MSD7531



$1,620.19

inc. GST


SKU: MSD7531

BRAND: MSD

Digital-7 Programmable Ignition Control
Digital, Capacitive Discharge, Rev-Limiter, Boost Retard, Data Acquisition


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

If you're a consummate engine tuner and know how to take advantage of minute changes in timing during a quarter mile pass, then the Programmable Digital-7 Plus is the ignition for you! All of the standard programmable features such as Individual Cylinder Management, Step Retards, Rev Limits, Shift Points and more are included in the Plus version but you also get more. Much, much more. A MAP sensor is required for the boost circuit. The Ignition is supplied with wiring harnesses, mounting hardware, an RS232 computer harness and the Pro-Data+ software on a mini CD.
Recommended Coil PN MSD8251 & MSD8261

Operating Specifications


Spark Energy: 190 millijoules/Spark
Primary Voltage: 535 Volts
Secondary Voltage: 40,000 Volts
Spark Series Duration: 20° Crankshaft Rotation
RPM Range: lts
Voltage Required: 12 - 18 Volts, Negative Ground
Current Draw: 1.1 Amps per 1,000 RPM
Weight and Size: 3 lbs., 9.5"L x 4.5"W x 2.2"H
Tested with Pro Power Coil PN MSD8251

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