’s 6010 or # 6012. 
   New features of the LS Ignition Control Box include; high speed data acquisition, an optional coolant temperature sensor input, idle timing control, as well as individual cylinder timing.  These features are in addition to the existing programmable step retard, launch retard and RPM rev limiters from its predecessor. 
• Fits most carbureted or fuel injected LS Engines - both 24x and 58x crank trigger engines
• No PC required for basic functionality
• Six pre-programmed timing tables
• Rotary selector switch allows timing changes on the fly
• Nitrous and boost compatible
• Fully sealed direct plugin connectors
• Programmable step retard
• Launch and maximum rev limiters
• Optional coolant temperature sensor input - GM sensor part # 12608814
• Launch Retard
• Idle timing control
• Individual cylinder timing
• Compatible with all MSD, Accel and GM LS coils




    MSD Tech Tip - Rewiring a 6A or 6AL Connector:

   The Digital 6A and 6AL Igintion Controls feature a single connector for all of the wiring for the ignition. When people rewire their engine compartment or decide to move the mounting location of the box, sometimes a wire or two may need to be replaced or lengthened.  The good thing is that you can easily remove the wires from the connector if needed with a simple flat-blade baby screwdriver. 
 1.  Locate the two tabs on the ends of the blue cover and use the screwdriver to gently pry the cover off. 
2.  Push the small black tab inside the connector to release the metal terminal, then push the terminal down. 
3.  Pull the terminal out of the connector. Note the seal connected between the wire and the terminal.
To reassemble, simply push the new terminal in place until it locks in place by the black tab on top. Don't forget to put the blue cover back on! 




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