Nitrous Line, Figuring Out The Size?

**ViperJ** · 11-20-2007, 11:35 AM

So I bought my Vette with Nitrous already installed in it but I am trying to add a purge kit since mine didn't have it installed. Is there an easy way to tell what size my nitrous line is? The guy built a custom kit so I can really look online and find it?

Thanks

**LS2Tuner** · 11-21-2007, 09:53 AM

More than likely it is a -3 or -4.. Put a wrench on the tube nut and tell me what size fits it and I'll tell you weather you have a -3 or -4.
What ever you do I seen you mention Zex in your other post by a Nx purge solenoid so you don't end up with a huge ugly solenoid for your purge.

**ViperJ** · 11-30-2007, 07:18 AM

Thanks man, the guy I got the car from sent the rest of the instruction manuals looks like it is -4

Originally Posted by LS2Tuner

What ever you do I seen you mention Zex in your other post by a Nx purge solenoid so you don't end up with a huge ugly solenoid for your purge.

I guess I am confused, your saying don't go with ZEX purge kit?

**LS2Tuner** · 11-30-2007, 05:29 PM

Originally Posted by ViperJ

Thanks man, the guy I got the car from sent the rest of the instruction manuals looks like it is -4

I guess I am confused, your saying don't go with ZEX purge kit?

Yes I don't care for them at all!
Way too big and bulky. It's purpose is ONLY to purge the line. The NX purge solenoid is about a 1/3 of the size.
Unless they have finally came out with a new design that I have not seen. I had someone buy a plate kit from them 3 monthes ago and bought a purge solenoid and I installed it.
And as ALL there other solenoids I have dealt with you can tap or hit them and they make a SCARY rattle noise.