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I thought we could only run a wet kit, but i saw that AEMcivic has a NOS dry kit? so whats the deal?

 
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PM him to find out [IMG]i/expressions/face-icon-small-confused.gif[/IMG]

 
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Is it ok if we discuss it in this thread?
What are some of the reasons that we can't run a dry nitrous setup in our cars?
Someone list a few of the different reasons.

I ask this because I'm confused. I was under the impression that you could run a dry 50 shot safely but once you go over a 50 shot it's better to go wet in order to get a good nitrous/fuel mixture. Wasn't Supermex running a dry setup too?[IMG]i/expressions/face-icon-small-confused.gif[/IMG]

 
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I thought dry systems were for all motor cars and wet systems were for turbo applications.....i think i read that on the NOS website....check it out.......or maybe I read it on the NX website.....check it out

 
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I heard that we couldnt run a dry nitrous system because of the returnless fuel system! Have you used your dry system yet how did it do?

 
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That's what I'm saying, I think that you only run into fuel problems once you go up to something like a 75 shot.
I've sprayed two or three times so far. Two of them have been races with other people where I sprayed in 2nd, 3rd, and 4th gear. My bottle pressure didn't go above 850psi, but it still pulled pretty good. Once I fix my motor mounts I'm going to heat the bottle to about 11 or 1200psi and see if it pulls a bit more. I haven't had any problems, but I usually run 93 octane with a +10pt octane booster when I plan on spraying, and I'm also running colder plugs.

 
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would the Zex system work then? i searched and many people said it wouldnt cuz of the returnless fuel system...imma give it a try in a couple of days..im waiting for the kit to come in..Any help would be appreciated!! thanks alot!!

 
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with a dry system and no addition of fuel your detonating no doubt about it.....

your adding a lot of oxygen and no fuel to burn it with which will cause an ultra lean condtion. Its only a matter of time before your motor blows without adding fuel to the nitrous.

also running the kit at 1200 psi is also too much you want it closer to 1000 psi bottle pressure.

 
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Lets all buy a dry nitrous kit and blow up out intake manifold

 
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Okay!!!
Me first!!!

 
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Not necessarily true. Taken from the clubsi nitrous information post
here.

"A n2o dry kit is when the n2o is activated and spraying the system uses a vacume to adjust the fuel pressure and use the cars injectors to spray the fuel accordingly "

 
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while that is true on 6th gens, you have to remember you have a 7th gen....you also have a returnless fuel system which means you can't adjust your fuel pressure. It stays constant so there is no adjustment on a stock 7th gen fuel system. The injectors do not accomodate for the extra oxygen.
So like my previous post, it stands true and those of you running dry nitrous sytems are asking for trouble the more you use it.

 
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What platcruiser saying is true, when running with the dry kit you also need something to add more fuel when the nitrous is engage. Some race car use this setup because they have a computer ( dfi, speed pro) that gives extra fuel when the nitrous is engage. I would recommend using direct port or the wet kit.

 
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Ok, so what I don't understand now is, why hasn't my motor given me any problems yet?
I'm tired of all the BS with the returnless fuel system. It doesn't mean that our cars can't adjust to the added oxygen at all. It just puts a limit to how much it will adjust. Now whether that limit is enough to blow the engine with a dry 50 shot........I don't know. Has anyone ever posted here saying that they blew their engine with a dry shot? If so, how much were they spraying? If not, why does everyone think this?[IMG]i/expressions/face-icon-small-confused.gif[/IMG]

 
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your computer can only increase the duty cycle of the injectors so much. It in no way can support an extra 50hp. Once the injectors go over 100% duty cycle they lock up and you detonate to all hell....

you are prolly detonating now, and just not aware of the sound it makes. Best bet is to check your spark plugs... post back and lemme know what color they are after using the nitrous

white or silver spec plugs are bad...

you might have a mixed up reading because when you use octane booster it turns the plugs redish/orange

Another noted with octane bootser. When they say it boosts 5 or 7 points those are in tenths. So adding 5 points to 92 is 92.5

 
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wrong.

simple. wet = uses solenoids to pump notrous and fuel into the engine. dry = just nitrous, while using the stock fuel system to add fuel.