PN85001 Datasheet, PDF (1/12 Pages) Mallory performance club – MSD Super HEI Kit

MSD Super HEI Kit
PN 85001with MSD Digital 6AL Ignition Control
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Parts Included:
1 - MSD 6 Series Ignition
1 - Blaster SS Coil, PN 8207
1 - Super Conductor Wire, PN 84059
1 - Modified HEI Dust Cover, PN 8401
1 - Pink Wire (not used)
1 - Brown Wire (not used)
1 - Diode Terminal, for
5-Pin HEI Module only

WARNING: During installation, disconnect the battery cables. When disconnecting the battery always
remove the Negative cable first and install it last.
Note: Solid Core spark plug wires cannot be used with an MSD Ignition.
Note: Do not use digital or dial back timing lights.
OPERATION AND FEATURES
DIGITAL OPERATION
The Digital 6A and 6AL use a high speed RISC microcontroller to control the ignition's output while con-
stantly analyzing the various inputs such as supply voltage, trigger signals and rpm. The high speed
controller can make extremely quick compensations to the output voltage, multiple spark series, timing
and rpm limits while maintaining precise timing and accurate rev limiting. The circuits and controller of
the MSD have been thoroughly filtered to create protection against Electro Magnetic Interference (EMI).
CAPACITIVE DISCHARGE
The Digital 6A and 6AL feature a capacitive discharge ignition design. The majority of stock ignition systems
are inductive ignitions. In an inductive ignition, the coil must store and step up the voltage to maximum
strength in between each firing. At higher rpm, since there is less time to charge the coil to full capacity,
the voltage falls short of reaching maximum energy which results in a loss of power or top end miss.
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.
MULTIPLE SPARKS
The MSD produces full power multiple sparks for each firing of a plug. The number of multiple sparks that
occur decreases as rpm increases, however the spark series always lasts for 20° of crankshaft rotation.
Above 3,000 rpm there is simply not enough “time” to fire the spark plug more than once, so there is only
one powerful spark.
PROTECTION
The Digital 6A and 6AL have a built in reverse polarity protection circuit. This will protect the ignition in the
event of wrong connections.
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