Nitrous question

[Yamahaulin]

If you were going to spray a 50 shot of dry nitrous would you spray it right before the intercooler or right before the throttle body?

 

[burkgonzo]

Right before the throttle body. If you need to setup a kit for your car call Mike Abney @ Nitrous Express 1-888-463-2781 tell him burkgonzo sent ya.

 

[FLASH1970]

I think you worded that incorrectly. There is no "dry nitrous". Nitrous is nitrous. There is a "Wet shot" and a "Dry shot" of nitrous. If you plan to run a Dry shot, I would spray it before the Mass Airflow Sensor. Otherwise you will run lean.

A "Dry" shot means there is no fuel added so the nitrous must be sprayed before the MAS/MAF so the ECU knows to add fuel.

A "Wet" shot means there are both nitrous and fuel solenoids. The Wet shot should be sprayed after the MAS/MAF because there is fuel added by the fuel solenoid. Just make sure you have the right nitrous and fuel jet size for the amount of nitrous you want to run.

I hope this helps.

 

[98blackeclipse]

But how would you spray it befor the maf. The maf is befor the turbo and it would have a long ways to go befor it reached the intake manifold.

 

[91DSMdave]

But how would you spray it befor the maf. The maf is befor the turbo and it would have a long ways to go befor it reached the intake manifold.

its safe to assume he is talking about something like a blowthrough setup on the upper intercooler piping, being that to basically spray pre-MAF on a stock car, you would be spraying the air filter.

 

[FLASH1970]

But how would you spray it befor the maf. The maf is befor the turbo and it would have a long ways to go befor it reached the intake manifold.

If you still have the stock airbox, cut a hole in it and run the nozzle there. If you have a K&N Cone, drill a hole in the top metal part and run the nozzle there. Yeah, it has a long route to go but if you want to run a dry shot, it needs to be before the MAF. You could also get a GM 3" MAF and put it in the UICP and put the nozzle right before it in the UICP.

 

[98blackeclipse]

Im sorry if i change the subject a little but i had a 3g eclipse and i asked someone if i could add a 35 shot and they said the maf wont read the nos. It will just confuse the ecu. If you do add nos to a dsm how would you go about tunning to add that extra fuel?

 

[akira235]

look up. your question was answered in this thread. you put the shot BEFORE the maf, so the ecu will account for it and add fuel.

 

[FLASH1970]

Im sorry if i change the subject a little but i had a 3g eclipse and i asked someone if i could add a 35 shot and they said the maf wont read the nos. It will just confuse the ecu. If you do add nos to a dsm how would you go about tunning to add that extra fuel?

No ECU will read NOS. NOS is a brand. Nitrous is a power adder. Nitrous is an oxidizer that contains oxygen. Your ECU reads the air containing oxygen normally right? So this someone you asked is wrong. It may not be able to compensate for the added oxygen but it can read it.

 

[ramsack]

A MAF measures air mass, not oxygen content. Even if it measured oxygen content in the air, the oxygen in nitrous is molecularly bound to nitrogen. It needs heat to crack apart. And nitrous is cold as hell when it vaporizes. This would confuse the hell out a hot wire MAF system.

 

[92tsiawdguy]

Do not spray before the maf. Spray 6 inches before the throttle body. The nitrous system with come with a fuel pressure raiser. It will compensate

 

[ramsack]

Any good wet kit will not mess with your fuel pressure, but rather take fuel and inject it with the nitrous through the nitrous nozzle. You of course need a decent pump and FPR to keep fuel pressure where it should be.

 

[Yamahaulin]

I have been using nitrous on v8 cars forever, so i'm very familiar with how it works. I was asking this question to see if it would be beneficial to spray before the intercooler so that it would also have a cooling effect to the intercooler as well as the charge going into the motor. I'm not worried about the ecu seeing the nitrous as I have a laptop and dsmlink i can add any required fuel to the car through that and remove some timing. I kinda figured that right before the throttle body would be the way to go but I wanted to ask some of you guys as this is the first turbo car that i've sprayed.

 

[2gdsm_nc]

Um so you want to spray before the intercooler, so it cools it right? well the way I see it the nitrous cools the air in itself Nitrous=Think of it as a Compressed Liquid intercooler. Along with the added effect of the o2 breaking away inside the cylinder.
This can be done by either instructing the ECU to add more fuel or by increasing the fuel pressure like most turbo and supercharger kits do.

Also of interest is that a dry system that adds fuel by increasing the fuel pressure is incompatible with turbo/supercharger systems that uses a rising rate pressure regulator.

A dry system can use either a single central injector or a direct port configuration. A direct port dry system with the proper ECU support would be a really good solution.

 

[92tsiawdguy]

Any good dry kit will come with a fpr for the nitrous itself. Once the nitrous is injected it will boost the fuel pressure. A wet kit mix's fuel and nitrous together in a fogger style tip.. spray before the throttle body. You will still get the cooling effect. I run nitrous on my car.........................

 

[SHaman]

Although the nitrous isn't going to be that cool, spraying after the intercooler will lower the temperature better than before the IC. If you are cooling the air with nitrous, and then cooling it with an IC, you are lowering deltaT, and decreasing the efficiency of the IC. Spray after the IC, but with enough space for the nitrous to distribute itself as evenly as it can.

 

[habitatguy187]

Spray after the IC, but with enough space for the nitrous to distribute itself as evenly as it can.

I've always thought it was best to drill and tap each intake manifold runner for nitrous? Is this not correct?

 

[NOSLO2PT0]

I've always thought it was best to drill and tap each intake manifold runner for nitrous? Is this not correct?

That would be a direct port kit. That is probably THE best way to set up the nitrous, however, it's also the most expensive.

 

[kawgomoo]

flash..dont be such a dick.

its not called a "dry shot" or a "wet shot"

its called dry or wet manifold, reffering to where the enrichment fuel is distributed in relation to the n2o..either at the "carb" or the "injector"
for u simpletons out there.

and its not nitrous. its nitrous oxide. is there a difference? ill let you decide.

he can call it whatever he wants....if you are going to go on a nazi fact finding mission, at least have YOUR facts straight first.

 

[DGajre777]

Nitrous Oxide, N2O is stored as a compressed liquid but at room temperature, it is a colorless non-flammable gas. You can't go out and buy solid blocks on Nitrous Oxide... so there's no such thing as dry nitrous.

I wouldn't put a dry kit on a turbocharged car. Get a basic wet kit or if you can afford a SMIM, get a direct port kit. You can also get this, it's called a ZEX Ejector Air Amplifier -

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its not called a "dry shot" or a "wet shot"

its called dry or wet manifold, reffering to where the enrichment fuel is distributed in relation to the n2o..either at the "carb" or the "injector"
for u simpletons out there.

No, they aren't called dry or wet manifold's either, they are called DRY or WET SYSTEMS, but it is generally accepted to say that you are running a 50 HP "dry shot" or a 100 HP "wet shot". I've never heard of anyone say they are running a wet manifold before... maybe it's a domestic cars thing, but then again I don't hang out with the domestic car crowd.

and its not nitrous. its nitrous oxide. is there a difference? ill let you decide.

Nitrous Oxide is often referred to as Nitrous. If you go to Zex.com and Nitrous Express, they both call their systems "Nitrous Systems" while NOS calls it "Nitrous Oxide Systems".

Calling every Nitrous Kit out there NOS just makes me want to go see Fast and the Furious again!

 

[FluidKaos]

Be nice guys. It's all semantics.

Installing the nitrous jet anywhere after the intercooler (like the throttle elbow) would be best . Before the intercooler would, as stated before, reduce the efficiency of the intercooler. Before the turbo would nearly negate and charge cooling the nitrous could provide.

 

[97-gst]

nitrous is like a hot girl with std's....you always want to hit it but your afraid of the consequences

 

[98blackeclipse]

nitrous is like a hot girl with std's....you always want to hit it but your afraid of the consequences

i like that and yeah it is very true. but back to the topic. if you spray it befor the intercooler, wouldnt it cool it off more and stay cool after spraying it to get a more dense charge afterwards?

 

[NOSLO2PT0]

i like that and yeah it is very true. but back to the topic. if you spray it befor the intercooler, wouldnt it cool it off more and stay cool after spraying it to get a more dense charge afterwards?

No. The nitrous oxide is at its coldest temp right out of the lines/bottle. So, thats why you inject it as close to the TB as possible, so it remains cold. Spraying it before the FMIC, it has time to travel through the hotter IC piping and warm up, negating some of its effects. The heat from the engine bay keeps the IC piping hot, which transfers that heat to the nitrous oxide/air running through it.

 

[98blackeclipse]

i gess i didnt explain myself. the nitrouse will cool the intercooler, so after you spray it, the intercooler will remain cooler afterwards. and still be able to get a dense charge after you were done using nitrouse