Basically you don't want to have the system activated unless the throttle is wide open and you are over 3000rpm.
The way to safely do this is to have a RPM window wired in along with your WOT switch.
Enabled at 3000rpm and diabled at 7000rpm.
You don't want to be hitting the revlimiter with the the nitrous on either thats why you set the off at 7000rpm if your limiter is at 7500rpm for eg.
I'm running a WOT switch, 3krpm-7krpm rpm window switch, fuel pressure safety switch and manual push button. Basically the safest the system can be as if one of the switches isn't in the correct state due to rpm too low or throttle not WOT then it doesn't active when button pushed.
Its probably better to be over safe with the install than it is to save for a new motor!
