nitrous w/t25

2DaTrakNow · Mar 19, 2006

i was wondering if i could put nitrous on my 98 gst with all stock internals and safely run about a 60-80 shot of nitrous. Honestly my normal plans would be to wait and build my engine before spraying, but my dad got me the whole nitrous kit from NOS for Christmas. I would kind of like to put it on so he doesnt think that it was just kind of a waste, plus it is an easy way to go fast. My fuel system is completely stock, BUT i ordered a 255 fuel pump, and im going to order bigger injectors and an FPR. Right now the kit he got me is just a dry kit, but since my car obviously has a turbo i will convert it to a wet kit. If i run it somewhat rich, will my engine hold up? The most i will be using it is just on weekends(when im at the track) for 3-5 passes a day. Any help on this would be great! But as far as long term engine wear, this next winter i will build my engine for NO2 and high boost, so if it does get worn down alittle bit by me sprayin, it will all get fixed in the winter.

fourreGsixty3 · Mar 19, 2006

I wouldnt suggest spraying any on stock internals and no supporting mods for the juice. Just tell you dad thanks for the kit, and that you will put it on this winter soon as you build up your engine to withstand the spraying. Im sure he will understand that you dont want to kill your engine. And like you said, I would run a wet shot, but wouldnt go over 50shot even on aftermarket internals, just to be n the safe side because I personally have seen a RSX running 50 shots(like 3 that night), he got cocky so uped it to a 100 shot, and well lets just say there was a sickening sound and well lots of oil all over the road.

madman · Mar 20, 2006

fourreGsixty3 said:
I wouldnt suggest spraying any on stock internals and no supporting mods for the juice........................ And like you said, I would run a wet shot, but wouldnt go over 50shot even on aftermarket internals, just to be n the safe side because I personally have seen a RSX running 50 shots(like 3 that night), he got cocky so uped it to a 100 shot, and well lets just say there was a sickening sound and well lots of oil all over the road.

Sounds like you wouldn't suggest nitrous at all.

If a stock motor can support 350hp, what's wrong with 50 shot? maybe even ~ 75?

And common, "wouldnt go over 50shot even on aftermarket internals"........again, do you just think nitrous is a bad thing all together?

2DaTrakNow - You didn't list it, but I guess you know if you get bigger injectors you will need something to control them with and a logger to know what adjustments to make.

I would like to hear some thoughts from guys that have actually ran nitrous on semi stock cars.

I tend to think that you would be able to do it with what you have now, but then again I've never used nitrous, just have done a lot of reading on it.

2DaTrakNow · Mar 20, 2006

madman said:
Sounds like you wouldn't suggest nitrous at all.

If a stock motor can support 350hp, what's wrong with 50 shot? maybe even ~ 75?

And common, "wouldnt go over 50shot even on aftermarket internals"........again, do you just think nitrous is a bad thing all together?

2DaTrakNow - You didn't list it, but I guess you know if you get bigger injectors you will need something to control them with and a logger to know what adjustments to make....

Yes, i do know that i will need some kind of a logger and fuel control to make adjustments. But like madman said, if the motor can support 350, what is wrong with a 50 or 75 shot if i have the fuel to flow with it?

SprayinGS-T · Mar 20, 2006

Wow this sounds like me a few years back...I ran a 60 shot on stock internals and fuel system with no problems for about a year, i got brave one summer trying to impress a girl and threw in a 100 shot, ran great for about 4 bottles...then one pull agains a WS-6 on my way to the beach and BOOOM!

Ideally, you want a a/f guage, injectors, fpr, and upgraded fuel pump to run correctly...

Realistically...you can run it without these upgrades, just hook it up, spray in moderation and dont go over an 80 shot. And im not sure how your judging what a "shot" is but the numbers on the side of the different fogger nozzles do not refer to the "shot" just the size of the hole in the tip, start small. Also you were talking of a wet kit, you dont need that...just tap into the throtle body elbow and spray away, take advantage of the forced injection. Hope this helped a little!

2DaTrakNow · Mar 20, 2006

SprayinGS-T said:
Wow this sounds like me a few years back...I ran a 60 shot on stock internals and fuel system with no problems for about a year, i got brave one summer trying to impress a girl and threw in a 100 shot, ran great for about 4 bottles...then one pull agains a WS-6 on my way to the beach and BOOOM!

Ideally, you want a a/f guage, injectors, fpr, and upgraded fuel pump to run correctly...

Realistically...you can run it without these upgrades, just hook it up, spray in moderation and dont go over an 80 shot. And im not sure how your judging what a "shot" is but the numbers on the side of the different fogger nozzles do not refer to the "shot" just the size of the hole in the tip, start small. Also you were talking of a wet kit, you dont need that...just tap into the throtle body elbow and spray away, take advantage of the forced injection. Hope this helped a little!

you seem to know what your talking about when it comes to nitrous so i have a few questions for you or anybody else that wants to help me out! You said that you ran a 60 shot on stock internals for about a year, then you motor finally went after you used a 100 shot for 4 bottles. Did you have a wet or dry kit? and if it was dry, did you just up the fuel pressure on your regulator? Also, did you use any computer tuning devices or did you just look at your A/F gauge and make sure that you wernt running lean? One more thing, i have plans to go up to the track(1/4 drag) and run probably 2-4 passes a weekend, most every weekend through out the summer. If i looked at my a/f gauge, and tuned my regulator to flow enough fuel to make it burn alittle rich, would i be fine that way? will it even run rich if i up the pressure or will i need some kind of tuner to adjust the fuel that acutally gets to the engine? Also, if i get bigger injectors, i will at least have to have a MAFT to be able to dial it in for the bigger injectors right? So before i would want to run nitrous, the minumum i will need is a bigger fuel pump, injectors, FPR, A/F gauge, and a MAFT. Or will the stock computer be able to adjust the fuel with the bigger injectors?

selmerguy · Mar 20, 2006

I would not run a dry shot on a turbo motor. Not the smart thing to do. You need the fuel to atomize in there and avoid detenation. Also you will want to be able to log. Start small and work your way up to that 60 shot. I dont know what nos kits offer as a small wet shot but the nx kit goes as low as 35 shot.

2DaTrakNow · Mar 20, 2006

selmerguy said:
I would not run a dry shot on a turbo motor. Not the smart thing to do. You need the fuel to atomize in there and avoid detenation. Also you will want to be able to log. Start small and work your way up to that 60 shot. I dont know what nos kits offer as a small wet shot but the nx kit goes as low as 35 shot.

so i should convert it to wet then?

SprayinGS-T · Mar 21, 2006

2DaTrakNow said:
you seem to know what your talking about when it comes to nitrous so i have a few questions for you or anybody else that wants to help me out! You said that you ran a 60 shot on stock internals for about a year, then you motor finally went after you used a 100 shot for 4 bottles. Did you have a wet or dry kit? and if it was dry, did you just up the fuel pressure on your regulator? Also, did you use any computer tuning devices or did you just look at your A/F gauge and make sure that you wernt running lean? One more thing, i have plans to go up to the track(1/4 drag) and run probably 2-4 passes a weekend, most every weekend through out the summer. If i looked at my a/f gauge, and tuned my regulator to flow enough fuel to make it burn alittle rich, would i be fine that way? will it even run rich if i up the pressure or will i need some kind of tuner to adjust the fuel that acutally gets to the engine? Also, if i get bigger injectors, i will at least have to have a MAFT to be able to dial it in for the bigger injectors right? So before i would want to run nitrous, the minumum i will need is a bigger fuel pump, injectors, FPR, A/F gauge, and a MAFT. Or will the stock computer be able to adjust the fuel with the bigger injectors?

Injectors + A/F gauge + FPR and you will be able to compensate for the extra need for fuel. My first engine had nearly zero tuning, i didnt have any logging or a MafT. Also keep in mind I'm not saying this is an ideal setup, im just saying I did it, and it worked for me.
Yes, my kit is a dry kit. Its a NOS kit that i modified to run off a WOT switch instead of the push button.

Also, the post above about breaking you engine in on the NOS, cant think of a real reason that would be necissary, all the NOS really does is cause carbon build-up and several other negative things...not sure why you would start slow but maybe he can elaborate. But for the record my first nozzle was #20 (really really small) just to see the effect it would have on my car, and i worked up from there.

alex · Mar 21, 2006

You wil definetly want a wet system. No doubt about it.

Oh, and about you running nitrous on stock internals, trial and error. Thats all I have to say.

selmerguy · Mar 21, 2006

2DaTrakNow said:
so i should convert it to wet then?

I would. But its up to you. Your motor.

Irrational · Mar 21, 2006

SprayinGS-T said:
Also, the post above about breaking you engine in on the NOS, cant think of a real reason that would be necissary, all the NOS really does is cause carbon build-up and several other negative things...not sure why you would start slow but maybe he can elaborate. But for the record my first nozzle was #20 (really really small) just to see the effect it would have on my car, and i worked up from there.

Hes not talking about " breakin in the engine" hes talking about tuning and seeing what the car can handle so he doesnt blow the engine up.

Get a wet shot so your next post isnt "OMFG i got a hole in my piston"

2DaTrakNow · Mar 21, 2006

I will go ahead and get the wet kit conversion just to be safe, but wouldn't it be just as good on the motor if i added fuel through the fuel system, as it would be if i added it with a wet kit??? And if SprayinGS-T ran his car for over a year with out any problems, my car should be able to do something similar to that expecially if i get some small fuel tuning devices.

Is there anybody else out there that has done what SprayinGS-T has, that can give some feedback? I am not trying to be a dick, but i want some true factually info about what you have seen either on your buddies car, or on the street or track, or something that you have done, not what "you think" or what "you've heard. No offense to anybody who has posted so far, because i will take what you said into consideration, but the info i am looking for is something similar to what SprayinGS-T has said. So is there anybody else that has ran wet or dry shots through thier motor with only fuel mods and no tuning?

2DaTrakNow · Mar 21, 2006

SprayinGS-T said:
Injectors + A/F gauge + FPR and you will be able to compensate for the extra need for fuel. My first engine had nearly zero tuning, i didnt have any logging or a MafT. Also keep in mind I'm not saying this is an ideal setup, im just saying I did it, and it worked for me.....

With bigger injectors dont you have to have some tuning? I thought that with a stock computer and no fuel tuning devices, you couldnt use bigger injectors because you stock computer wouldn't know what to do? I though that the minimum you need was at least a MAF-T? If i get injectors, i will probably go ahead with 880's or 1000's because eventually i will get a .50 trim turbo and a dsmlink. The only way i will not get that size of injectors will be if the MAFT i am going to buy will not go up that high, or if thats too big for nitrous which i dont see how that could be.

SprayinGS-T · Mar 21, 2006

2DaTrakNow said:
With bigger injectors dont you have to have some tuning? I thought that with a stock computer and no fuel tuning devices, you couldnt use bigger injectors because you stock computer wouldn't know what to do? I though that the minimum you need was at least a MAF-T? If i get injectors, i will probably go ahead with 880's or 1000's because eventually i will get a .50 trim turbo and a dsmlink. The only way i will not get that size of injectors will be if the MAFT i am going to buy will not go up that high, or if thats too big for nitrous which i dont see how that could be.

You will run fine without a fuel tuning device, obviously having somthing is better but im assuming your on a budget, I am a big SAFC II fan, i dont have a MafT but would like one for a future blow through setup, cant really comment on that...no first hand experience.

Also, 880-1000's are REALLY overkill, even for a 50 trim and NOS, i would stay around the 600-700's...but again this is what I have used and I dont have a .50 trim, Im running a true evo big 16g.

Irrational · Mar 21, 2006

2DaTrakNow said:
I will go ahead and get the wet kit conversion just to be safe, but wouldn't it be just as good on the motor if i added fuel through the fuel system, as it would be if i added it with a wet kit??? And if SprayinGS-T ran his car for over a year with out any problems, my car should be able to do something similar to that expecially if i get some small fuel tuning devices.

Is there anybody else out there that has done what SprayinGS-T has, that can give some feedback? I am not trying to be a dick, but i want some true factually info about what you have seen either on your buddies car, or on the street or track, or something that you have done, not what "you think" or what "you've heard. No offense to anybody who has posted so far, because i will take what you said into consideration, but the info i am looking for is something similar to what SprayinGS-T has said. So is there anybody else that has ran wet or dry shots through thier motor with only fuel mods and no tuning?

you will not be able to compinsate with fuel with a crappy device like a afc or a Maf Translator . well you could it would just run like crap if you werent on the juce. JUST GET A WET SHOT YA CHEEP BASTARD

. or run a very low shot and keep it dry Do not run an 80 shot dry thats just stupid.

2DaTrakNow · Mar 21, 2006

Alright....both of you guys, SprayinGST and Irrational seem to know what you are talking about, but are kind of saying two different things. Looking at what both of you guys have said, here is what i am going to do. I am going to finish getting my fuel upgrades, so i am going to have a 255 Walbro pump, AEM rail, Aeromotive FPR, and bigger injectors(not sure of the size). Then, i am going to get a MAF-T so that i can make at least some fuel adjustments(and not to get off topic, but i was looking at pictures of those..and where are the dials??? somebody give me a link to pic please!

). Then after i get my adjustments down for bigger injectors and other fuel upgrades, i am going to install my nitrous. But before i install the current kit i have, which is a dry NOS kit i am going to order the dry-to-wet conversion. Therefore, i will do what Irrational said by getting the wet kit, and since SprayinGST said that all of the extra tuning is not needed, i am just going to tune with my MAFT and watch my A/F ratio with obviously my A/F ratio gauge. Also, when i spray a wet shot, wont the nitrous kit add enough fuel to makes up for the nitrous that i spray in? So if i run wet, i wont need to make any fuel adjustments for when i spray right? i can just keep my settings on my standard driving conditions and let the wet kit suck in enough fuel to keep my engine safe? Thanks for all of the help guys, and being so patient, LOL

! just let me know what you think about my idea above :thumb:

JOEY A · Mar 21, 2006

My buddy was spraying a 125 shot on his car, his setup was 272s,550s,18G at 18psi side mount C16 and normal boltons.

The car moved out, and was very fast never blow up but had to run on race gas. It moved who ever says dont spray a DSM doesnt know anything and never used it. Im going to be running a 75 shotwet on my car once its back together.

2DaTrakNow · Mar 21, 2006

JOEY A said:
My buddy was spraying a 125 shot on his car, his setup was 272s,550s,18G at 18psi side mount C16 and normal boltons.

The car moved out, and was very fast never blow up but had to run on race gas. It moved who ever says dont spray a DSM doesnt know anything and never used it. Im going to be running a 75 shotwet on my car once its back together.

so if he was running a 125 shot on race gas, i should be fine with a 60-80 on pump gas with the upgrades i mentioned. If you get your kit installed before me, will you let me know how it works out and all of the upgrades you have at the time? Thanks for the info, thats what i wanted to hear

luvmygst · Mar 21, 2006

Definatly go to a wet kit. With this you do the fuel tuning with the fuel jets.(while spraying) the car will run normal off the bottle. All nitrous does is the same thing as a turbo. Its puts more o2 in the cyllinder to burn=more power. Nitrous is a inert gas untill its broken down by the heat of comustion. At 570 deg (or somwhere in that area I dont remember the exact number) the nitrogen seperates from the oxeygen and presto you have extra oxygen to burn. You just need the fuel to burn it. You need to make sure not to lean out. I reccommend running a little rich, rich = safe. Upgrade the fuel pump for sure make sure to match the n2o and fuel jets.( U usually go up one on the fuel jet to be safe) Meaning if you have a 75 n2o jet start with a 100 fuel jet. Go to the NOS web site to fet the jet sizes, and make sure the fuel jets are for a fuel injected car. Start conservitive and go up from there. Should have no problems unless you get crazy like spraying a 200 shot

Good luck and keep us posted.

2DaTrakNow · Mar 21, 2006

luvmygst said:
Definatly go to a wet kit. With this you do the fuel tuning with the fuel jets.(while spraying) the car will run normal off the bottle. All nitrous does is the same thing as a turbo. Its puts more o2 in the cyllinder to burn=more power. Nitrous is a inert gas untill its broken down by the heat of comustion. At 570 deg (or somwhere in that area I dont remember the exact number) the nitrogen seperates from the oxeygen and presto you have extra oxygen to burn. You just need the fuel to burn it. You need to make sure not to lean out. I reccommend running a little rich, rich = safe. Upgrade the fuel pump for sure make sure to match the n2o and fuel jets.( U usually go up one on the fuel jet to be safe) Meaning if you have a 75 n2o jet start with a 100 fuel jet. Go to the NOS web site to fet the jet sizes, and make sure the fuel jets are for a fuel injected car. Start conservitive and go up from there. Should have no problems unless you get crazy like spraying a 200 shot Good luck and keep us posted.

That all makes sense, i will keep you guys posted on how it goes. My goal is to be sprayin by Arpil 12, so hopefully i will have my results then :thumb:

I will also have my 1/4 mile to post up, the only problem is that i will still have a one wheel peel with some sucky tires

so my time might not be the best!

Irrational · Mar 21, 2006

2DaTrakNow said:
Alright....both of you guys, SprayinGST and Irrational seem to know what you are talking about, but are kind of saying two different things. Looking at what both of you guys have said, here is what i am going to do. I am going to finish getting my fuel upgrades, so i am going to have a 255 Walbro pump, AEM rail, Aeromotive FPR, and bigger injectors(not sure of the size). Then, i am going to get a MAF-T so that i can make at least some fuel adjustments(and not to get off topic, but i was looking at pictures of those..and where are the dials??? somebody give me a link to pic please! ). Then after i get my adjustments down for bigger injectors and other fuel upgrades, i am going to install my nitrous. But before i install the current kit i have, which is a dry NOS kit i am going to order the dry-to-wet conversion. Therefore, i will do what Irrational said by getting the wet kit, and since SprayinGST said that all of the extra tuning is not needed, i am just going to tune with my MAFT and watch my A/F ratio with obviously my A/F ratio gauge. Also, when i spray a wet shot, wont the nitrous kit add enough fuel to makes up for the nitrous that i spray in? So if i run wet, i wont need to make any fuel adjustments for when i spray right? i can just keep my settings on my standard driving conditions and let the wet kit suck in enough fuel to keep my engine safe? Thanks for all of the help guys, and being so patient, ! just let me know what you think about my idea above

You do not need the aem rail or the maft or the injectors to run the wet shot just get the fuel pump and FPR covert to wet shot and go with it do you have a loger? you may want to get some colder plug's as well.

2DaTrakNow · Mar 24, 2006

Irrational said:
You do not need the aem rail or the maft or the injectors to run the wet shot just get the fuel pump and FPR covert to wet shot and go with it do you have a loger? you may want to get some colder plug's as well.

I really dont need anything but a fuel pump and regulator to run a wet shot? Well hell...if thats the case im ready to start sprayin! :cool:

No i do not have a logger though, and yes i will get colder plugs. My fuel pump came in a few days ago, and my FPR just came in today :thumb:

. So ill go ahead and get colder plugs, the wet conversion, and i will check up on the logger. Will a palm logger work good enough??

Irrational · Mar 25, 2006

Yes a palm logger would be good

2DaTrakNow · Mar 25, 2006

Irrational said:
Yes a palm logger would be good

Alright, ill get ahead and get the logger. Once i get it, what all should i be watching out for or looking at? Also, on my FPR what fuel pressure should i be running at?

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