NOS
Author
Discussion

gaz1234

Original Poster:

5,233 posts

249 months

Friday 10th October 2014
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Ho does this work and what's required to run it?

MrBarry123

6,108 posts

151 months

Friday 10th October 2014
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Ask Turetto.

poing

8,743 posts

230 months

Friday 10th October 2014
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Don't do it, you'll blow the welds on your intake!

Mini1275

11,098 posts

212 months

Friday 10th October 2014
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DANGER TO MANIFOLD!!!!

Hrimfaxi

1,036 posts

157 months

Friday 10th October 2014
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PanzerCommander

5,026 posts

248 months

Friday 10th October 2014
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hehe

Seriously though, in theory any car can run a Nitrous Oxide (NO2) system if it is setup correctly. The basic premise of the system is the NO2 is injected into the intake (or directly into the ports) with extra fuel where it is then drawn into the intake. The heat and compression decomposes the NO2 releasing the extra oxygen to burn with the extra fuel which gives you extra power. You will need to have the engine tuned to run it as the timing requires retarding (I think) amongst other things.

You can:
  • Inject it dry (hence the term dry system) into the intake and assuming you have the fuel pump and injector capacity run using the cars stock fueling systems. This will produce the lowest amount of power because you are limited by the stock injectors and pump. Obviously you can up-rate the stock pump and injectors to allow more NO2 to be sprayed into the intake so you can make more power.
  • Inject it wet (hence the term wet system) into the intake with extra fuel, this can be in the form of an up-rated pump and a "spur" off the injector rail or a secondary pump and fuel line. In either case there is a second solenoid that injects the correct amount of fuel with the NO2. This can produce more power than the dry system because there is more fuel available.
  • Inject it directly into the ports (hence the term direct port) this gives you one extra fuel injector and one NO2 injector per cylinder. This system can produce the most amount of power and is often used in drag cars (Nitrous Pro Mods). This can produce serious power increases but its far more expensive than the other two and much harder to balance.
With all systems there is the potential for a belch or backfire (more so with a wet or direct port) where the NO2 and fuel mix if pooled in the intake and ignited can blow the manifold clean off (I have seen it happen - albeit on a 2500+hp car).

This is my limited understanding of NO2 systems. IF you really want to do it speak to a professional, if you get it wrong at best it will be an expensive fix, at worst you could set your car on fire.

Edited by PanzerCommander on Friday 10th October 23:30

Durzel

12,999 posts

198 months

Friday 10th October 2014
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Granny shiftin' not double clutchin' like you should.

MrBarry123

6,108 posts

151 months

Friday 10th October 2014
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Durzel said:
Granny shiftin' not double clutchin' like you should.
Dude, I almost had you.

tomjol

532 posts

147 months

Friday 10th October 2014
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MrBarry123 said:
Durzel said:
Granny shiftin' not double clutchin' like you should.
Dude, I almost had you.

vtecyo

2,122 posts

159 months

Friday 10th October 2014
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There was a gold TVR Cerbera that ran NOS. Was fully boy'd up as well. Max Power cover car. The Nitrous purge system fed into a gas mask in the glove box for a hit of laughing gas...

So awesome.

Flying Toilet

3,621 posts

241 months

Saturday 11th October 2014
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