N2o NOS ZEX NX, what do you think???? Options

[Punch]

NX express, ZEX, NOS has any have some on there car ???? gonna put some on my new motor only a 50 shot...

[NuclearHappineS]

to quote a very intelligent nitrous user (runs his own shop, builds his own kit)

To add to what ******* was saying about softening the hit there are also a few other things that can be done to make it come in softer. Running a digital delay on just the nitrous solenoid helps a ton to time the events of nitrous and fuel hitting the plenum at the same time (because they never do) and also can be used as a poor mans traction control device by letting the system spray additional fuel for a few hundreths of a second so the tune goes rich right off the bat. On a well tuned system this works really well, on a "manufacturer reccommended tune" it is pretty much bog city. Biasing the line lenths between the solenoids and nozzles (making the fuel lines roughly 50% shorter) has a very similar effect. The changes are dramatic on a narrowband (yes I know they suck) A/F gauge and should also be quite visible on a wideband with the sample rate cranked.

The acutal length of the line is somewhat irrilevant, the ratio between the nitrous and fuel lines is what is key. Please note this is not the gossepel of nitrous tuning, just one of the many anal retentive little things I like to do to my systems. Here is what I like to do and why:

Hard Lines: always and everywhere ya can. They look better, they support solenoids without the need for solenoid brackets, and their inner diameter stay constant under pressure.

Line Bias: nitrous line (from solenoid to nozzle) should be roughly double the length of the fuel line. I have not put enough effort into researching this to find out exactly what lengths at what pressures work ideally but from what I have seen a 50% bias gets ya in the ballpark. You will notice that the system will hit quicker and will not have any of the bucking/sputtering crap going on that plagues a lot of single nozzle users.