N2O for cooling?
Thread Starter
Racer
Joined: Jan 2011
Posts: 275
Likes: 2
From: Tucson Arizona
N2O for cooling?
Have any of you here, with an InterCooler, used a small N2O bleed on the inlet to cool the air stream? I have seen H2O injection and Methanol done this way. I am thinking of using one of my own design micro-foggers with about a 0.012" jet spraying directly into the Inter-Cooler ingress. A simple thermostatic control switch would work and there shouldn't be enough N2O to raise the power output significantly. I think that the MAF would be able to register the change in Airflow well enough.
Any Pros/Cons?
Any Pros/Cons?
Melting Slicks
Joined: Sep 2004
Posts: 3,153
Likes: 114
why not just spray a small shot, say 25bhp, into the intake as you would do a normal N2O shot. Even if its a wet shot you should still see much more than the 25bhp gains.
By the way you will want to mount the nozzel post intercooler. may as well get as much heat out of the air with the intercooler before you use the N2O.
Chris.
By the way you will want to mount the nozzel post intercooler. may as well get as much heat out of the air with the intercooler before you use the N2O.
Chris.
Melting Slicks
Joined: Sep 2004
Posts: 3,153
Likes: 114
Chris.
Burning Brakes
Joined: Mar 2011
Posts: 783
Likes: 2
From: Houston Tx
If you are spraying outside the intercooler, it is too expensive, and if you are spraying in the tubing, nitrous burns very hot, it doesn't matter that it comes out of the bottle cold, that is a bad idea. What you are after is water/meth 50/50 mix, as the meth drops IAT's and the water lowers EGT's. The meth doesn't do much for in chamber cooling, but water does. Good luck. Steve
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Burning Brakes
Joined: Mar 2011
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From: Houston Tx
Pro
Joined: Dec 2003
Posts: 654
Likes: 1
From: chandler az
Really dont see the point in these! Basicly you are using the N2O or CO2 to cool the intercooler. Ok in short bursts but to me just seem to be covering up an inefficet intercooler setup! also the time the exspanding gas will actually ahve in contact with the IC core will be VERY small, thus the thermal trashfer cant be that great. If you wanted to use compressed gas to cool the intake you could be better suing a chargecooler type setup and either using the gas to cool the water.
Chris.
Chris.
I didn't realize there are a lot of people making these kits until I did a search, so a lot of people out there must feel it works.
Drifting
Joined: Feb 2006
Posts: 1,877
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From: Ok! So you don't believe in conspiracies, but will you acknowledge the possibility of there being coordinated activities in secret places? Texas
I've never tried this before, but I have seen the setup several times in drag racing cars. They only run very short burst of spray, of about 5 seconds. Do an internet search on "nitrous cooling intercooler." Some guys are claiming over 50hp from the effect. No, I'm sure it's not cheap, but that's how it is in open competition. C02 is not as expensive if you can keep the gas away from the intake.
I didn't realize there are a lot of people making these kits until I did a search, so a lot of people out there must feel it works.
I didn't realize there are a lot of people making these kits until I did a search, so a lot of people out there must feel it works.
Fairly common on diesels.
Melting Slicks
Joined: Sep 2004
Posts: 3,153
Likes: 114
I've never tried this before, but I have seen the setup several times in drag racing cars. They only run very short burst of spray, of about 5 seconds. Do an internet search on "nitrous cooling intercooler." Some guys are claiming over 50hp from the effect. No, I'm sure it's not cheap, but that's how it is in open competition. C02 is not as expensive if you can keep the gas away from the intake.
I didn't realize there are a lot of people making these kits until I did a search, so a lot of people out there must feel it works.
I didn't realize there are a lot of people making these kits until I did a search, so a lot of people out there must feel it works.
Take C02. You store it at 4500psi at room temp and then release it. Its going to be VERY cold! when that frezzing cold gas hits the IC its going to reduce temps.
my point was its not the best solution. If you are on the street then you are only going to get a few WOT hits before the bottle(s) run dry. and then you are left with the same high IATs that lead you to fit the kit in the first place. you would be better of fitting a better design intercooler or even going A2W to help with the temps. At least if you inject n2o directly into the intake pipework you are not only seeing ALL the cooling advantage (i wonder just how effective these sprayers are at reducing IC temps) but also the added oxygen to burn extra fuel. its fairly regular to seepower increase by more than 150% the sze of the N2O shot on FI cars (eg you spray a 50bhp shot and you see 75bhp increase in power). this extra 50% is thanks thanks to the cooling effect the N2O has.
This is juts my opinion of course.
Chris.
