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Nitrous good or bad?

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Old 06-20-10 | 08:00 PM
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powerhour's Avatar
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Nitrous good or bad?

I got a 13b rew and I was thinking would it be a good idea to have nitrous spaying into the intercooler? I have a FMIC just a random thought I had, how effective is this worth I or not? I'm running stock turbos with ported wastegates ( can't remember how big) with some other mods. Let me know if u guys think it's a good idea, bad idea or just to say I have "Noss" as every one calls it haha, thanks'
Old 06-20-10 | 10:50 PM
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Elaborate on your "other mods"... When you say "into" your intercooler do you mean an extermal mist, spraying your IC, or nozzles spraying into the intake stream?

If done correctly than NO2 isn't the end of the world. However there are many alternatives I would go with (like water/methanol injection) before resorting to something like that.

Personally, you couldn't pay me enough to spray nitros, and I've done damn near everything possible to the car while keeping sequential twins....
Old 06-20-10 | 11:18 PM
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Well I also have a greddy boost controller, full custom exhaust and header,aluminum rad, CAI, A.C.T 6 puck clutch, walbro 250? Fuel pump, I believe that's all, and yeah external spraying into the IC, what have you done to yours? While keeping stock twins?
Old 06-20-10 | 11:22 PM
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I should mention I'm doing my car up for track racing
Old 06-20-10 | 11:27 PM
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Stock turbos custom header? Clarify if you can, I don't understand.
Old 06-20-10 | 11:28 PM
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I second the water/methanol injection. A basic kit will be far less to buy, easier to install and way cheaper to maintain. And it would likely be as effective or more so than what your proposing.
You might want to check out the AI section of the forum and start studing the stickys.
Old 06-20-10 | 11:51 PM
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Opps!!! I mention a custom down pipe :p my bad
Old 06-20-10 | 11:53 PM
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Thanks for the info I will!! I'm fairly new to rotarys But I love them from when I first drove one!
Old 06-21-10 | 12:00 AM
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I have a 88 Fc gxl and I swapped in a 13b rew into it, I will deffntly look into a water/methanol injection kit, I'm not a huge fan of NO2 I was just courious about it and I herd that they can blow up a rotary fairly easyly on the turboed engines, do any of you have a water/meth. Injection kit on ur cars?
Old 06-21-10 | 12:37 AM
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Before you do ANYTHING else you need to get a programable/tunable ECU in your car, asap! What AFR are you running?

If you are running all that on the stock ECU than you're treading, no... stomping, on very thin ice and it's only a (short) matter of time until you're likely to blow your engine.

Please, do yourself a HUGE favor and spend some more time searching the forum, and the faq's, before you kill your car. I'm not trying to sound like a jerk, but it sounds like you're on the fast track to catastrophy!

As for what I've done... I started small three years ago and have built up since then. First it was just the reliability mods. Then I went with an upgraded ECU, SMIC, and catback. Then I upgraded my spark and got my first tune. After that I upgraded my complete fuel system, put a stronger clutch in, upgraded twins, added a wideband, a boost controller and tuned for higher boost. Then I added water/meth injection and retuned it again. After that I added a HUGE V-mount IC, and re-tuned again. I insured that my transmission and differential were properly braced. I upgraded my brakes and wheels. I made sure my rear end was secure. I've upgraded my diff, my oil coolers, my solenoids, you name it. Basically take round about $24k in parts and tuning, all well planned out so that an FD can RELIABLY run 400whp all day, every day, SEQUENTIALLY, and you'll have where I'm at. I can honestly tell you that running nitrous has never once crossed my mind.

There are just too many other things that you could, and should, do first... running NO2 is just adding another system which could fail, and will lower your engines life, to an already fickle system.

I wouldn't do it. But that's just me. These cars can be made fast enough without resorting to "cheating" like that.
Old 06-21-10 | 12:50 AM
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Thanks man! No u don't come off a a jerk hash, you have more UFO onthese engines then I do, and yea I'm going to get a ecu, power fc and I've already upgraded the oil coolers and tranny coolers, I'm getting a new rear end, suspension, brakes and all that good stuff, I'm just trying to look for a ecu new/used for a decent price that will be first before anything else is bought, and then a new ignition system, I don't mind spending extra cash on good partsor putting time into my car, thanks for all you info!! Much apprechiated!
Old 06-21-10 | 01:03 AM
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Word, always happy to help

Feel free to ask if you have questions, that's what we're here for. But, word to the wise, many questions regarding these cars have been asked, and answered, in the past. Be sure to run thorough (advanced) searches before posting up new questions. A lot of times people on here can be rather persnickity and snappish if somebody asks a question which has been gone over many times before. The first person to help you here should always be you. Help yourself first, then fall back on the larger community for specific, detailed, questions following a detailed search. Follow that rule of thumb and you'll learn TONS and save yourself from much heartache and wasted time getting flamed

Cheers,

Levi
Old 06-21-10 | 01:14 AM
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Thanks bud, I'll do that forsure! I love to learn new things haha, an yeah I've been flamed pretty hard before haha not just on here but on my other fourm (for my truck). It's the nice people on here like you guys that make these fourms awesome! Hahah thanks for every ones input I appreciate it a ton!
Old 06-21-10 | 11:35 AM
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Originally Posted by fendamonky
If you are running all that on the stock ECU than you're treading, no... stomping, on very thin ice and it's only a (short) matter of time until you're likely to blow your engine.
That is sound advice and you can't go wrong with that. But I will note you can pretty much add all the bolt ons as long as you NEVER surpass 10 psi. I had Mild streetport, CAI, PFS SMIC, DP, MP, on the stock ECU. BUT I NEVER boosted past 10 psi. So OP you must take all of the steps so that you don't get any spikes, nor creep. And I do mean 10.0 (not 10.5) MAXIMUM. I ran like that for years and WOT every chance I got.

Wanna add boost? then get an ECU.

Last edited by Montego; 06-21-10 at 11:42 AM.
Old 06-21-10 | 11:53 AM
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one of these?

Old 06-21-10 | 05:35 PM
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You are getting sound advice above. Check out the AI section of this forum HERE for tons of info on water/meth injection.

THIS Is another must read for you. It is long, but well worth the hour it will take.

Another good place for info on AI is: http://www.aquamist.co.uk/vbulletin/

In short, AI is a VERY good idea to have on your turbo rotary. And for the most part nitrous is just a "no, no" when it comes to turbo rotaries. But that PowerFC or whatever other ecu you decide to go with should come very quickly if not before your AI kit.

As far as the ignition, really the stock system is pretty decent. Most only add the help of a system such as the HKS twin power.
Old 06-22-10 | 10:50 AM
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holy! what an interesting thread that was! learned lots about water/meth injection! deffantly going to run that, thanks oo7arkman for posting the links to that thread, its a must read for sure!
Old 06-22-10 | 12:03 PM
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"naws" is for the F&F ricer crowd
Old 06-22-10 | 08:12 PM
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Originally Posted by no_more_rice
"naws" is for the F&F ricer crowd
Not true at all. Unless the vast majority of the beautiful and very fast muscle cars at the drag strip are ricers.
Old 06-22-10 | 09:17 PM
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It's too expensive to use nitrous for an intercooler sprayer if you drive the car enough. Either spray it right into the motor or use another auxiliary system. The Evos and STi's have factory intercooler sprayers that use water (or a methanol mix).
Old 06-22-10 | 09:51 PM
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Originally Posted by gmonsen
f by track, you mean road racing, then, your next step should be to do track days and then decide what you need.

Gordon
So true. All you really need to go to the track is good brake pads and plenty of gauges to make sure you don't toast your engine. Race tires, power upgrades, suspension adjustments, etc mean nothing until you learn to drive a baseline setup.

David

Last edited by dgeesaman; 06-23-10 at 06:22 AM.
Old 06-22-10 | 10:13 PM
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I too have never been a fan of nitrous. AI is the key for not only decreasing intake temps, but also adding some serious octane to your mixture for increased boost. You can run 10's with a good single setup and AI. There is simply no need for nitrous.
Old 06-23-10 | 01:33 PM
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Originally Posted by 2RotorsNaDream
Not true at all. Unless the vast majority of the beautiful and very fast muscle cars at the drag strip are ricers.
^this, it's wonders in a straight line, I just fail to see a simple and sensible application for road racing. I live in Nebraska, drag race country, nitrous is quite popular out here.
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