Page 1 msd module selectors two step pn 8739 three step pn 8737 parts included.
Msd two step module.
1 parts bag wiring terminals 1 module selector 4 mounting screws note.
This helps keep tire temperatures consistent.
When the line lock button is released the.
This two step module is an add on for the msd digital 6al and its purpose is to stop the 6al from delivering spark to the engine holding it at a specified rpm the two step component is used to hold the engine at a lower rpm to control wheel spin and grip to achieve a shorter launch time.
These msd 2 step module selectors let you choose from two different rpm limits that can be activated at different times.
Gives ability to choose 2 different rpm limits.
They require the use of plug in modules which are available.
As an example we ll use a drag car with a two step module selec tor plugged into the rpm socket of a 7al 2 ignition.
Page 2 installation instructions rev limiter step module selector pn 8739 black autotronic controls corporation 1490 henry brennan dr el paso tx 79936 module 2 module 1.
While 2step does build boost on the line it is.
Note 2step is not anti lag.
By connecting one wire to the line lock circuit one module will be activated during the burnout.
The different rpm modules are activated when 12 volts are applied to a corresponding wire.
Two step module selector does not include rpm modules.
Do not use solid core spark plug wires with any msd component.
For example you can use a lower rpm module for staging and then automatically switch to a higher rpm module after you release your trans brake or line lock.
This install being done is on a 1988 chevy camaro iroc z.
The line of msd 6 series ignitions are the most popular aftermarket ignitions in the world due to our race proven performance on the track and our reliability on the street.
For example you could have a rev limiter set up at 4200 rpm and another at 6500 rpm.
For example you can use a lower rpm module for staging and then automatically switch to a higher rpm module after you release your trans brake or line lock.
With a two step limiter though you have two rev limiters that are each set with there own parameters.
Msd was the first company to develop and offer the multiple sparking capacitive discharge ignition for engines.
Find msd two step module selectors 8739 and get free shipping on orders over 99 at summit racing.
These msd 2 step module selectors let you choose from two different rpm limits that can be activated at different times.
