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Need some advice on a good nitrous kit.. goal = 500whp

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Old Jun 10, 2008 | 05:15 PM
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Default Need some advice on a good nitrous kit.. goal = 500whp

I have read many of the threads and talked to a lot of local guys, and i still cannot make any conclusions on what i should get. I have heard a lot on the wet vs dry debate. Some argue that wet is safer and makes better hp & tq. I Have also heard that dry works well with our pcm's and avoids the nitrous backfires (really dont want to blow up my nice FAST 90 intake : D ). My friend has a H/C Ls1 with a wet plate kit and likes it, another has a wet kit on his full exhaust Ls1 GTO and makes 500 rwtq . I dont want to go cheap, i want to make it as safe as possible and with best quality components, if im going to do it might as well do it right. Someone want to help me out?

oh and current mods are

231/237 cam
FAST 90/90
full exhaust
granitelli MAF
racetronix fuel system
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Old Jun 10, 2008 | 05:46 PM
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Stock injectors?
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Old Jun 10, 2008 | 07:08 PM
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I would go with a wet plate setup.
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Old Jun 10, 2008 | 07:11 PM
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Ahh I knew you'd come around Jim.
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Old Jun 10, 2008 | 07:41 PM
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I underestand your confusion. everyone has there own preference. How ever not everyones set ups, abilities and applications are the same. If OI can help guide you in the correct direction let me know. Ill ask you some indebt questions but I promise to direct you in the right path the first time...

Dave
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Old Jun 10, 2008 | 08:38 PM
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could do a dry plate and interface from hsw
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Old Jun 10, 2008 | 08:42 PM
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+1 on the Nitro Daves plate system...

Going for a stock bottom end, 9 sec pass here in a few weeks on the 200 shot. :-)
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Old Jun 11, 2008 | 05:07 AM
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Originally Posted by waterbug1999
+1 on the Nitro Daves plate system...

Going for a stock bottom end, 9 sec pass here in a few weeks on the 200 shot. :-)
That's funny, I'm on the same quest with stock cubes, but I'm only having to use a 150 shot with my HSW plate.



Honestly, the kit doesn't matter. All the sponsors here are great. I say go with a plate because I ran nozzles last year and switched back to a plate this year. The plate feels like it hits a whole lot better than the nozzles. Just my .02
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Old Jun 11, 2008 | 06:49 PM
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Originally Posted by Beer99C5
Stock injectors?
im unsure of that..

how much can the stock injectors handle?
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Old Jun 11, 2008 | 07:30 PM
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can't believe nobody noticed, but ditch the pos granetelli maf. wouldn't be surprised if you gained power by switching back to a stocker. DEFINETLY don't spray with that waste of $ on the car.

with your mods + a 150 shot you'll have no problem pulling 500+rwhp
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Old Jun 11, 2008 | 08:21 PM
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Originally Posted by sleeperstyle
can't believe nobody noticed, but ditch the pos granetelli maf. wouldn't be surprised if you gained power by switching back to a stocker. DEFINETLY don't spray with that waste of $ on the car.

with your mods + a 150 shot you'll have no problem pulling 500+rwhp
I agree. Furthermore, the easiest and safest route would be, imo, a dry plate kit and the Interface. If cost is a factor, you can get the same results with a single nozzle dry kit and the Interface, even the Halo dry and Interface would be a great choice. It's (a dry hit) great for beginers as well as advanced users, so safe and simple. Of course as beer asked, the injectors will likely need attention. Who ever was implying that the wet hits harder and all that really has ne idea what they are talking about. X amount of nitrous wet or dry, given all parameters are the same, will equal the same results, just basic physics. Not trying to sell anything as I get 0 $$ for my input and/or recomendations and is just my 2 cents. Now if you get dead set on going the wet route, then i would say again, the plate kits, and would stay away from wet nozzle kits. As long as you stick with one of our site vendors you'll do fine any route you choose.
Robert
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Old Jun 12, 2008 | 08:15 AM
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here is what I got and love it.
Cold Fusion wet kit with a 125 shot.
to be safe with any kit (wet or dry) make sure to get stuff like a widow switch, fuel pressure switch, bottle pressure switch, filters, TR6 plugs, and a good tune.

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Old Jun 12, 2008 | 08:24 AM
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Originally Posted by jt76
im unsure of that..

how much can the stock injectors handle?
With your 2000, stock injectors are 26 pound, if you still have these and do not plan on upgrading them, I would go wet. If you have, or are getting larger injectors (and a Tune for the larger injectors) then I would consider Dry. If you did not put on the fast 90, I would guess whoever did, upgraded the injectors w/ the cam 90mm TB install...But I would find out before spraying dry...

For wet I would consider any of the Plates systems; they look cleaner on the install, and likely distrubute a bit better than a single nozzle. NOS, Nitrous Outlet and HSW have plate systems, each of them different. Pick the one that fits your plans for the power and the look you want, considering noid placement (Hose and Noid colors if your gonna show) etc...
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Old Jun 14, 2008 | 06:29 PM
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Originally Posted by jt76
im unsure of that..

how much can the stock injectors handle?

yeah the car has stock injectors.
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Old Jun 14, 2008 | 10:04 PM
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Originally Posted by jt76
im unsure of that..

how much can the stock injectors handle?
I forgot to mention earlier that the math for sizing injectors per HP sought is in my web site and also how to scale new injectors along with math for sizing fuel pump needs. After reading Beers last post i see your mods and can pretty much say your already at your stock injectors limits. This is really another good reason for going dry for many of us, we are modding our motors besides nitrous and normally injectors will be needed, what a better time than to upgrade said injectors to include your spray plans. many try to imply that one of the down falls of dry is injector upsizing, well many of us Hot Rodders need up sized injectors any way so we can kill two birds with one stone, then the cost of dry kits looks even better. hell, a set of 60lb'ers should be the standard these days rather than the old standard of using 42s as the power levels we are hitting these days, 500hp is not out of the norm for LSx motors. Anyway, your on the right track getting a good knowledge base built before taking the plunge. By the way in your lead post you say that someone said, or you heard that wet is safer, not true, in reality, the dry hit has the edge there. good luck
Robert
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Old Jun 16, 2008 | 07:31 PM
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it would make sense that with a wet shot you would not have to upgrade the injectors... a few people I have talked too reccomend upgrading the injectors even with the wet shot as i am probably close to maxing them out as it is. Seems redundant to me though... thoughts?
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Old Jun 16, 2008 | 07:38 PM
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Stock Injectors I would definately go wet. My 99 spraying a 75 shot Stock was @ 106% injector duty cycle. Being Cam/90 Intake your probably above 90% IDC on those injectors, Dry is a bad idea IMHO unless you upgrade the injectors.
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Old Jun 16, 2008 | 09:20 PM
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Single nozzle wet kit, purge, bottle heater, window switch, and TR6 plugs.

Should work pretty well for you.
That is exactly what is going on my car in the next month.
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Old Jun 16, 2008 | 10:28 PM
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I am strongly considering a HSW Wet plate kit.. my friend has a similar setup to me and is at 96% duty cycle on his injectors
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Old Jun 16, 2008 | 10:34 PM
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rwhp thats for losers go by bhp.
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