MSD 8501 Ultimate HEI Kit Installation - Manual

M S D I G N I T I O N • W W W . M S D I G N I T I O N . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • FA X ( 9 1 5 ) 8 5 7 - 3 3 4 4
MSD Digital HEI Kit
PN 8501
Parts Included:
1 - Digital HEI Module, PN 83647
1 - HEI Coil, PN 8225
1 - HEI Cap, 84111
1 - HEI Rotor, 84101
1 - HEI Coil Cover, PN 84022
1 - Low Resistance Rotor Bushing and Insulator (assembled)
1 - Tube of Heat Sink Compound
1 - Small Screw Driver
1 - Gray Tach Wire
INSTALLATION
1. Remove the cap, rotor and module
of the original distributor. Make
sure the weights of the mechanical
advance move freely and do not
bind. Also ensure that the distributor
shaft rotates smooth with no wobble
or binding.
2. Apply a liberal coat of the Heat Sink
Compound to the aluminum base
of the Module and to the rubber
insulator. Route the wiring harness
out of the housing and position the
short black wire to ground with one
of the mounting screws (Figure 1).
3. Install the rotor. If you are using an
MSD HEI Pro-Billet Distributor, PN
8365, the supplied Rotor
Adapter must be installed
(Figure 2).
CONNECT SHORT
BLACK WIRE
TO GROUND
APPLY
HEAT SINK
COMPOUND
DISTRIBUTOR
HOUSING
DIGITAL
HEI MODULE
CAP
CONNECTOR
SCREWS AND
STAR WASHERS
TO TACH
USE TO
PROGRAM TACH
GRAY
TACH
OUTPUT
Figure 1 Installing the Module.
Figure 2 Installing the Rotor Adapter on an MSD PN 8365 HEI Distributor.
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