N2O Tech Discussion for the use of Nitrous Oxide

Dry vs Wet....

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Old Dec 9, 2006 | 11:52 PM
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Dry vs Wet....

I tried a search but it didn't turn up much on dry vs wet...

I've heard that the dry kits are problematic when it comes to nozzle placement. On the wet side, It's a little unsettling having raw fuel in the intake, and I think wet kits would be more prone to sneeze/backfire.

I will eventually be using this kit with a dialed down spray for my future FI'd stroker.

Any advice/questions/comments/problems?
Old Dec 10, 2006 | 11:08 AM
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Wet is safer by a long shot, it gives you absolute control of the extra fuel.
Old Dec 10, 2006 | 11:14 AM
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Plus, add a window switch for extra safety and you shouldn't have any problems with those intake backfires.
Old Dec 10, 2006 | 11:17 AM
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http://www.go-fast.org/z28/new_to_nitrous.html
Old Dec 10, 2006 | 11:55 AM
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Originally Posted by landstuhltaylor
Why doesn't a mod make this a sticky??
Old Dec 10, 2006 | 11:57 AM
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Originally Posted by Hawk
Why doesn't a mod make this a sticky??
you got me. i found it in a link from a sticky over on ls1tech.com
Old Dec 10, 2006 | 11:59 AM
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Originally Posted by landstuhltaylor
you got me. i found it in a link from a sticky over on ls1tech.com
that page has been around forever, it's one of the best ones I've seen.........
Old Dec 10, 2006 | 01:09 PM
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Originally Posted by DrewHMS97SS
Wet is safer by a long shot, it gives you absolute control of the extra fuel.
Elaborate...What about fuel puddling? That would be cause by use under too low RPM, right? The only way to control fuel on the wet kit would be the jetting, right?

Apparently the MAF does a good job of sensing N2O density on the dry kit. THe above link is good info for people who need research info for N2O Newbs, I picked up a couple things. -Clutch damage.... who'da thunk it.

I have done a LOT of research on nitrous. But I am still trying to decide on a system. I've heard that people have had tuning issues with the dry kit due to the nozzle placement. I guess the nozzles have to be in identical spots on either side of the LID or wherever you mount them. They had a good article last year in GMHTP written by nitrous Dave, apparently.

*rifles thru GMHTP mag archive*

Yep.......GMHTP Febuary 2006 Page 64 "Playing With Fire"

This article has a LOT of information.

Last edited by Bayer-Z28; Dec 10, 2006 at 01:23 PM.
Old Dec 10, 2006 | 02:07 PM
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Originally Posted by Bayer-Z28
Elaborate...What about fuel puddling? That would be cause by use under too low RPM, right? The only way to control fuel on the wet kit would be the jetting, right?
With proper tuning and a window switch, you should never have puddling. Yes, a wet system controls fuel through jetting.

Originally Posted by Bayer-Z28
Apparently the MAF does a good job of sensing N2O density on the dry kit. The above link is good info for people who need research info for N2O Newbs, I picked up a couple things. -Clutch damage.... who'da thunk it.
As the MAF does do an okay job of picking up the change in oxygen density, it makes your fuel injectors work harder to drop the extra fuel. IMHO, a dry kit is a lazy mans way of setting up n2o. If you are wanting a small shot, I suppose it works, but I don't personally feel that it is as good of a delivery system.

Originally Posted by Bayer-Z28
I have done a LOT of research on nitrous. But I am still trying to decide on a system. I've heard that people have had tuning issues with the dry kit due to the nozzle placement. I guess the nozzles have to be in identical spots on either side of the LID or wherever you mount them. They had a good article last year in GMHTP written by nitrous Dave, apparently.
Placement is another large factor to think about. The plate system is superior in that it has a straight shot into the intake. It allows for a better distribution of n2o into the cylinders. With the dry kit, your n2o has to hit the elbow in an LTx before entering the intake. It much cleaner with the LSx due the the straight shot, but I still don't like the idea of a stock computer trying to compensate for something it wasn't designed for.
Old Dec 10, 2006 | 02:27 PM
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..... That makes sense. I'm not going to go DP for my first kit, untill I decide if I like it. AND I will be going FI soon anyway. The DP is good for precise distribution to each cyl. THat was another concern of mine. Some cylners might get more than others. Uneven distribution. Seems like the plate system would do a better job.

Better safe getting it tuned for wet right? -Timing

Last edited by Bayer-Z28; Dec 10, 2006 at 07:45 PM.
Old Dec 10, 2006 | 09:19 PM
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In my experience dry kits are safer, others feel wet is all you can do is do the research and decide what is best for you. I will say that dry kits for LT1's should not go through the MAF it should use a pressure bump like the NOS kit. Also since nitrous and normal air are very similar in weight it will not really be adversely effected by turns, where as fuel will since it is around 3 times as heavy.
Old Dec 11, 2006 | 01:10 PM
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The reason some of these threads don't get "stickied" is because there is not necessarily unanimous agreement on some of the positions/opinions expressed. I'd take exception to the view that a dry system "is a lazy mans way of setting up n2o", and I've seen some major distribution problems with wet plate systems.

There is no universal, "one size fits all" answer to the question.
Old Dec 11, 2006 | 03:44 PM
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Originally Posted by Injuneer
There is no universal, "one size fits all" answer to the question.


now this needs to be "stickied"
Old Dec 11, 2006 | 08:51 PM
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I think this thread has a lot of good information in it. It could save a lot of time searching for certain answers. A stickey is all up to the MODS or ADMIN. I am not pushing for it either way. That is their judgment call.

I am looking for an overall, safe and effective setup. Dry seems safer (to me), but does not seem to be as effective with JUST the kit. (ie; no injector upgrades, fuel pump etc.) Wet is more effective, but to me is unsettling to have raw fuel in the intake.


Originally Posted by Injuneer
I'd take exception to the view that a dry system "is a lazy mans way of setting up n2o", and I've seen some major distribution problems with wet plate systems.

There is no universal, "one size fits all" answer to the question.

Injuneer, I don't mean to sound snide, I know we've had misunderstandings in the past. Distribution problems with the plate system? Would the front half of the motor 'hog' most of the charge? Even if this seems to be the better non DP option? (-like mentioned earlier) Elaborate. I'm all ears right now. DP seems to be a dedicated way to go, mostly because of cost. If I were to go w/ DP I would defenetly go with Dave's "Black Widow" setup. One: it has the FAST intake, w/ BO ports. TWO: it's DP, THE best distribution method. THREE: It's a good combo deal. FOUR: It Looks SICK!

Come to think of it, dry: If certain clynders were not getting their share of nitrous they would in turn run a bit rich.

Last edited by Bayer-Z28; Dec 11, 2006 at 10:10 PM.
Old Dec 12, 2006 | 03:58 PM
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Originally Posted by Injuneer
The reason some of these threads don't get "stickied" is because there is not necessarily unanimous agreement on some of the positions/opinions expressed. I'd take exception to the view that a dry system "is a lazy mans way of setting up n2o", and I've seen some major distribution problems with wet plate systems.

There is no universal, "one size fits all" answer to the question.
im not trying to start an argument, but IMO there should be a sticky with links to credible sources on both sides of the fence. this way people can have the information at their disposal to make an informed decision.



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