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Old 10-23-2004, 03:23 PM   #1 (permalink)
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Quick nitrous question;

I have been researching nitrous systems and I really only have 1 question: with a dry nitrous setup, how is more fuel delivered through the injectors?
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Old 10-23-2004, 03:36 PM   #2 (permalink)
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With a dry system, the fuel is injected through the intake manifold I believe. Unlike a wet system, it can sometimes be uneven distrobution between the cylinders.

I'm not really a NoČ buff, but i know a couple things :\
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Old 10-23-2004, 04:48 PM   #3 (permalink)
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lol uh oh... not another... hope this one doest go the same way
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Old 10-23-2004, 08:39 PM   #4 (permalink)
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Re: Quick nitrous question;

Quote:
Originally posted by userlain
with a dry nitrous setup, how is more fuel delivered through the injectors?
it isnt. your thinking of a wet kit
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Old 10-23-2004, 08:50 PM   #5 (permalink)
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Quote:
Originally posted by 97 camry xle
lol uh oh... not another... hope this one doest go the same way
Nothing like shooting a 100shot into 1/4 of the cylinders.
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Old 10-23-2004, 08:50 PM   #6 (permalink)
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a dry set up just send the NO2 but a wet send the NO2 and fuel at the same time
look at this site
http://www.nissanperformancemag.com/.../nitrous.shtml
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Old 10-23-2004, 10:42 PM   #7 (permalink)
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Quote:
Originally posted by 97 camry xle
lol uh oh... not another... hope this one doest go the same way
What are you talking about, n00b!? I am asking a simple question, not running 200shot nitrous on 2 cylinders and 2x the fuel on the other 2 cylinders on a 3SFE, nontheless.

Oh and FYI, the person who made that thread was from another forum and trying to get us all pissy.
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Old 10-23-2004, 11:05 PM   #8 (permalink)
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"Nitrous pressure is fed to the nozzle and the back side of the fuel pressure regulator diaphram, thus incresing fuel pressure."

So what is this fuel pressure regulator diaphram? Is this the MAF?
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Old 10-24-2004, 05:38 AM   #9 (permalink)
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Any nitrous system will add extra fuel to the motor at the same time as its adding the nitrous (otherwise your motor would blow just about immediatly). A 'wet' system has its own fuel injector, as others have stated. A 'dry' system raises fuel pressure so that the stock fuel injectors spray more fuel.

The diaphram that they are talking about is in the fuel pressure regulator, which sits on your fuel rail (where the fuel injectors get the fuel). Regulators are referenced to manifold vacuum and adjust fuel pressure based on vacuum. By fooling the regulator with extra pressure on the regulating diaphram, you can make it provide higher fuel pressure.

If you stay with a very small shot (like 25!) you can go with a dry kit. If you start to go bigger, seriously think about doing it right with a wet system or even a full direct port setup. Don't be stupid and blow your motor right away.

Hope that answers your question.

-Charlie
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Old 10-24-2004, 10:34 AM   #10 (permalink)
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Quote:
Originally posted by userlain
What are you talking about, n00b!? I am asking a simple question, not running 200shot nitrous on 2 cylinders and 2x the fuel on the other 2 cylinders on a 3SFE, nontheless.

Oh and FYI, the person who made that thread was from another forum and trying to get us all pissy.
haha no shit, im not saying anything about you, i was just merely saying that in the last thread about this topic everyone got all pissy, so chill....
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Old 10-24-2004, 02:13 PM   #11 (permalink)
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Quote:
Originally posted by white90dx
Any nitrous system will add extra fuel to the motor at the same time as its adding the nitrous (otherwise your motor would blow just about immediatly). A 'wet' system has its own fuel injector, as others have stated. A 'dry' system raises fuel pressure so that the stock fuel injectors spray more fuel.

The diaphram that they are talking about is in the fuel pressure regulator, which sits on your fuel rail (where the fuel injectors get the fuel). Regulators are referenced to manifold vacuum and adjust fuel pressure based on vacuum. By fooling the regulator with extra pressure on the regulating diaphram, you can make it provide higher fuel pressure.

If you stay with a very small shot (like 25!) you can go with a dry kit. If you start to go bigger, seriously think about doing it right with a wet system or even a full direct port setup. Don't be stupid and blow your motor right away.

Hope that answers your question.

-Charlie
Thanks for the info man! I had no idea that toyotas regulated fuel that way!

I was planning to only run a 35 shot for ~10 seconds.
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Old 10-24-2004, 06:11 PM   #12 (permalink)
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Quote:
Originally posted by userlain
Thanks for the info man! I had no idea that toyotas regulated fuel that way!

I was planning to only run a 35 shot for ~10 seconds.
All fuel injected cars regulate fuel that way... All normal ones do, at least.

If you are worried about it, find a reputable shop to install the nitrous for you. Talk to a few places before making any decisions...

-Charlie
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Old 10-24-2004, 06:28 PM   #13 (permalink)
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I'm building the setup myself.

It will end up being a 25 shot, if anything.

white90dx; you know if a paintball co2 tank will store nitrous safely?
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Old 10-24-2004, 07:57 PM   #14 (permalink)
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Please don't cheap out when it comes to your motor. Buy a well designed kit...

-Charlie
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Old 10-24-2004, 08:08 PM   #15 (permalink)
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...

It's not hard to fabricate a nitrous system, as long as you purchase good equipment.
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