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Street Race Truck More... The Toolbox
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$1,033.95
$836.96
MSD 7531 Programmable Digital-7 Plus
MSD 7531 Programmable Digital-7 Plus

MSD 7531 Programmable Digital-7 Plus

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MSD 7531 Programmable Digital-7 Plus
MSD 7531 Programmable Digital-7 Plus
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We estimate this item will ship on or before December 21st.
Part # 5477531
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 5 business days for MSD to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

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GTIN Code:
085132075317

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HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

If youre 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.

Installation Instructions (PDF)

  • 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 engines 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 device through rpm, time or pressure inputs.
  • An upgraded micro- controller runs at 40MHz enabling timing accuracy within 0.1 degrees and /-1 rpm at up to 10,000 rpm!
  • 190 mJ per spark
  • 40,000 Volts
  • 20 degree Crankshaft Rotation
  • 12,500 RPM with 14.4 Volts
  • 12-18 Volts, Negative Ground
  • 1.1 Amp per 1,000 RPM
  • 3 lbs.,9.5"L x 4.5"W x 2.2"H
Some parts are not legal for use in California or other states with similar laws/regulations

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