Before Nitrous

[jnc]

I was just wondering if there was anything that i should have anything put onto my car (ignition, cam, port and polish) before i go with nitrous. I am a noob to nitrous but any help you guys can provide would be great.

[S Q A D]

before you go throwing a rod through your block , read up on nitrous ... and ask questions to people that already have nitrous ( toddnos,sammydhoff,fmidrc racer )

[sammydhoff]

I have been running nitrous for about a year in my 95 EX coupe- D16Z6 (89K). First I applaud u for posting and not just throwing on a kit and blowing your motor then posting asking us why u blew it. Below I have listed the steps I have taken with my nitrous along with my dyno numbers:

1. Read and do research before u buy and hook up anything. I have sat in Barnes and Noble bookstore for hours reading magazines and books. I would recommend a book called "Sport Compact Nitrous Injection" by Joe Pettitt, it can be ordered on amazon.com for $13.27, there are a few other good books out there just look in the car section. Also find all posts in the forced induction forums on here, honda-tech.com, and dserieshonda, people with your same car will tell u there experiences- good and bad with it. I researched for about 8 months before I even ordered my kit.
2. Start out small 35 shot then to 55, and if u have balls and a strong motor a 75 shot. I purchased a Nitrous Express Import Single Fogger Wet Kit. It sprays nitrous and fuel through the same nozzle and into the motor. I have never had a problem with the kit, great quality and customer service.
3. Purchase the Gen-x 2 upgrade kit it comes with a purge solenoid and tube, blow down tube(required if u race at a NHRA track), bottle heater, gauge and adapter. Good investment.
4. A few tips while spraying, DO NOT spray below 3000RPM u will have what is called nitrous backfire, with a wet kit spray u fuel into your intake manifold, at too low a rpm the velocity of air is not traveling fast enough to pull the fuel in too so it will puddle in your intake manifold and kaboom!!!!!!!! I backfired once at the track- black smoke everywhere, thought I broke something. Do not spray until redline I stop at 7000rpm on my Z6.
5. I would HIGHLY recommend buying a NX TPS switch, it only opens the solenoids at wide open throttle so u make sure you are not running lean. I also hooked up a MSD rpm acivated window switch so the solenoids will only open between 3000-7000rpm's. The MSD sends out a 12V- ground signal out in the certain rpm range. The tps requires a 12V+ and 12V- to operate so I hooked the output of the MSD to the ground of the TPS so even if I am at wide open throttle I cannot spray until the MSD box reads between 3000-7000rpm, this is a failsafe way to ensure safety for u and your motor.
6. Have your car dyno tuned to ensure your air/fuel ratio is within an acceptable range, I paid $55 for three pulls and tuning at my local shop.
7. Buy a air/fuel gauge even if it is the crappy autometer one like I have, it will tell u things u WILL want to know.
8. Buy colder spark plugs. I was running NGK ZFR6F-11 (1 step colder), they were fine for a 55 shot but melted when I went to a 75 shot. I now run NGK BKR7E (2 steps colder) they have held up fine.
9. Retard your timing like the nitrous manual says, u dont want to melt a piston (or melt spark plugs like I did) because of the high pressures, and temps. FMIDRC Racer threw a rod in his 1.5 minime block with a 55 dry Zex shot.
10. Be careful nitrous like boost is addictive u always want to turn it up a notch, but our stock motors or clutches were not meant from honda to make that much instant torque and horsepower, you will need to do some mods to reap the benefits.
11. Have a good open exhaust I run a Apexi N1 full catback, with a test pipe. It is also recommended to get a good header to let all those extra exhaust gases exit faster. I dont have a aftermarket header because I am going turbo soon and dont want to waste the money.
12. Change your fuel filter
13. Check my other posts in the forced induction forum, I have a few and gotten alot of great responses, just do a search. D-series.org helped me build my Z6.
14. I have and do still smoke mustangs and alot of other cars, people are so suprised how I pull away from them and then open my hood and they only see 1 cam gear.
15. Good luck please email me with any questions at sammydhoff@yahoo.com
Below are my dyno numbers with a 55 wet shot:
(I now run with a 75 shot but havent put it on the dyno yet)

Run #1 (Stock w/ bolt-ons) Max Power 117.8 Max Torque 99.6
Run #2 (NX 55 Wet Shot) Max Power 158.3 Max Torque 162.7

Below are my mods.

Z6 w/ stock internals
stock timing
NX 55 Wet shot
AEM short ram
pulleys
no A/C
apexi N1 catback
straight pipe

[sammydhoff]

FMIDRC Racer, dseriesscience, transzex or anyone else chime in with anything I forgot or comments.:werd:

[transzex]

sammy hit about everything..........

Sir, do you have your dynofiles??????

I wanna see the torque spike :)

Few understand that N20 really helps low rpm power but tapers of at higher rpms, you have to learn to short shift on juice.

TORQUE is the answer!

What was the question?????

Oh yeah, his 55 shot only yielded +40.5 hp increase, but damn a big +63.1 torque increase!!!!!!!!

Think about what LAUNCHES your car fron a dead start...........

[jman30513]

ohhhhhhhhh....the torque!
why am i even running a turbo?....my nos flashbacks on my 95 gsr tell me why!
TORQUE!
ran a 100 shot wet kit and was awsome....no traction (torque!)
love to see the dyno sheet on that 1.5 wet kit set up please
may convert me back to NOS!
lol
jman

[sammydhoff]

transzex and jman30513 below is my dyno sheet, and yes the instant torque is one or the reasons why I want to stay nitrous, but boost is there all the time.

[jman30513]

hey man
just got your email and go here....
http://www.d-series.org/forums/vbgarage.php?do=view&id=2488
theres all the details on my car
jman

[sammydhoff]

Couple questions, have u dynoed the car yet with the turbo kit, how much boost are u running, and did u make that shelf for your MSD Ig?

[ryan89crx]

can we say....sticky? good info in this thread!!!

[S Q A D]

sticky done

[drkgrncvc]

Dude on the whole NOS issue.. it's cool running nos but at the same time alot of times its just safer to go turbo. dont get me wrong, ive ran nos in two different cars in the past 6 years and its awesome. but at the same time if youre careless with it, it can pretty much screw up your day. ive shot a rod through the front, bottom, and the rear of the block before sprayin nos (that was me being careless). another time i spun a bearing, also ruined my day. Although if you do wanna go the nos route, id go with the Zex kit, it comes with a lil box with a few wires that run to your tps, which basically just pick up on wot, and thats the only time itll activate your nos. it took me bout 4 hours installing it, that was from the moment i opened up the box to the moment i programmed it.

Holy smoke Batwoman I have that kit for sale. :bubbrubb:

[sammydhoff]

Why dont u try reading my entire post again mabye two or three times, and then respond. Try getting instant torque like me with turbo. Sorry not gonna happen, oh yea how much did u spend on a turbo kit with intercooler, piping, BOV and RELIABLE engine management? Think about it

[drkgrncvc]

Panties in a bunch?

Dude first off to each their own.. You might wanna read my post more than 2 or 3 times to understand what i said.. Hmm lemme see I-I-I-I-I-I-I h-a-v-e b-e-e-n running nos for quite a few years. I never knocked the nos other than you have to be careful..


Did you ride the short lil yellow bus as a kid by any chance?

[FMYStreetRacer]

the rpm switch is a good idea and if you don't have that i reccomend having a chip done with a higher rev limit. i used uberdata and raised my rev limit to 8500 rpm just to be safe. i will also tell you that what ever you do don't spray a 1.5 liter!!!!!!! i didn't read what motor you are going to spray but i will tell you that i had my zex kit with the 55 shot tuned damn near perfect and as soon as i put the bottle heater on and got a little more power of the nitrous it snapped a rod the first run. i ran a bottle without the heater and checked my plugs evey other time that i sprayed. then the first run i made with the bottle heater on it blew. then i sprayed about 5 bottles through my z6 motor and it was running a bit lean for a while but it was always ok, motor is still in there.

the main thing is just always check your plugs. i'm not sure if you really need to go to a dyno but if you can find a deal for $55 i would do it for sure. nitrous can be your best friend or your worse enemy. it sure is fun though.http://naplesracing.com/images/smilies/nxsmile.gif

[jobe_149]

wow... :!: :!: torque! I know at least 5 people that have safely run nitrous on stock motors with 35-50 shot.

[D16ZTEX]

Sammydhoff is right about the set up and taking caution with the nitrous(New to N2O). Rest assured, my D16z6 with 160K++ is handling the Zex 75 Dry Shot. I've only had it for a few months and the power just isn't enough, so I bought Arias 11:1 pistons and Eagle ESP rods and will be changing the jetting to 100 to 125 Shot. Although, I know I will eventually get tired of this set up and will be thinking about going turbo and NOS.

[zex97]

You better have good management to run 100 - 125 shot on 11:1 pistons.
:holla:

[5thgencivickid]

all about taking your time and learning on how to use it

[SohcEj8]

It seems like too many thigns can go wrong, that's why I stay away from it.

[Jdmaltezzacivic]

Well im running a Nos kit dry 75 shot and have ran a 90 shot one night at the dragstrip for the whole night well one full bottle then kept running. I have the following motor tranny and mods. 97 ex d16 y8 automatic was running stock internals all around for one season at the strip this year. I had a injen intake tsudo fireball cat back with a test pipe and complete nology ignition system aem fuel rail aem fuel filter and a apexi vafc only tuned by myself never on a dyno yet.Oh and a air fuel gauge and 1 degree colder plugs ngk zfr6 i believe is the right part number. I pulled consistant low 15's my best was a 15.2 at the southern oregon dragstrip in oregon. i ran a total of atleast 10 bottles on the motor and to this day a few weeks ago i ran a compression check on all 4 cylinders and i am at 190 psi 10psi more than stock. Not to sure why but i do have 125,000 miles on the motor. My point is with minor tuning and mechanical skills and researching everything you can run nitrous safely

[PornstaR]

Not to knock on you sammy about your info but you do not need a blow down tube unless your tank is in the same cabin as the driver... so if you have it in the trunk you do not need it, only if its a hatch or its in the drivers cabin and not seperated. And not to blow on your NX kit but after you bought all of the extras for your kit wouldnt it just have been cheaper, easyer and cleaner to just buy the zex kit??? And I belive Zex still makes the biggest purge solinoid too. Just a thought ya know.... oh and Ive had my zex kit since I bought my car brand new in 2000.

[BseriesKllR]

man havent seen you in ahile, anyway your correct about the blow down tube.

[hqr180]

any body sellin a nos, zex, nx kit , lemme know

[sohcbuilder]

there a shit load on ebay . .for decent prices

[sammydhoff]

About the blow down tube, when I wrote the thread I didnot have much experience at the track, but yes you are right about the rules, I needed a blow down tube because my car was stripped from the front to back with no seperation between the drivers compartment and the trunk.

[94d15z7hatch]

Hey bud, I was just wondering exactly what u meant by do not ever spray a 1.5 liter. I'm a little new to this whole import thing but I put a dry 100 shot on my 94 1.5 with 110 K on it and it put down 200 hp, 235 lb torque at the wheels on the dyno. I've yet to run the car on the street but I have a direct port wet shot coming for it soon and I was hoping you might be able to possible save me some time and money if u know something that I dont about d15's. let me know, thank. Matt

[Speed_Cult]

He he he... funny ^^^ Came here to seek out Snail Knowledge and some guy :beer: saying 100 shot on a stock 1.5 and it lived. So guys, that means I can run an easy 15 psi of boost on my stock 1.6 right? ;-)

DO NOT run a 100 shot from ANY nitrous kit on a STOCK motor.
Seen at Firebird Raceway in Phx, Az:
1. Rods through blocks
2. Blown head gaskets/ SEPERATED heads
3. Melted internals
4. ALOT of AAA tow trucks due to people educated by TFTF/2F2F

Ps. Yeah I'm partial to the pretty purple bottle and box too :)
Check with JDMism for a awsome price on kits.

[red_drak]

yes, a rpm swich is a idea nx express has a rpm activated window switch
i have one it kicks in at 3000 rpm and cuts off at 8300 rpm
you can buy differant rpm pills for it as well
it help prevent unnecessary mistakes or detonation

[slow91crx]

how do you guys think a jdm d15b would hold up to low boost ( around 7-9 ) with a 75 dry shot . with a apexi vafc managing it all?

[vg7z]

which kit is best? NOS, NX, or ZEX? im lookin for a dry 50 shot

[Rexinre]

Which ever one is cheaper! ;)

[vg7z]

i got another question

55shot wet? or 50 shot dry?

theres a local sellin a 55 shot wet kit...

or should i buy a brand new zex 50 shot dry

car is 94 civic ex d16z6...setup is .030 mill, zex 59300

[rotory20]

hmmm that stage 3 cam might be an issue because of the longer duration..
Ok here is an idea..
for hondas if someone has it..list the part number for the colder step plugs
And part number for wot and rpm switchs

[rrussell]

The plug I have been running and had excellent luck with is a NGKR5671A-8 and -10
They work great with just nitrous or nitrous and boost.

[24-7]

I love Nitrous. I would not use anything else.

[Rexinre]

And I love Turbo and would not use anything else.

[24-7]

Not to knock on you sammy about your info but you do not need a blow down tube unless your tank is in the same cabin as the driver... so if you have it in the trunk you do not need it, only if its a hatch or its in the drivers cabin and not seperated.


My bottle is on the passanger floor. I've never had a problem.

[d16y8 turbo]

Wattup to everyone any help givin will be used d16y8 to be fully turbo ed out to 400whp in the next 3 months bored an sleeved block to almost 1.8l strat rods je pistons 9:1.1 crower cam t3/t4 turbo port an polished head 5 angle job 450dsm injectors with a hondata ecu if an other help can be givin let me know :beer: :werd:

[91Bhatch]

im pushing my 50 shot venom kit on my 01 d17 . and on the 91 bhatch i got a small shot as well and they both haul from say 20 to 80 ... i love spray . the only lag i get from it is how loing it takes my foot to hit the gas pedal

[SQ is the SQUAD]

i am thinking about getting a direct port kit to run on my b20 i am building. i got a couple of questions because my situation is different. i am running dual mikuni sidedraft carbs and i am going to be making my own manifold. when tapping the runners for the injection must i tap and plug them from the top or can i hide them an tap in from the bottom? i read this entire thread, someone should give a quick rundown of a wet system vs. a dry system, i really dont know the difference

[Rexinre]

You should read the turbo FAQ thread at the top of this forum.

[BoogieDown]

I have a stock Z6 bottomend with a PnP Z6head. I bought a Zexdry kit used for 220$ and only has the 75hp jets. I have been told by a lot of people this will be fine on my stock engine and will give me nice gains. Have also been told by many people even though Zex says it will be fine that it is still unsafe. I have 210-220psi 20-35% leakdown across the board. I have never run N02 before and have read the FAQs and talked to people about this but for everyperson thats says i'll be ok I have another telling me otherwise. Should I play it safe and buy the 55 or65hp jets? This is my daily driver

[91Bhatch]

as long as you are smart with it you will be fine .. what i would suggest if you are scareda bout spray and just want say that 50 shot for a small boost .. go with like the venom 1000 kit .. for the price its a great kit and all you really do is flip a switch and hit the gas .. but if you plan on more i would usggest a NX wet kit ( it has the ability to up grade ) the venom kit doesnt really allow us 4 bangers to have anyhting ibgger than a 75 shot ... depends how strong your motor is though LOL

[civicspy70]

I had the venom R500 nitrous system in my civic. I was running a 35 shot. I only paid 299 usd for it and compared to the money i wasted on exhaust and intake it was money well spent. The kit was as safe as safe can be. SOme times if i hit the nitrous to long it would run lean but the computer stop the nitrous spray and saved my motor numerous times. The only down side of the venom nitrous kit is that venom doesnt make a purge kit, the kits dont come with a gauge, but other than that its great. My kit was so small when i went to the strip i took out the tank and said i wasnt running it, then after safty inspection reinstalled it lol.no need for blow tube then

[asadkhan25]

SO im wondering about running a 50 shot on my D16 Z6 Stock everything except
Full Exhaust
Headers
CAI

the Venom VCN 500 kit is for 300 buks on ebay, and its so cheap compared to others, im wondering what the catch?

Moreover Dry or Wet shot?

and what about ECU tuning, I know i should get it re-programmed but just wondering whether it would work without re-tuning it cuz where i live, re-tuning is almost impossible.

and if i really have to re-tune it, how much would the VAFC2 help me with that. Keep in mind no Dyno's in my country.

Thank in advance

[whatthehell1051]

i think you should be fine but don't become nitrious happy and shot like crazy. you should also retard for timing some. I like zex you connect to TPS so you don't fuck up your engine. more money but saftey is worth it don't you think? if you wanna raise the shot you should upgrade rods.

[asadkhan25]

i think you should be fine but don't become nitrious happy and shot like crazy. you should also retard for timing some. I like zex you connect to TPS so you don't fuck up your engine. more money but saftey is worth it don't you think? if you wanna raise the shot you should upgrade rods.

Im supposing this reply was to my questions :) in which case would you please advice on some of the ECU questions i have too?

thanks

[SovXietday]

Ok, few questions. First of all, I want to go SC, but I just started researching NO2 and it looks to me like a 50 wet shot will put me right around where an SC would put me at... not to mention I can just turn it off and drive normally.

Would I have to run Premium all the time? Basically it's my DD. I'm looking at that Venom kit (VCN 1000) and I'd basically turn it on at the track or on a quick run. So maybe a few times a month, but I don't know when I would be flipping that switch. Basically the question is do I have to go Premium, or will it work with just 83?

And can someone explain totally how the Venom kit works. Is it literally flip a switch, and you get boost from 3000rpms up? No buttons yada yada?

[asadkhan25]

Ok, few questions. First of all, I want to go SC, but I just started researching NO2 and it looks to me like a 50 wet shot will put me right around where an SC would put me at... not to mention I can just turn it off and drive normally.

Would I have to run Premium all the time? Basically it's my DD. I'm looking at that Venom kit (VCN 1000) and I'd basically turn it on at the track or on a quick run. So maybe a few times a month, but I don't know when I would be flipping that switch. Basically the question is do I have to go Premium, or will it work with just 83?

And can someone explain totally how the Venom kit works. Is it literally flip a switch, and you get boost from 3000rpms up? No buttons yada yada?


As far as i know, for a 50 u might be ok with 83 but its always always always safer to go with premium, and safety is very very very important with nitrous given its power when things go wrong. As for the venom kit, i think it works with at WOT but with a module cutting of nitrous when its too lean. Now i havent used one but i have read few comments here n there where they say that the module doesnt work properly sometimes, it gives errors sometimes and sometimes it becomes too safe to even engage nitrous. It could be an isolated case or could be genuine problem with the fact that the computer module with these kits normally is installed under the hood where things could get hot alot and heat is never good for computer chips and stuff.

I have never used one but these are my takes after a month of research now. Personally i like to rely more on mechanical stuff than electrical. So its Zex or NX for me.

[hellsol93]

this is all great info. thanks everyone for your input on this thread it will be used as a future resource.

[Willie S.]

I've sprayed an 85-100 shot on a bone stock d16y8 for over 2 years now. N.O.S. wet kit with straight 116 leaded. Havent had the first problem.

[latapx]

As for never spraying a 1.5, my 94 DX hatch and its 1.5 were being sprayed by a 90 dry shot for about 20,000 miles at about a bottle a week with no problems. I ran a bottle warmer and would spray @1000-1100psi. As was stated in the first thread, you have to have certain "safeties" with nitrous. A TB switch and window switch are the easiest ways to be sure that you are only spraying when its safe for the motor. Proper plugs, upgraded fuel pump and an exhaust system with more flow will only help produce the most power.
The first limiting factor is how much fuel you can supply to match the nitrous going into the motor. As long as there is enough fuel to match the extra oxygen in the motor, you won't lean out. The second limiting factor is the physical limits of the stock rods. Anything over 90-100 shot and you are deathly close to the limits of the stock connecting rods. They will twist and snap like a toothpick...i found out the hard way by spraying one day when the bottle was too hot (Florida Summers) and made the choice to spray even though I knew the bottle pressure was too high. My stupid mistake, I learned, now don't do the same! Keep bottle pressure 1100psi or lower and you should be safe if all other things are in order.

[Carl-Cox-]

Thanks latapx for that post, that has really reasured me to a point. I just got a 50 shot put onto my d15b7, and hearing all these stories not to spray an 1.5, it kinda left me feeling quite worried. Ive done quite a bit of research on nitrous and im in the process of changing my plugs to one step colder ngk's. However i did run all night on stock plugs and 87 octaine fuel :o . As you said the fuel is the crucial factor in nitrous, Is it worth getting a fuel pressure switch ? are they any good ? i dont really wanna do the fuel pump at this point.

Also another point, how long do u spray for ? i have been reading not to do it more than 20 secs at a time. Another thing , do you have to let the motor cool down. or can you wait like 5secs then use the nitrous again. I have also been reading not to do it in 4th and 5th is this also true ?

Sorry for all the n00b questions. but id like to keep this motor for some time :)

[latapx]

More than likely the "don't spray a 1.5" stems from the fact that in general the 1.5 rods are weaker than the 1.6 rods. Stay within the physical strength capacity of the rod and the motor will stay together.
I wouldn't spray much longer than a 1/4 mile run. The longer you spray the higher cylinder pressures and temperatures will rise. It is possible (even when properly tuned) to burn valves or melt stuff if you spray for a prolonged period of time. I would definitely run premium as insurance against detonation which can destroy the motor, also, an upgraded fuel pump is cheap insurance against your fuel pump falling short on flow and leaning out the mixture. Nitrous is fun, but is you want to do it safe you have to do it right...no shortcuts.

[ImportCarPartsPlus]

There is some pretty decent info in here.

[civic_man]

Im spraying my d15b7 with a zex 55 wet shot and a bottle heater

-If you run lower than 92 octane there is a high risk of engine damage.
-Dont spray below 2500rpm
-There is no need to retard timing with a 55 shot UNLESS you have a chipped ecu that advances timing, then you have to retard it back to stock.
-WET SHOT is Way safer than a dry shot and the slight increase in price is very worth it.
-Zex kits are easier to install than any other kit.
-After you spray you can look at the colour of your spark plugs to see if your engine is running to rich or too lean. I still need to do that... Rainbow looking=too much nitrous, black=too much fuel

The only part that may cause some confusion is wiring the TPS. But as long as you know that the lead wire is the middle wire on the back of the throttle body you're in good shape.

happy spraying

[latapx]

Im spraying my d15b7 with a zex 55 wet shot and a bottle heater

-If you run lower than 92 octane there is a high risk of engine damage.
-Dont spray below 2500rpm
-There is no need to retard timing with a 55 shot UNLESS you have a chipped ecu that advances timing, then you have to retard it back to stock.
-WET SHOT is Way safer than a dry shot and the slight increase in price is very worth it.
-Zex kits are easier to install than any other kit.
-After you spray you can look at the colour of your spark plugs to see if your engine is running to rich or too lean. I still need to do that... Rainbow looking=too much nitrous, black=too much fuel

The only part that may cause some confusion is wiring the TPS. But as long as you know that the lead wire is the middle wire on the back of the throttle body you're in good shape.

happy spraying

There are different schools of thought on the dry vs. wet setups. What I was taught by person that knows way more than me and that i respect is the following....
Intake manifolds were designed to flow air, not liquids. when using a wet shot fuel will have a tendency to disperse throughout the manifold unevenly, even often pooling in some areas. This means that individual cylinders have the potential of running at different A/F ratios which is not good. With a dry shot, you only inject nitrous (a gas = air) and the additional fuel is supplied by the fuel injector through an increase in fuel pressure. There are limits to both types of use. Perhaps the best compromise would be to use individual nozzles in each intake runner as close to the head as possible and spraying at an angle that insures that there won't be any changes in direction (straightest path into the combustion chamber). This would give you the "safety" of the wet shot along with the even fuel distribution into each cylinder...as long as all of your fuel/nitrous lines are equal length to be sure there is equal resistance along all paths.

[SLO SOHC]

So in the zex kit you have a WOT switch but in order for it to work you must turn it off... so going down the track hit second and flip switch to spray then flip it off???

This is the only part that confuses me...

[Carl-Cox-]

a WOT (wide open throttle) switch is like a secondary switch which only turns the solinoids on at full throttle. You also have another switch which is just a master switch which will enabled/disable the WOT switch to work.

[civic_man]

a WOT (wide open throttle) switch is like a secondary switch which only turns the solinoids on at full throttle. You also have another switch which is just a master switch which will enabled/disable the WOT switch to work.


on my zex kit i have an activation switch, it turns the nmu on and activates the system including the WOT activation. not two switches, not sure where ur getting that...

[civicspy70]

My zex kit basicaly has that built into it. White wire runs to the TPS and i have a toggle switch that i flip on, as soon as i am WOT, it start's spraying

[civic_man]

yea exactly what he said ^^^^. by the way, how do you like your jdm d15? did you used to have a d15b7 and then swtiched? if so did you notice a difference? ever ran the 1/4 mile with spray

[mr.Blacksko]

agree

[nut_sax]

thanks for the tips guys

[stevex]

D16y8, w/AEM v2, DC 4-1 Headers, and a little 55 shot of the dry zex. Was just wondering what you guys think the 1/4th mile times would be around?

[civic_man]

well the n/a mods on a d series will take like .1 of your quarter mile and a 55 dry shot gives you less to the wheels than a wet shot. you will be high 15's

[latapx]

well the n/a mods on a d series will take like .1 of your quarter mile and a 55 dry shot gives you less to the wheels than a wet shot. you will be high 15's

how do you justify that a 55shot dry will give you less wheel horsepower than a 55 wet shot?

[civic_man]

don't know how but i'll tell you its true.

[SPONSOREDCRX]

damn it now u guys got me looking into nitrous!!!

[civic_man]

nice rex man. if your doing nitrous its super easy power. dont go over a 55 shot though on a stock d-series unless you dont care about your engine like me. im swapping in an h22 so im gonna run 65's until i swap, maybe 75 on the last day the engine is in.

[SPONSOREDCRX]

nice rex man. if your doing nitrous its super easy power. dont go over a 55 shot though on a stock d-series unless you dont care about your engine like me. im swapping in an h22 so im gonna run 65's until i swap, maybe 75 on the last day the engine is in.
yea i was looking into a nx 50 shot awhile back, but i think i might by it now

[Orion]

What about the NX Incognito ?

It's just a small bottle with a solenoid, no fuel management included. Bad idea ? How can I make it work properly ?

[Carl-Cox-]

the incognito is just a dry kit by the looks of it, It would work but imo it would be a waste of time, coz its only a 1.4lb bottle id guess it would only last 1 maybe 2 passes. i say dont waste you money on it and get a kit with a bigger bottle. just a note i dunno for the rest of europe but in the uk, USA bottle are illegal to refill.

http://www.potn.co.uk/bottle-refills_c5214_6488_6754.htm

Also id recommend you take a look at the wizards of nos kits, imo they look to be very good. i wish i had a WoN than my NX

[Orion]

WoN : I know them from back in my Mini days, their kits do look good don't they. I like the silicone leads, it looks way more stealth than a braided hose. (I even put black tape around my audio wires :) )

I want to mount the bottle in the air duct that is behind the glove compartment. Total stealth is key. Something fire extinguisher-sized would be ideal. :grin: A small bottle + small jet keep me from spraying my daily driver apart too, as I'm aiming for a 140-150hp N/A D15.

I dunno, maybe I'll just get a Zex kit, sell the bottle and get a small OBX -eek :o - one.

[civic_man]

zex kits are waaaay easier to install than their competitor kits

[stevex]

Almost complete with installation of my Zex Dry Kit....just need to connect the vacuum hose to the fitting on the fuel pressure regulator, loved how easy it was to install. Changed the plugs to the Zex High Performance plugs, 143,000 on the motor, but only going to use a 50 shot....

[F1R3ST0RM]

Is anything different if you want to run say a 55 shot with an automatic transmission? People said you had to learn to short shift and all that but is it any different if you dont shift at all? And would the install still be the same?

[1slowSI]

sry to bother yall wanting to know how to post a question thanx

[stevex]

I wouldn't see how an automatic transmission would differ as far as installation...

[latapx]

sry to bother yall wanting to know how to post a question thanx

just like you did above...:o

[stevex]

Anyone have experience using nitrous on a JDM D15B? How strong are the rods/valves compared to other D series motors? Just got done with my swap and going to run at the track this weekend.

[civic_man]

jdm d15 has similar rods to a d16z6. id do a 65 shot but nothing higher, retard timing 2 degrees and use 92 octane or higher fuel with colder plugs and you will be just fine!

did you have a d15b7 in there before? do you notice a difference?

[stevex]

had a y8 in there before with to many miles on it (143,000) for nitrous, this motor has 34,000 so should be fine...

[okininam]

Panties in a bunch?

Dude first off to each their own.. You might wanna read my post more than 2 or 3 times to understand what i said.. Hmm lemme see I-I-I-I-I-I-I h-a-v-e b-e-e-n running nos for quite a few years. I never knocked the nos other than you have to be careful..


Did you ride the short lil yellow bus as a kid by any chance?



ive ran nos for several years too. its just like weed. its not internally healthy for the motor as far as longevity/stress, but its ok until you abuse it. its more user error/set up that causes problems

[stevex]

Scrapping the D15b and just going with a y8 that only has 30k on the motor, so going to run a 50 shot for a little while since the motor is nice and fresh.

[civicspy70]

I love nitrous, but i hate filling it up all the time

[civic_man]

filling the bottle does suck, thats why i want to go turbo

[stevex]

Anyone know of a place in Jersey that will fill a 10lb bottle without a license?

[HondataTek]

This is all to funny, first this isnt directed to anyone on here just a random thing so when i say "you" it isnt directed toward anyone.

YOU cannot tell me a 100 shot on a stock motor will blow it. IT dont matter whatyou say all it comes down to plain and simple is how the motor was taken care off, I have a 97 dx d16y7 with 21,000 miles and i have sprayed 100 shot at least twice a weekend and after every weekend i, change the oil, change the spark plugs and run fuel injector cleaner. I run a compression test after every weekend and i have yet to loose any compression, i dotn have any metal shavings in the oil and i have never fouled out a plug. ITs all in how you take care of your car, its all on how the previous owner took care of it. I run a safcII and i have NO issues with my kit wats so ever. I donnot hesitate to spray my car but then again i dont go out and squeeze the bottle from stoplight to stoplight. Be smart about things..

Im getting ready to put pistons, rods and valve springs with a delta cam in my car and im gonna spray 150. im not worried about it, its all in the maintance and engineering. Take your time, take 4 days to put the kit on your car if thats what it takes for you to not double think it. All you people talking about blowing your car up on a 100 shot becuase super street said so are wrong. If you must know there are only two kits in the world who say when your spraying a 100 shot it is actually 100 to the wheels and thats nitrous express and the tnt kit. companys like nos and zex say 100 shot but your actually only getting a 75 shot becuae there is a 25% loss at the drivetrain. Keep those things in mind when your building your kit to..

thanks
Windell

[singlecizam]

Nitrous is no more harmful than any other forced induction when installed properly....... PERIOD!

[smurfcivic]

Well ive been running a 75 shot on an nx wet kit for about a year now. I just upgraded my fuel pump from the stock 190 to i believe its a 255 walbro. My bottom end is stock. I ve been itching for the 100 shot. Do ya think she will hold or should i wait. If it is safe what are the 2 jet sizes needed. I just ran a compression check and im readin 200 - 209. I thought thats a good sign.

[wafflesincars]

Go for the hundred. HondataTek is absolutely right, the additional stress of a shot of nitrous will not cause any problems on a properly maintained motor. My friend and I installed the Nitrous Express wet fogger kit on his '87 Jetta GLI. That is a stock motor with 57,000 miles and the stock 10.5:1 cast pistons. Its still running beautifully four months later even with habitual shots because the car was maintained very well.

[smurfcivic]

I just wanted a few opinions first. I figured this would be the best place. Thanks for the help. Any other suggestions?

[smurfcivic]

Does anyone know what the jet sizes are for a 100 shot? I need the nitrous and the fuel sizes. On the d16z6 with the wet nx kit.

[stevex]

D16y8 w/ a little over 80k on the motor, should I possibly do a cam upgrade before running a 50 shot, or stock internals are fine...

[sohchx]

I'm afraid of NOS lol

[dubbedcorde]

i want nitrous but sorta scared to put it on a car with only 3,200 miles lol

[laloquera]

i have a few questions about nitrous, i read through this thread and it did answer a couple of them. My setup is : 92 CX z6 swap DC header, intake, 2.25" straight pipe, b18 TB
1.i just bought a NOS dry setup and im having a lil trouble setting it up is there anyone that would know where to get the instructions. i found the ZEX ins. but they werent much help

2. i will be running a 75 shot on my z6. i know timing has to be retarded 2 deg. and colder plugs. my friend suggested using plugs from something turbo like a supra or some DSM will this work? i picked up some bosh platnium for a supra TT

3. would 101 octane make running 75 shot a little safer?

4. i'll also be running an h23 FPR for a little more fuel. and maybe some DSM injectors is this necessary?

im just trying to run as safe as i can. thanks in advance
-lalo

[k4rts]

is a tune necessary with nitrous?

[singlecizam]

is a tune necessary with nitrous?Depends on alot of things.(What mods you have, what shot you plan on running) Generally, if your engine is running correctly, then with the right jetting it will run fine on spray as well.

[k4rts]

i was running a 100 shot for a while..stock internals..was prettyy quick. im now running a 50 shot, yawn..just ordered 75 shot and 125 shot jets.

[primercrxSi91]

i stay away form nos i no my dumbass would screw my engine up

[icoy22]

hahaha so would i just like my friend told me its like a girl with STD's you wanna hit but are just to scared of the outcome

[bootlegcivic]

so has anyone run nitrous on a d15b2 just curios if anyone has I might try it b4 my intake manifold swap ....if youve tried it what size shot did you use ?

[stevex]

y8 with AEM v2 Cold air, tsudo header, and a 75 dry shot of the zex vs. a early 90's del sol with a stock b16 and short ram.......outcome = ?

[t0p_sh0tta]

^ Should be obvious, but it depends on whether or not you can drive.

I have a question. I have a Y7 with a crappy B8 intake manifold. Would a small 50 shot (dry) hurt anything? I haven't installed it yet, but I will be running a P28 and the corresponding injectors (240cc or whatever they are in the Z6).

Compression is good, and I'd retard timing. If you couldn't tell, it's my first time spraying, so I'm being overly cautious.

[24-7]

so has anyone run nitrous on a d15b2 just curios if anyone has I might try it b4 my intake manifold swap ....if youve tried it what size shot did you use ?

I just put together a 10:5:1 d15b2 with d16a6 head. Crower rods, ross pistons, rings gapped for big nitrous... Im going to use 150shot on it.

[24-7]

i stay away form nos i no my dumbass would screw my engine up

You just have to know about it thats all.

[stevex]

D16y8 with I/H/E, VAFC2 untuned looking to see what you guys think, if I should run the 75 shot or I should just stay with the 55 shot and do a Zex (or Crower) cam, springs, and retainers? www.sohchonda.com got me all giddy when they wrote an article on "13 seconds under 3,000" with basically a 75 shot and some weight reduction....possible? Not sure if any of you guys read it, but it was definetly interesting. To me, nitrous is the most affordable way to 13 seconds, but they make it seem to easy.

[TurboedEk]

lol, im wonderig what people are running for spark plugs?


im running zex plugs, seems to last 6-8 runs
running 100 shot now
about to run 175 shot stock internals

[singlecizam]

lol, im wonderig what people are running for spark plugs?


im running zex plugs, seems to last 6-8 runs
running 100 shot now
about to run 175 shot stock internals

I run oem type R plugs on an 85 shot. I've had them last 2 bottles

[latapx]

I run oem type R plugs on an 85 shot. I've had them last 2 bottles

You should be using 1 or 2 heat ranges colder with an 85 shot. I used to be running a 90 shot through a 1.5l in my 94 DX hatch and with 1 heat range colder plugs I was going though a bottle a week and never had plug issues.

You should NOT run OEM heat range plugs on the bottle. Chances are the electrodes will melt and those bits of melted metal will start banging around inside your combustion chamber.

TurboedEK, if you are serious about a 175 shot on stock internals...I hope you're already looking for a new one.

[stevex]

TurboedEK just wondering what motor you play on running a 175 shot of Nitrous on? And I'm also running the Zex plugs on my y8 with a 75 Dry shot, seem to work very nice.

[24-7]

lol, im wonderig what people are running for spark plugs?


im running zex plugs, seems to last 6-8 runs
running 100 shot now
about to run 175 shot stock internals

I use stock Honda plugs and I im up to a 150shot. I put new plugs in after every pass with the nitrous.

[Orion]

I finally settled on these plans :

- d16a6 block, ported head, stock z6 gasket, ARP studs
- Eagle/TT rods, Arias pistons (the highest compression ratio available)
- blockposts + stock sleeves
- nice header (bisi or the like), 2,5" exhaust
- big cam (300+ adv duration, 430+ lift, LSA 11,2°)
- Webcams CG-601 camgear
- bored out TWM intake manifold with twin Mikuni PHH40 sidedrafts
- 45mm velocity stacks with socks
- small MoCal oil cooler
- crank scraper (if I can find one ! Ichihara-Johnson <sp?> seem to have vanished from the net...)
- ditch the vac advance and go for an MSD 8091 + Blaster coil with a CRX Si dizzy
- 250 shot direct port with progressive controller

I already got the head, carbs + mani, camgear and cam.
And a 50 dry shot that's useless to me now. :(

I'm going to put that stuff on for now with a milder cam and the MSD setup, and run a 75 shot DP on the stock block.

Sounds good, or have I missed something ?

[singlecizam]

You should be using 1 or 2 heat ranges colder with an 85 shot. I used to be running a 90 shot through a 1.5l in my 94 DX hatch and with 1 heat range colder plugs I was going though a bottle a week and never had plug issues.

You should NOT run OEM heat range plugs on the bottle. Chances are the electrodes will melt and those bits of melted metal will start banging around inside your combustion chamber.

TurboedEK, if you are serious about a 175 shot on stock internals...I hope you're already looking for a new one.

check around.... type R plugs are 1 step colder than OEM H22's

[singlecizam]

and just in case this info isnt posted, here are some good plugs for nitrous (or boost) NGK part #'s

BKR7ES 1 step colder

R5672A-8. 2 steps colder

R5672A-9 3 steps colder

[88rex_zc]

is it safe to run 55 shots in to my setup zc block with pm7 rods and pistons d16z6 head with ZEX 59300 camshaft and Ti valve springs skunk2 camegear atard 2 degrees felpro d16z6 head gasket.please let me know

[H2Bcivic]

i wanna run a 100wet shot on my z6. im running a 55 shot now but in order to run a 100 shot i would have to get arp main stud, arp head studs, rods, and pistons? i already have colder plugs, ported intake manifold, gsr tb, i/h/e. i wanna have a reliable 100 shot d-series..is there anything else i would need?

[singlecizam]

i wanna run a 100wet shot on my z6. im running a 55 shot now but in order to run a 100 shot i would have to get arp main stud, arp head studs, rods, and pistons? i already have colder plugs, ported intake manifold, gsr tb, i/h/e. i wanna have a reliable 100 shot d-series..is there anything else i would need?

A very good tune....

[H2Bcivic]

yea thats what i figured. i should have hondata by then and i kno the guy who runs the local dyno place

[wfocrx]

anybody know anything about tuning the car for nitrous via crome or any other tuning program. I was thinking about why people can easily make 100 more hp with a turbo and be safe and everyone saying that you will blow up w/ a 100 shot. I know when dealing with turbos and timing most tunes have about 1* pulled per psi, and usually peak torque and peak psi threshold are the same so when a turbo engine hits peak torque it has at least 5-10* pulled. If you would take out about 5* when the engine is at its highest cylinder pressure would it help out. I want to build a n/a d16z6 for a ef sedan I may be getting and be able to spray 75-100 shot at the track.

[24-7]

I was thinking about why people can easily make 100 more hp with a turbo and be safe and everyone saying that you will blow up w/ a 100 shot.

Thats not true at all. They are just scared of big nitrous shots.

[Orion]

Yeah, 100hp = 100hp. It's all in the tuning and not in the method.

[singlecizam]

Thats not true at all. They are just scared of big nitrous shots.Not I....lol

[SOHCinWA]

100 wet nitrous if its tuned right, you shouldnt have an issue. If its not tuned, you will be burning lots of exhaust valves. Dont really worry about the studs. I would go for stainless valves first with anything over 80hp. Good Luck, Don

[stevex]

You guys wouldn't suggest block work with my setup right? What should I focus on to play it safe?

[Aynatix]

Very Helpful Information:

I'm going to clairfy a couple of things on nitrous oxide systems. I ran small zex nitrous kit in my tiburon (50 shot). First, he was almost correct in why people use it... It has a better oxygen density than normal air, not oxygen/nitrogen ratio. The nitrogen is just along for the ride. I guess you could argue that air 78% in nitrogen... but blah. Nitrous oxide just contains about 70% more oxygen per square inch than normal air. Second, he didn't mention this, but it's a good thing to throw in here: Contrary to popular belief, nitrous oxide will NOT burn. N20 is in all reality the ashes of burnt nitrogen. It supports the burning of over substances... At 572?F, the molecule breaks down into free oxygen (yipee!) and nitrogen. You can then add more fuel which means more power (woot!). Third, nitrous oxide does not heat up your engine, and does not cause any greater pressures in your engine(turbocharging or supercharging does that). Nitrous oxide enters your engine way below zero and actually cools things down quite a bit (down to 60 degrees). The danger of nitrous oxide is the same danger of grain dust in grain elevators. You get your stoichiometry too low, and the fuel/air/nitrous mixture will ignite while the piston is moving in a vertical direction causing severe engine damage (Worst case: con-rod blowing through the bottom of your engine block!) If in doubt, add extra fuel. It is better too rich(vroom) than too lean(bang). Nitrous is really fun kids! Avoid your redline though, your engine will caught off the fuel at a certain rpm (leading to high o2 ratios and bang, pre-ignition) It can be added to most cars with no problems, and as long as you are conservative with your fuel/air/nitrous ratio, it's coolest thing ever. Kiss your factory warrenties goodby like a real man! -Jon


I did not write this.
The post is from a blog somewhere and it answered a question of mine.
I wanted to help out others, so I posted it.

My question was about redlineing and if your supposed to do it or not..
Answer: Do not redline. :TU:

[hondaguy]

....

[Aynatix]

....
:stupid:

[95 vtec]

Dude on the whole NOS issue.. it's cool running nos but at the same time alot of times its just safer to go turbo. dont get me wrong, ive ran nos in two different cars in the past 6 years and its awesome. but at the same time if youre careless with it, it can pretty much screw up your day. ive shot a rod through the front, bottom, and the rear of the block before sprayin nos (that was me being careless). another time i spun a bearing, also ruined my day. Although if you do wanna go the nos route, id go with the Zex kit, it comes with a lil box with a few wires that run to your tps, which basically just pick up on wot, and thats the only time itll activate your nos. it took me bout 4 hours installing it, that was from the moment i opened up the box to the moment i programmed it.

Holy smoke Batwoman I have that kit for sale. :bubbrubb:
whats wot?? sorry if I sound dumb

[crazi-85crx]

whats wot?? sorry if I sound dumb
WOT stands for Wide Open Throttle... so step on it! :p

[Brad Pitts]

whats highest compression u can run on a street sohc wit nitrous? im lookin to go wit like a 150shot direct port on a fully built mtr

[SOHCinWA]

Explain "On a street sohc"..... A daily driver?

[xotic_crx]

Oh man, i forsee a bunch of blown motors coming from this group...

[J_Dog]

Oh man, i forsee a bunch of blown motors coming from this group...

LOL^^^


So, think this set up is asking to blow up: a6 block, crank, rods / y8 head, crower stage 3 cam, springs and TI retainers / p29 pistons at 11.5:1 / 4-2-1 header, test pipe, 2.5" exhaust. With a ZEX EFI Wet Nitrous System - 4cyl Direct Port jetted at 50-100.

[doe]

i had 120 shot direct port on my z6 and it fine the only thing was that i had 2 run on race fuel c16 everytime i ran stock block msd upgrade fuel pump and a stage 2 cam low 12s

[Disco]

To all the nitrous haters... your a bunch of ignorant retards that follow the old school herd. Heres an idea do some research of your own and stop listening to the rest of the tards out there.

I believe the main 2 reasons people hate on the nitrous is cause back in the day it was a misused power adder and some hillbillys blew up their firebirds and mustangs. Nowadays that rarely happens.

Also because you never see a factory car come equipped with nitrous. So that scares the little sheep. They would rather go out and spend 30k on a STI or EVO and not have to work on it to be moderately fast. Stock turbos are for lazy sheep.

I myself love all types of FI especially No2. I spray a 100 shot at my fully built integra at the drag strip all the time numerous passes a night. Keep in mind I have half a brain and have the car tuned on Hondata with all forged internals. Good luck making the tourque with an equal turbo that I make.

[J_Dog]

Also because you never see a factory car come equipped with nitrous. So that scares the little sheep. They would rather go out and spend 30k on a STI or EVO and not have to work on it to be moderately fast. Stock turbos are for lazy sheep.

Rep for you! :TU::TU::TU:

[boostdeliquent]

Honda CRX HF + H23A1 + 12.1:1 CR + Crower Stage 3 cams + ZEX 75 Shot = ...........................



We will find out soon enough. :p


Edit: I did just think of one question. With my all motor build iirc I will need to use colder plugs for the higher compression. Now with that said, will I have to use even colder plugs when I add the spray? So for example, my plugs are 2 steps colder, would a need a plug 3 steps colder with the spray?

[greasemonky50]

ok read every single last page. makes me wanna go the nitrous way for the track.

i know so far from what i see zex is the way too go. but my friend is selling his compucar nitrous set-up what do you guys think of this brand.

[greasemonky50]

anybody

[boostdeliquent]

I've never heard of it. Have you tried a search on H-T?

[greasemonky50]

I've never heard of it. Have you tried a search on H-T?

nothing comes up just 3 for sales no info.

[boostdeliquent]

Try posting up a new thread on here then. I just had to for my H23 build w/ nitrous.

[greasemonky50]

here is the link to the actual site

http://www.compucarnitrous.com/

[boostdeliquent]

here is the link to the actual site

http://www.compucarnitrous.com/

Looks cheap IMO. I'd go w/ a reputable company.

[greasemonky50]

yeah i noticed that lol

[boostdeliquent]

yeah i noticed that lol

Yeah, if they only put that much effort into their website, imagine the effort they'd put into customer service and the kits themselves. Granted I don't like to criticise what I've never used or heard anything about, that site just doesn't seem right to me. Kinda reminds me of those fly by night companies that are there to make a quick buck and then vanish.