Msd 8728 Rev Limiter Wiring Diagram

The rpm limit is adjusted with the supplied plug in modules of 6000 7000 and 8000 rpm but must be used with the 6200 rpm chip 910 12620 to be legalthis rpm limiter is designed exclusively for the msd 6t 6tn and 6 hvc ignition controls.

Msd 8728 rev limiter wiring diagram. Msd wiring diagrams tech notes msd soft touch rev control pn wiring diagram wiring diagram soft touch control t snowmobile limiter problems. Soft touch rev control pn 8728 online product registration. Its free to register here to get book file pdf msd soft. The rpm limiter is adjusted with plug in modules and is.

Msd ignition fuel and enginemanagement at tuner tools the inside line. It has a special 4 wire. A diagram for the 6400 would help as well as i cannot find a diagram specific to that model either. The msd 8738 soft touch rev limiter control is approved by imca to be used in northern sport mods using a crate engine.

1 red and 1 blue. Adjusted with plug in modules. It seems like the device likes to start limiting 750 1000 rpm before the chip value. This means that the pn 8728 can be installed on engines with a gm hei ignition ford or chrysler electronic ignition any standard breaker points systems or even with an msd 5 or blaster ignition non cd ignitions.

I basically need a wiring diagram for the 8738 as it has 2 extra wires not currently used. This soft touch rev control pn is designed for inductive style ignition systems only. 1 soft touch rev control 4 mounting pads and sleeves. Make sure all of the wiring reaches their.

The pn 8728 can be installed on engines with a gm hei ignition ford or chrysler electronic ignition any standard breaker points systems or even with an msd 5 or blaster ignition non cd ignitions. It cannot be used with an msd ignition control. Ive bought a 2nd hand msd 6400 with a 8738 soft touch limiter plugged in to it. Doing some installation experimentation with the msd soft touch rev control on a general motors hei distributor.

Soft touch rev control pn 8728 note. When the engine reaches your set rpm the soft touch circuitry kicks in and. The msd soft touch 121 8738 rev limiter is for severe duty racing applications and equipped with a special 4 wire connector to plug into an external rev limiter that is designed exclusively for the msd 6t 6tn and 6 hvc ignition controls. Msd 6t 6tn or 6hvc ignition systems.

The soft touch rev control is adjusted with plug in modules and is supplied with 6000 7000 and 8000 rpm modules. Register your msd product online and youll be entered in our monthly 85mm super conductor spark plug wire give away. Both smaller than the main wiring. The soft touch rev spark plug wires.

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