How does MSD 6AL rev limiter work?

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How does a MSD rev limiter work?
Does MSD 6AL have rev limiter?
How does a MSD 6AL work?

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SKU: MSD-6425

MSD 6AL Digital Ignition Box w/ Built in Rev Limiter

Description

The MSD 6AL Ignition Control set the standards that other ignitions strive to reach. In fact, you’ll find ignitions from other companies that carry the 6AL name (and in some cases, the same part number). For 2011, the bar has been raised even higher as we introduce the all new Digital 6AL Ignition Control! MSD started with a clean slate and drew up plans for an all new housing. We kept the same footprint 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.

OPERATING SPECIFICATIONS
Spark Energy:	135-145 mJ per spark
Primary Voltage:	520-540 Volts
Secondary Voltage:	45,000 Volts
Spark Series Duration:	20 degree Crankshaft Rotation
RPM Range:	15,000 RPM with 14.4 Volts
Voltage Required:	12-15 Volts, 7 Volt Start
Current Draw:	.7 Amp per 1,000 RPM
Weight and Size	1.7 lbs., 8"L x 4"W x 1.825"H

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SKU: MSD-6425
Stock #: MSD-6425
Brand: MSD Performance
Condition: New

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Weight: 3.0 lbs.

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How does a MSD rev limiter work?

A rev limiter works by using a module or a switch on the ignition that will hold the RPM at a desired limit. It does this by monitoring the engine's RPM and once it reaches the limit it will drop the sparks to different cylinders in order to hold the RPM at the given limit.

Does MSD 6AL have rev limiter?

The rev-limiter of the 6AL is located 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.

How does a MSD 6AL work?

The MSD Ignition features a capacitor which is quickly charged with 520 - 535 volts and stores it until the ignition is triggered. With the CD design, the voltage sent to the coil positive terminal is always at full power even at high rpm. The MSD produces full power multiple sparks for each firing of a plug.

msd 6al rev limiter work