Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

nitrous for wrx????

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Old Aug 17, 2004 | 07:34 PM
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InfamousDX's Avatar
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Make sure your car is tuned for it and it would be advised to use it only on higher octane gas, like mixing in 100. Also one-step colder COPPER plugs. Lastly, SEARCH.
Old Aug 17, 2004 | 10:04 PM
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If you don't go crazy with the nitrous and run a wet system that provides additional fuel, it should be okay. If possible find some sort of engine management that will incorporate nitrous management for best safety margin.

Or do it the easy, safe way with a larger turbo, injectors, full exhaust, and reflash.
Old Aug 17, 2004 | 11:34 PM
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Ka-pooooof!!!
Old Aug 17, 2004 | 11:42 PM
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For the record: I am against nitrous in a WRX in general. Yes, it CAN be done safely, but the problem is that it's a drag-strip mod, and drag racing is a poor task for a WRX. Also, there's no faster way to blow up a stock motor than making a mistake with nitrous. If you're going to do it, make sure that you find someone local who understands how it really works. And be prepared to fix things anyway.
Old Aug 18, 2004 | 05:04 AM
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Naaaaawwwwwwwwwwwssssss! NOS="Not On Subaru's", NX="Nitrous Explosion" A small shot (35) is ok. Like BAN SUVS said, wet system only with proper EM. I wouldn't do it though on a daily driver. If you want a good drag WRX you need lots of cash.
Old Aug 19, 2004 | 12:31 AM
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In general, it's been said that forced induction and nitruous don't mix very well. Plus, N2O is mainly for drag racers, and like BAN SUVS said, the WRX is a poor candidate for drag racing.

I personally believe in "All throttle, no bottle"
Old Aug 19, 2004 | 01:45 AM
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Originally Posted by infinityyoo808
I wanted to thank everyone for their input, it all made alot of sense. I was actually going to try and inject it directly into the intercooler, figuring that it would be easier on the engine and at the same time cool the intake air charge. Dont know if it would work? oh and i rarely drag my wrx, i just thought it would be cool to have nitrous on tap just in case.
If you mean the N-tercooler which super cools the intercooler for you i would advise against that as well. I have heard it tends to crack hot i/c's.

I sugguest a water spray kit for that extra cold shot of air and good tuning.
Old Aug 19, 2004 | 03:19 PM
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There's a guy here in Colorado, his name is Harvey. Hod holds the current fast-trap record for N20 use. He used to run a wet injection set-up of Nitrous, and his engine went ka-blooey. Although I would reccomend against it, Talk to him if you MUST use NAWWWWWSSS.

http://www.clubwrx.net/forums/forumd...?s=&forumid=44

That's the clubwrx.net mountain states link, send a PM to WRX Harvey. He's a pretty cool guy.
Old Aug 19, 2004 | 03:30 PM
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Harvey's the man. But most of us aren't Harvey. Use caution with nitrous.
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