MSD 7531 Ignition Control Module

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Key item features

Map a complete timing curve for every gear.
Output to activate a device through rpm, time or pressure inputs.
Automatic magnetic pickup compensation for crank triggers or distributor pick- ups.
Program your engine's firing order for ease of setting the cylinder-to-cylinder timing.
There is a cam sync output for fuel controllers or data acquisition.
Vacuum advance and boost retard is selectable through a MAP sensor.
Program an rpm limit that is ramped in during the launch.
Select the rpm limiter value in rpm/seconds.
Acquire 20 seconds of run data including two seconds prior to launch.
View all ignition events in a new Launch History window including the retard sum, manifold pressure, rpm, shift points and more.
Updated X-Y plots with interpolation for smooth changes.
Stage retards can be set to ramp the timing.
An upgraded micro- controller runs at 40MHz enabling timing accuracy within 0.1 degrees and +/-1 rpm at up to 10,000 rpm!