Nitrous Question
Thread Starter
Racer
Joined: Jul 2001
Posts: 453
Likes: 1
From: Poughkeepsie NY
Nitrous Question
I'm considering adding the TNT wet-shot kit to my 2000 HT. Thanks to many postings I understand the on-board computer learns as it goes. The general consensis is it takes around 50 miles or so to adapt to mods such as induction or exhaust. If this is the case, how can the addition of nitrous be optimized since it is only used in short bursts? The only thing I can think of is the additional power surge is so devistating it doesn't need to be optimized. I appreciate all opinions... Thanks...
Jeff..
Jeff..
Melting Slicks
Joined: Oct 2000
Posts: 2,739
Likes: 0
From: Long Island New York
Re: Nitrous Question (rosecustom)
Good question. I also heard that you have to retard the timing to run the juice, which makes the engine run less than optimal when you're not spraying. Does anyone know if that is the case also?
Burning Brakes
Joined: Feb 2001
Posts: 929
Likes: 0
From: Dallas TX
Re: Nitrous Question (rosecustom)
You don't have to retard timing on a computer controlled vehicle. It does it for you. I don't know about you guys, but when I spray my car, it learns fast! No need to make any adjustments, just spray it and go!
Drifting
Joined: Jun 1999
Posts: 1,272
Likes: 0
From: South Carolina
Re: Nitrous Question (Big Carrot)
You don't have to retard timing on a computer controlled vehicle. It does it for you. I don't know about you guys, but when I spray my car, it learns fast! No need to make any adjustments, just spray it and go!
The only suggestion I can add is if you're using the HyperTech Power Programmer III, to NOT run it with the PowerTuning installed. The PowerTuning advances the timing somewhat, and this is something you don't want happening while you're running N2O. :seeya
Racer
Joined: Sep 2001
Posts: 289
Likes: 0
Re: Nitrous Question (rosecustom)
In a wet kit, like you mention, the extra fuel needed is being added already. The only way to "optimize" a wet nitrous setup is to play with the fuel jets and get the desired air/fuel ratio. But this is not necessary since TNT has already done all this work for you, their kit like all the others is tuned for optimal performance. Each of their kits, unlike others as far as i know, is flow bench tested to make sure you get the performance you are paying for. The computer is being bypassed and extra fuel is being added manually.
Now in a dry setup like mine, where dry nitrous is sprayed before the MAF the computer senses the extra oxygen through the MAF and adds the extra fuel automatically through the injectors.
I like my setup because it is simple, but if I had not already owned the NOS dry kit I would have went with the TNT.
Good luck
Now in a dry setup like mine, where dry nitrous is sprayed before the MAF the computer senses the extra oxygen through the MAF and adds the extra fuel automatically through the injectors.
I like my setup because it is simple, but if I had not already owned the NOS dry kit I would have went with the TNT.
Good luck
Melting Slicks
Joined: Sep 1999
Posts: 2,521
Likes: 0
From: Houston, TX
Re: Nitrous Question (Eric94)
I agree with Big Carrot. The PCM will make all of the proper adjustments. Whether it's optimized for the spray or not is debatable but we KNOW it runs good. I'm more concerned about how it may effect NA performance after spraying a lot. At least the combustion chamber gets a good cleaning.
To add to Eric94's post, it is also recommended that users change to a colder set of plugs. Nitrous generates a lot of heat that can damage std. plugs or even over-gapped cold ones.
To add to Eric94's post, it is also recommended that users change to a colder set of plugs. Nitrous generates a lot of heat that can damage std. plugs or even over-gapped cold ones.
Drifting
Joined: Apr 2001
Posts: 1,763
Likes: 24
From: Austin TX
Re: Nitrous Question (rosecustom)
First of all, with a wet kit the computer doesnt need to adapt for any fuel changes. AFAIK you would need to tune it in with the fuel jets.
Second, the computer does not learn fuel changes at WOT anyway.
Eric
Second, the computer does not learn fuel changes at WOT anyway.
Eric
