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installing nitrous ?

Old Mar 19, 2004
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Thumbs up installing nitrous ?

i have a 2002 honda civic ex and i wanted to know where do i need to access the main fuel for the nitrous management unit on the zex wet kit
also where is a good place to mount my purge kit
thanx in advance

Last edited by nolimitz21; Mar 19, 2004 at 11:44 PM.
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Old Mar 20, 2004
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SEARCH IM SURE THERES SOMTHIN POSTED ABOUT THAT ...BUMP
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Old Mar 20, 2004
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There's a fuel line on the engine bay. You will need to cut it and install a "T". I'd take pics for ya and show you but my digicams battery is dead (oh yeah and i don't even have my car right now. LoL).

You can mount the purge solenoid to pretty much anywhere you want. As long as the line that goes to it (not the ss n2o line the actuall line where the n2o shoots out of) has access to be placed where you want it to shoot. Honestly....as pretty as purging into the atmosphere is...I recommend routing it to cool the n2o and fuel solenoids. But that's just me.

Either way.....wherever there's metal you can mount that solenoid. If you can...you can even make a bracket for all of your solenoids and mount them all in the same location somewhere in your engine bay.
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Old Mar 20, 2004
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I've always wanted 2 purge valves coming out of my z-3 fenders.. I think that would be sexy..

Just an idea..

You could have one mist over the top of the engine and it could be like a "stage 1 engine cool down". <--- dumb
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Old Mar 22, 2004
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thanx guys i got it in now
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Old Mar 22, 2004
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anyone with nitrous on an automatic, i got it on mine and it does pull harder but not as hard as i thought it seems like i am running like low 16's or so but i thought it would be better and specs from anyone else or info?
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Old Mar 22, 2004
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Originally posted by SpdRcrChk
Honestly....as pretty as purging into the atmosphere is...I recommend routing it to cool the n2o and fuel solenoids.

what will that do? Cant think of any noticable advantages to this
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Old Mar 22, 2004
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Hmmmmm i dunno i think the advantage is pretty noticeable. LoL Atmosphere vs. cooling a solenoid(s) that tend to get hot. Especially on a night when you're getting a considerable amount of runs in...i.e. a track night.
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Old Mar 22, 2004
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Originally posted by nolimitz21
anyone with nitrous on an automatic, i got it on mine and it does pull harder but not as hard as i thought it seems like i am running like low 16's or so but i thought it would be better and specs from anyone else or info?
Im running 70 shot with CAI, and full exhaust system and when the N2O kicks in its VERY noticeable. If my but was calibrated a little better id guess that im running low 15's ( im NOT at sea level ) and maybe high 14's at sea level. But like a said my @$$ aint calibrated and i havent had a chance to run the 1/4 mile yet. To be honest when it kicks in im in fear of something stock breaking
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Old Mar 23, 2004
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last night i just lost to a z24 cavelier running my 50 shot, somethings wrong or something b/c im just not pulling very hard could it possibly be my fuel lines where im not getting enough fuel to my engine or something i dunno im just kinda pissed b/c the nitrous only gave me like .5sec improvment somethings gotta b wrong
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Old Mar 23, 2004
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If you're running lean, your motor will let you know pretty quickly. Check for N2O line kinks or pinching. Pull your jets out and purge the N2O line to clear out debris. Make sure your nozzle is pointing the toward the head. Make sure your switch is actually working...
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Old Mar 23, 2004
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i dont have my nitrous nozzle facing the engine head. How big of a deal is that, will i need to change that or not
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Old Mar 23, 2004
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you need to make sure the nitrous nozzle attached to your intake is spraying the nitrous and fuel into your throttle body, so make sure it is pointing in that direction.
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Old Mar 23, 2004
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alright b/c i jsut have it sitting in the spot where your intake sensor is suppose to go i thought that was kinda convenient to put the nitrous nozzle there so ill just drill a new hole so the nozzle faces the head
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Old Mar 23, 2004
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when dealing with something like nitrous its wise just follow the instructions unless you know what you're doing.
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Old Mar 23, 2004
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Originally posted by nolimitz21
alright b/c i jsut have it sitting in the spot where your intake sensor is suppose to go i thought that was kinda convenient to put the nitrous nozzle there so ill just drill a new hole so the nozzle faces the head
u need to have that airflow sensor in there, otherwise your engine will run like crap. the ecu tells the engine what to do based on those sensors. i just drilled a hole in the rubber hos attaching the intake pipe to the throttle body, and stuck it in between the two. Like this:

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Old Mar 23, 2004
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Originally posted by keepin_it_clean
u need to have that airflow sensor in there, otherwise your engine will run like crap. the ecu tells the engine what to do based on those sensors. i just drilled a hole in the rubber hos attaching the intake pipe to the throttle body, and stuck it in between the two. Like this:

So what about all the manuals that say that it should be 6-18" from the Throttle Body?
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Old Mar 23, 2004
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no where on my nx kit manual does it say any distance from the tb...many many members here have it mounted right there, i do, and that is acutally kgjracing's picture on his car. has worked just fine for me for awhile now, and havent heard about anything bad happening to it.
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Old Mar 23, 2004
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Originally posted by keepin_it_clean
no where on my nx kit manual does it say any distance from the tb...many many members here have it mounted right there, i do, and that is acutally kgjracing's picture on his car. has worked just fine for me for awhile now, and havent heard about anything bad happening to it.

My NX manual says 2-6 inches from the throttle body. My nozzle is probably about 2 inches, maybe less.
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Old Mar 23, 2004
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Originally posted by keepin_it_clean
no where on my nx kit manual does it say any distance from the tb...many many members here have it mounted right there, i do, and that is acutally kgjracing's picture on his car. has worked just fine for me for awhile now, and havent heard about anything bad happening to it.
Cool, just wondering. I have a kit about to install too so I'm just double checking other people's things.
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Old Mar 24, 2004
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Here is where i put mine ....

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Old Mar 29, 2004
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can anyone post pics of where the fuel line is in the engine bay? or describe where to look.

and when making a T in the line, you just cut the line, put the on the T, put hose clamps on and wahlah you're done? will fuel spill everywhere when the line is cut?

thanks for the help.
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Old Mar 29, 2004
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Originally posted by reytito
can anyone post pics of where the fuel line is in the engine bay? or describe where to look.

and when making a T in the line, you just cut the line, put the on the T, put hose clamps on and wahlah you're done? will fuel spill everywhere when the line is cut?

thanks for the help.

I'm suprised you're asking for pics. Just look under you hood and it shouldnt be hard to find. Make sure you pull your negative battery cable off before u attempt to do that. Yes, fuel will more than likely squirt everywhere. Just put a rag over it. Installing the T fitting in the fuel line was a little bit of a pain because you have a rubber hose and then u have a hard plastic hose on the inside of that. Getting the T fitting to go inside of the hard plastic hose was bi*ch of the whole thing. Better make sure you put the clamps on pretty damn tight or else you're gonna have a leak more than likely. Eventually I think I'll convert it to a stainless line.
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Old Mar 29, 2004
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Originally posted by reytito
can anyone post pics of where the fuel line is in the engine bay? or describe where to look.

and when making a T in the line, you just cut the line, put the on the T, put hose clamps on and wahlah you're done? will fuel spill everywhere when the line is cut?

thanks for the help.
You can pull the F.I. Relay behond the glovebox out, and then crank the engine until it stalls to depressurize the lines if you want.
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