I have the book Sport Compact Nitrous Injection and this is what it says.
A good NOS kit will have a trigger for it that hooks onto your throttle so that it will not activate until you are at full throttle. Button activation is okay just make sure you don't hold down the button too long. NOS is really only for getting the ball rolling sort of speak. It is supposed to be for the 2500 RPM to 5500 RPm range. This is especially ture if you have turbo. The NOS is to make up for the turbo lag. I would get it hooked up to your throttle and get a push button activation for it. Then you should have any problems.
A good NOS kit will have a trigger for it that hooks onto your throttle so that it will not activate until you are at full throttle. Button activation is okay just make sure you don't hold down the button too long. NOS is really only for getting the ball rolling sort of speak. It is supposed to be for the 2500 RPM to 5500 RPm range. This is especially ture if you have turbo. The NOS is to make up for the turbo lag. I would get it hooked up to your throttle and get a push button activation for it. Then you should have any problems.