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MSD Programmable Digital-7 Plus CD Ignitions 7531

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Ignition Box, Digital 7 Plus, Digital, Capacitive Discharge, Universal, Electronic, Racing, Each

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Brand: MSD Ignition
Manufacturer's Part Number: 7531
Part Type: Ignition Boxes
Summit Racing Part Number: MSD-7531

UPC: 085132075317
Ignition Box Output: Capacitive discharge
Circuitry: Digital
Rev Limiter: Yes
Timing Retard: Three-stage
Data Acquisition: No
CD Voltage Output to Coil: 535 V
Current Draw: 1.1 amps per 1,000 rpm
Spark Output (millijoules): 190 Millijoules
Minimum Operating Voltage: 12 V
Maximum Operating Voltage: 18 V
Length (in): 9.500 in.
Height (in): 2.250 in.
Width (in): 4.500 in.
Ignition Box Color: Gold
Coil Included: No
Warranty: 1-year
Quantity: Sold individually.
Notes: Requires MAP sensor for the boost circuit.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These Programmable Digital-7 CD Plus ignitions from MSD have an output power and Individual Cylinder Management timing system that are hard to beat. At the heart of these ignitions is a 15 MHz micro-controller that analyzes and manages every trigger signal. Their capacitive discharge circuits and state-of-the-art IGBT coil drivers work together to deliver a potent spark that can easily handle high cylinder pressures. Below 3,300 rpm, a series of sparks burn in the cylinder over 20 degrees of crankshaft rotation, producing a smooth idle with great throttle response. You can control all of this spark energy through an array of timing and rpm programs. These programs include: Individual cylinder timing that can program up to 10 degrees per cylinder in .1 degree increments, a launch retard that lets you retard the timing up to 15 degrees for 0-2.5 seconds after the launch, a launch timing curve, and a run curve enabling you to plot a timing curve in .1 degree increments per 100 rpm. They also feature a three-step retard, a gear retard that can retard timing up to 5 degrees with every gear change, a start retard, three rev limiters, a shift light, and an rpm-activated window switch. You can also map a complete timing curve for every gear, set stage retards to ramp timing, see updated X-Y plots with interpolation for smooth changes, view all ignition events in a new Launch History window, acquire 20 seconds of run data including two seconds prior to launch, program an rpm that is ramped in during the launch, and select vacuum advance and boost retard through a MAP sensor. They can be used on 4, 6, or 8-cylinder engines, and are supplied with the Pro-Data Plus software, PC harness, vibrations mounts, and wiring. An optional hand-held MSD Programmer Monitor is available separately.

Warranty

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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