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whats the best nitrous to get?

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natef420

20+ Year Contributor
231
0
Oct 28, 2002
vienna, Illinois
ok. ive finally got the extra money saved up to get juice on my car. i cant decide which kit to get now. they all seem to run from 500 to 600 bucks, so the price is gonna be about the same for all of them. i first thought about zex for the easy installation and safty of the motor. then i thought about venom (the cheaper one) because one - ive already got venom injectors, and its just a badass setup. then i looked at nos. i know thats what most people run, but there is alot of sh*t to hook up. nitrous express and nitrous works seems to be the same way. im not a rocket scientist when it comes to all of this, and ive heard from my nitrous-spraying friends that if you dont get everything just right with nos and ones like that....your f*cked. what do you guys think?
ps. ive heard that alot of people poke fun at zex, calling it the barney box and things like that, and the last thing i want it something that people are gonna laugh at. its bad enough that i drive a gs automatic.
 
i've never been a big fan of dry kits and zex only comes as a dry kit.

personally my two favorites as far as setups and options come from NOS and Nitrous Express. both offer wet kits , which typically work a little better on a turbo engine (or so i've read in my research), and have all the available options i would want such as remote pressure guages, bottle heaters, blow down tubes, and purge kits.

if you're going to do something as drastic as nitrous its always seemed to me that its worth doing right. the nitrous kit i priced out came to almost $900 with all the options i wanted, but at that price i knew i'd be able to keep my eyes on it's operation and through the use of the other guages i'd already acquired, i knew i could also keep my eye on its effect on my engine.

in your case i don't see any problem with the zex kit, although i'd look into an adjustable fuel regulator to help raise the base pressure and get more fuel into the cylinders since it is a dry setup. i'd also make sure you have an egt guage, or at least do your nitrous tuning with a wideband on the dyno. 99% of most a/f guages aren't accurate enough to really watch over your engine during the kind of duress that a medium to large shot of nitrous can instill on your engine's internals.

just remember though every dollar and every minute you don't spend on the best setup and the best install is a risk you're taking. obviously you have to take some risk, and that's where your decision comes in. just how much are you willing to risk and at what price?? once you figure that out you'll be able to find your setup.
 
thanks for the advise. i would really like to go with zex just for the setup that they offer. they do have bottle heaters and purge kits, remote bottle openers, and little things like that. plus with zex it dont take years of experiance to hook up (so they say). i just worry about all the 'noids and that stuff that nos has. i dont really have the money to go invest into another motor due to my stupidity. im only wanting about a 50 shot, so i think they zex would probobly do. like i said, i REALLY wanted the cheaper venom setup, but the more i read into it the harder it seemed to hook up.
 
thanks for the advise. i would really like to go with zex just for the setup that they offer. they do have bottle heaters and purge kits, remote bottle openers, and little things like that. plus with zex it dont take years of experiance to hook up (so they say). i just worry about all the 'noids and that stuff that nos has. i dont really have the money to go invest into another motor due to my stupidity. im only wanting about a 50 shot, so i think that zex would probobly do. like i said, i REALLY wanted the cheaper venom setup, but the more i read into it the harder it seemed to hook up.
 
...I love a wet setup, nothing will cause your opponents to sh1t their pants more than purging at the line....

A wet kit doesn't have anything to do with purging. That's simply cleaning gaseous nitrous out of the lines to get to the more potent liquid nitrous.

For your application, I definately say go with a dry kit. Naturally aspirated motors with HP gains of 150 and below always atomize best with a dry kit. After that it simply becomes a safety issue because fuel pressure increase is only going to be effective up to a certain point; after that you need increased volume. However, a wet kit on a naturally aspirated motor increases your chance of fuel puddling and what's called nitrous backfires due to the fact that not only is air being carried through the intake tract, but also liquid (heavy) fuel. I like the NOS kits the best for a dry setup. The ZEX kit is the AOL of nitrous; easy to use, but not nearly as good as the other kits out there. A 50 shot ZEX kit WILL make less power than a 50 shot NOS kit. Either way, you will be happy with whichever kit you get I'm sure. Good luck.

Regards,
 
I perfer the NX kit. It too meall of 3 hours to install without the right tools and I have never had the first problem out of it. I have a 1998 RS with and automatic and believe me the 50 shot is all i will ever need. I cant believe what it has done for me! I perfer a wet kit because you will never run lean as you will run into with a dry kit. All you are doing with a nitrous kit is freezing and forcing air into the combustion chamber. Well with a wet kit your are freezing and forcing air and the proper amount of fuel to match it into the chamber. People say dry is faster. Well this is true! "Lean is fast, but lean is expensive!" You can take my opinion for whatever you think it is worht, but I am driving the same car as you and it is all I could ever want. As far as prices, if you are planning to pay $500 or more, let me know and I can get you the kit and you will still have enough left over to fill your bottle!
 
Ive been running zex on my 91 talon N/A or should I say N2o/A hehe... it is very easy... the hardest part is finding a good place for the switch... it is a little dangerous since my FPR hose keeps blowing off (watch that) you will need a adjustable FPR because the OEM or stock one just does not cut it. Also dont waste you bottle with out a BOTTLE WARMER.... it is a must! I have been through bottle after bottle... without one... and it never hits as hard as it does on a full bottle (higher bottle pressure) have at it bro... ZEX is nothing to laugh at... I have beaten many a cars with my Dry system... just please make sure you are getting enough FUEL in there!!! I have melted a few plugs because it was too dry or LEAN (BIG PROBLEM)
 
im getting good enough fuel i think. i do need to getting a better fpr, but ive got venom injectors already. i thought my car ran good before i put them in, but they were worth every penny. like i said, im new to the nitrous thing. every setup i look at seems to have its good points and its bad. my best friend has a 92 z28 with nx, and every time i drive it i get a boner. im sure i'll decide on something soon. ive gotta get my car setup for it before i go and buy it, cause i know i'll be sitting here looking at the bottle, get on a bottle of my own (wild turkey) and decide to hook it up at 3am. so i guess i need to get the rest of the stuff before i go and buy one. thanks for the input though. i would have just stuck a bottle on it and f*cked something up.
 
I dont feel that it would be necessary to get a new FPR (Fuel Pressure Regulator) when running a Nitrous Express wet kit. The amount of the extra gas that the nitrous kits requires is almost too small to measure. Also if you visit NX's website at www.nitrousexpress.com you will find this to be quoted:

"These systems require no engine modifications, operate on stock fuel pumps, and require no timing retards."

I am running a 75 shot on my 1998 Eclipse RS and never have had the first problem. So save your money!
 
Unless your installing a DP kit, a normal NX or NOS install is very easy, the nitrous is injected into the intake.

Do not stoop so low as to have to use the barney box.
 
The zex kit is all u need for your setup you dont have a turbo so you have no need for a wet system. But do what you want im getting a Venom kit for my talon soon(the expensive one). My friend has that ZEX kit in his neon R/T (it has the same motor as you) and it works great. Spray Paint the bottle and stick a NOS sticker on it if u have to.
 
NX is the way to go man. I used to have a 98 talon esi. I did some research about many diff nitrous kits out there & NX knows what they are doing. I got my NX stage 1 EFI kit brand new from www.racenet.net for $506.50 shipped to my house. I put a good set of plug wires on it & went 1 step colder on the plugs just to be on the safe side which is if i remember correctly NGK= bpr7es or bkr7es. I do remember the stock heat range being 6 so 7 is 1 step colder. The higher the no. the colder it is with NGK plugs & dont let anyone tell you diff. A guy at advanced auto parts tried to tell me that 5 was colder. I just told him to order the damn plugs that i asked for & everything will be alright. If you do get a NX kit dont go over 75 shot. I got gas happy & uped it to 100 & damn would that thing fly till i spun a rod bearing. Remember NX rates their kits at the wheels not the flywheel, so a 75 shot at the wheels is about 125 at the flywheel. Just remember to always run good 93 or higher octane gas & happy spraying.
 
that's a good point that nx dynos their kits to the wheels whereas zex dynos their kits to the flywheel so a 50 shot of zex is comparable to a 35 shot of nx. And Zex's 75 is equal to about 55. From what i've heard nx is the best. I know a handfull of people running the NX kit and a handfull of people running everything else. NX is a well built, researched, and developed kit. Their company has good customer service and you know what you are getting. Solenoids aren't that hard to deal with, you mount them to your firewall and the attach a hose to them is really about it. I helped my friend install his NX kit and it was a lot easier than most would think. I think that if you were to look at what it takes to install and run a Zex kit that Installing and running an NX kit isn't that much harder and well worth your time and money.
 
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