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Soft Touch Rev Control

PN 8728

Note:

  This Soft Touch Rev Control, PN 8728, is designed for inductive style ignition systems only. 

It 

cannot be used with an MSD Ignition Control!

  Parts Included:

   1 - Soft Touch Rev Control  

4 - Mounting Pads and Sleeves

  4 - RPM Modules, 3,000, 6,000, 7,000, 8,000

  4 - Wire Splicers

  4 - Self Tapping Screws

  4 - Wire Insulating Caps

Note:  The RPM limit is set with plug-in rpm modules. If an rpm module is not installed, there will be 

no rpm limit.

CyliNdeR SeleCT

The Soft Touch Rev Control comes from MSD 

programmed for 8-cylinder applications. It can 

easily  be  adjusted  for  operation  on  other  en-

gines by cutting the cylinder select wire loops 

(Figure 1). If the loops are cut, use the supplied 

insulating caps to seal the wire ends. 

MOUNTiNG

The Rev Control can be mounted in the engine compartment 

but away from direct heat sources. It is recommended to 

mount it where the rpm module is easy to access for rpm 

adjustments. Make sure all of the wiring reaches their con-

nections. Once a suitable mounting location is determined 

mark the location of the mounting holes by using the unit 

as a template. Remove the unit and use an 1/8” bit to drill 

the holes. Install the supplied mounts and use the four self 

tapping screws to secure the Control (Figure 2). 

WARNING: During installation, disconnect the battery cables. When disconnecting the battery, 

always remove the Negative cable first and install it last.

Figure 1  Selecting the Number of Cylinders. 

Figure 2  Installing the Vibration Mounts.

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

Summary of Contents for 8728

Page 1: ...ut use the supplied insulating caps to seal the wire ends MOUNTING The Rev Control can be mounted in the engine compartment but away from direct heat sources It is recommended to mount it where the rp...

Page 2: ...nning Red Connects to a switched 12 volt source Black Connects to ground on the engine Green Connects to the coil negative terminal Trigger Pickup Wires White If the distributor is triggered by breake...

Page 3: ...Figure 4 Wiring to a GM HEI Distributor using the Module Figure 5 Wiring to a GM HEI Distributor using the Magnetic Pickup Note The GM Unitized Coil HEI Distributor was produced with several different...

Page 4: ...INSTALLATION INSTRUCTIONS M S D I G N I T I O N www msdignition com 915 857 5200 FAX 915 857 3344 Figure 6 Wiring to a GM Dual Connector Coil System Figure 7 Wiring to a Ford Duraspark Ignition...

Page 5: ...INSTALLATION INSTRUCTIONS M S D I G N I T I O N www msdignition com 915 857 5200 FAX 915 857 3344 Figure 8 Wiring to a Ford TFI Ignition Figure 9 Wiring to a Chrysler Magnetic Pickup...

Page 6: ...431 PN 87441 PN 87451 PN 87461 PN 87471 PN 87481 PN 87491 PN 87501 PN 87511 PN 87521 PN 87531 PN 8670 PN 8671 PN 8672 PN 8673 PN 8674 PN 8675 EVEN INCREMENTS 3 100 3 900 4 100 4 900 5 100 5 900 6 100...

Page 7: ...______________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _...

Page 8: ...of any problems experienced and what components and accessories are installed on the vehicle The repaired unit will be returned as soon as possible using Ground shipping methods ground shipping is cov...

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