ZEX Nos ?

[Steve Foltz]

>how could i design
>something to run off the tach signal to kill NOS flow
>a little before redline, say, 7300 or thereabouts.
>the zex kit has no rpm kill, so it will keep merrily
>injecting NOS into a engine that is bouncing off
>redline(i.e. fuel cut) leaving a bunch of NOS but no
>fuel..BANG.  I'm interested in doing this, but not at
>the expense of an engine.  the JWT setup is not an

MSD has relays that can be adjusted with "rpm pills" to trigger and
un-trigger a device at set rpm.  I researced that a couple days ago.  The
single trigger item only cost $75 plus $15 or so for the rpm pills.  The
trigger and cut device cost $100 plus you need two sets of rpm pills.

Steve