Let's really scrutinize all the N20 systems.
 

Ok, we all have the nitrous owners that LOVE their nitrous kit over another, etc and that's great that your happy but you can't assume superiority without evidence. In this I want to find out why some systems put out more than others. Heck if we do a good enough job we may be able to build/assemble the most EFFECTIVE nitrous system around by swapping the best parts into the package.

Let's analyze the following components to a BASIC system that could cause one to be better than the other in producing more RWHP and/or TQ.
Here are the things I think would make a difference in whether one kit was better than the other:

Solenoids - ones that have a larger orifice and more freeflowing orifice would allow the maximum amount of nitrous to flow.

Dry System's Nozzle (fogger) - different ways in which each company has designed their dry nozzles to atomize, or disperse, the nitrous "better" so that it is used more effeciently in the combustion chamber.

Wet Kit Nozzles (Fogger) - The different size jets for fuel and nitrous combos and again varying degrees of atomization.

Bottle Valves - which are documented to flow more and those flowing more would be the most ideal setup as this is where our source of power makes it's exit <img src="gr_grin.gif" border="0">

Wiring and lines of the same size aren't really relevant in my opinion. Does a TNT -4AN line out flow a NOS -4AN line? I highly doubt it. Even if it did, the gains would be extremely marginal IMO. Ok guys and gals, lets get this going!

Re: Let's really scrutinize all the N20 systems.
 

Well, everyone seems to be going apeshit over TNT. And in retrospect, I would probably go with thier kit if I did this all over again. But while everyone runs around saying "My TNT gave me more power than your NOS/NX/CompuCar kit", this is strictly because of TNT's practice of rating thier systems using REAR WHEEL horse power (and under-rating them to boot). Case in point:

https://ls1tech.com/ubb/cgi-bin/ulti...c&f=4&t=000420

While I would expect nice gains with a hotcam and a shot of nitrous, gaining 165 rwhp on a "100 shot" and 185 rwhp on a "150 shot" are not anywhere in line with the kit ratings. While everyone wants to make more power, I'm just afraid someone will put this kit on thier car, and feel safe running a "150 shot" on stock internals. There are those out here who run that much or more on a stock motor (myself included), but at least we know the risks involved. What do you say to someone who was told a 150 shot is safe, and they then find themselves picking pieces of piston out of the oil pan? Oh, a 150 is safe, but a "TNT 150 shot" is pushing it?

With that said, I think TNT is one of the best out there. I just wish the ratings were more in line with others.

My $.02 <img src="gr_stretch.gif" border="0">

- Matt

Re: Let's really scrutinize all the N20 systems.
 

""While I would expect nice gains with a hotcam and a shot of nitrous, gaining 165 rwhp on a "100 shot" and 185 rwhp on a "150 shot" are not anywhere in line with the kit ratings. While everyone wants to make more power, I'm just afraid someone will put this kit on thier car, and feel safe running a "150 shot" on stock internals. There are those out here who run that much or more on a stock motor (myself included), but at least we know the risks involved. What do you say to someone who was told a 150 shot is safe, and they then find themselves picking pieces of piston out of the oil pan? Oh, a 150 is safe, but a "TNT 150 shot" is pushing it?""

I have to say I was really shocked at the power that showed up with the TNT 100 shot. I agree that it seems from what i've read on this board that the 100 shot seems a bit underrated. But 165 HP WOW. Anyways I'm happy with the setup and I'm sure that if she doesn't hold up i'll be keeping you guys informed. I only ran 2 pulls with the 150 jets but she pulled strong and didn't balk on the way home(75 mile trip).

Re: Let's really scrutinize all the N20 systems.
 

Your right TNT does rate their power on the rear wheel. They also rate it on a "stock" motor. So if you add a cam and some other mods you will more and likely put down some bigger numbers. But I might be wrong. Ive owned all three kits and IMO TNT is the best.

NOS,NX <img src="graemlins/gr_judge.gif" border="0" alt="[judgement]" />
<img src="graemlins/gr_hail.gif" border="0" alt="[hail]" /> TNT

Re: Let's really scrutinize all the N20 systems.
 

Aside from HP ratings and such, I tend to look at the TNT setup as superior, due to the power ring setup. It gets a 10 for ease of use and functionality from me. While I don't have one, a few guys in my club do (Shameless plug: http://www.sffba.com <img src="gr_images/icons/wink.gif" border="0"> ), and they love it. ONLY thing I don't like is bringing in a wet kit in front of the TB. <img src="gr_stretch.gif" border="0">

love2xlr8 - I know I've had a lot to say about your numbers in both this thread and the other. I want you to know I really am not trying to pick on/bash/jinx/etc your car. I just am very worried for you.

To put things in perspective, I am running a 200 shot on my car. This is 200 at the crank (450 crank on motor/650 crank on bottle). I am running this on stock internals, using a progressive controller, bringing in the shot at 50% (100 shot), and progressing up to 100% over 1-1.5 seconds. I use this to greatly lessen the shock to the internals, and my mechanic STILL thinks I'm nuts for running on stock internals. You, on the other hand, are running a little over a 200 shot at the crank, and comming in at full strength. All I'm saying is BE CAREFUL. <img src="gr_stretch.gif" border="0">

- Matt

Re: Let's really scrutinize all the N20 systems.
 

i have to agree, the rating of kits is bogus, some 100 shots are really 100 shots, others are 135 shots.

This makes it really hard to tell others what is really going on.

if i want to add a 100 hp to the rear wheels, i woudl jet a kit for 120 or so. I woudl not want to "play it safe" with a 90 shot, and find out that its 130 hp at the crank, sure this seems like a little difference, but lets say a dual stage setup, 90 and 200, the 90 is 130 at teh crank, and the 200 is really 280 at the crank....see how this could really cuase problems.

Everybody likes to see a large number, and "under rating" seems to be good for these companies to get a good reputation...but come on, most smart people know that its just the jetting, larger = more power, no questions about that.

on a personal level, i like the NX line, their opener is second to none, as its actually closes the bottle, (really cool <img src="gr_stretch.gif" border="0"> ) and their pressure controlled heater is cool too. Lifetime warranty on their noids that are also larger than NOS noids, and seem to last longer, (i have burned out a nos noid testing it with no juice <img src="gr_sad.gif" border="0"> )

Ryan.

Re: Let's really scrutinize all the N20 systems.
 

I agre with the NX accesories being superior,But I don't like their kit that you drill a hole in your intake and have one nozzle.
For the money the TNT has a better deal.CNC ring with 2 nozzles which will atomize the fuel/N2O mix better.
As for the power level it's all about the amount of N2O your ussing per shot.I enjoyed putting big #'s on the dyno,but lets face it,it's to much power for the road and your motor WILL be affected in the long run.
I just switched back in my 75hp pills(which give 90hp/160lbtq at the rear wheels) to bring my hit down and have less to worry about ie:clutch,rearend,speeding tickets ect.
A word of advise for anyone thinking of going the N2O route:It will strain the motor and has a chance of blowing it to pieces if you start going overboard on the jetting.So be prepared.

Re: Let's really scrutinize all the N20 systems.
 

A great topic and one that has bothered me for a while. It would be nice if folks posted their jet sizes for more of an apples to apples comparison. Also, like all other mods, different cars are going to react to identical systems differently. And what other mods the car has can affect the results. Hose routing, solenoid arrangement, location of the purge tap, etc can all affect the final outcome of how well a system performs for a particular installation.

Re: Let's really scrutinize all the N20 systems.
 

Trans Am WSp 420
""love2xlr8 - I know I've had a lot to say about your numbers in both this thread and the other. I want you to know I really am not trying to pick on/bash/jinx/etc your car. I just am very worried for you.""

""To put things in perspective, I am running a 200 shot on my car. This is 200 at the crank (450 crank on motor/650 crank on bottle). I am running this on stock internals, using a progressive controller, bringing in the shot at 50% (100 shot), and progressing up to 100% over 1-1.5 seconds. I use this to greatly lessen the shock to the internals, and my mechanic STILL thinks I'm nuts for running on stock internals. You, on the other hand, are running a little over a 200 shot at the crank, and comming in at full strength. All I'm saying is BE CAREFUL.""

NO offense taken Its cool!!
I actually appreciate the advice, thats why i'm here (cause i'm not all there), If I had all the answers I sure wouldn't be on this or any other board asking for help and posting questions. I really like the idea of the progressive controller to be honest.
The only problem with that is I have to get <img src="graemlins/gr_hail.gif" border="0" alt="[hail]" /> SLOWHAWK to wire it for me
<img src="gr_stretch.gif" border="0">

It's possible I may come down with the jetting to the 100 shot jets, but that still a 165 HP hit. I'd rather be conservative than reckless.

So as a note to others, IMHO if you post on this or any other board and people reply with concerns and or reservation, its probably from thier own personal experience and should never be taken as a put down. <img src="graemlins/camaro.gif" border="0" alt="[Chevrolet]" />

Re: Let's really scrutinize all the N20 systems.
 

why does this keep coming up?

they are all the same! either wet or dry that is the only diference.

I am not sure what size solenoid comes in tnt kit but I think it is 2 "smaller" solenoids as compared to NX 1 big one. These solenoids are not made by either company and are used for many applications other than N2O. Each take these and put there own sticker on. Each is designed to give x amount of HP. Each rates in there own way, If you think it is great cause your 150hp TNT kit gave you 150hp at the rear wheels(on a stock motor) then you were sold a 175hp kit. Each has there own jets...take the 4 jets from a TNT kit and put equal 2 jets in an NX system and you will get the same hp...all else being equal, motor, pressure, exhaust.

Lines, nozzles etc are the same...OK maybe .002% of a hp flow difference.

I am no expert, it just makes sense.

get whichever one you think looks best or installs easiest and go race!

<img src="graemlins/camaro.gif" border="0" alt="[Chevrolet]" />