Nitrous Setup

[Snakes709]

I know im not the first, but i havent seen alot of nitrous setups on the other forums on our trucks. So i did mine kinda in the dark sort of speak. That being said, i have installed a Zex nitrous system (100 shot) with purge, bottle heater and window switch. I installed a single fogger in my intake pipe, but im seeing quite a few setups with duel foggers drilled into the IM over each inlet. Is there a reason for that? Will the nitrous/fuel not get to certain cylinders if i have it in the pipe? Or is it just personal preference? I havent sprayed yet so thats why im asking. Heres my setup

Still need to clean up the wires under the plastic.

 

[LitemUp]

The only thing I would have done differently is to mount the bottle pointing forward. Other than that nice clean install.

 

[Snakes709]

Any reason why you would mount the bottle pointing forward?

 

[phxpoolguy]

Any reason why you would mount the bottle pointing forward?

Because the pick up tube is at the bottom of the bottle, I think your fogger should be closer to the front of the intake after your IAC sensor or its gonna read the cold nitrous air and adavance your timing if I understand what it does correctly.

 

[LitemUp]

The bottle has a feed line that goes to the bottom of it. Facing it forward keeps the liquid where the line is when you hit the gas (sorta like a straw) you want to make sure that it only picks up liquid NO2 and not gas.

 

[Snakes709]

I knew that about the bottle, just didnt think it would matter if the bottle was 90* sidways, seen quite a few setups like that.

Because the pick up tube is at the bottom of the bottle, I think your fogger should be closer to the front of the intake after your IAC sensor or its gonna read the cold nitrous air and adavance your timing if I understand what it does correctly.

Still new to nitrous systems so forgive me, but how will it advance my timing? If my tune is set to lower my timing by 4*, how will it advance itself? I can understand it reducing timing but i never heard of a ECU/PCM advancing timing on its own.

 

[phxpoolguy]

I knew that about the bottle, just didnt think it would matter if the bottle was 90* sidways, seen quite a few setups like that.



Still new to nitrous systems so forgive me, but how will it advance my timing? If my tune is set to lower my timing by 4*, how will it advance itself? I can understand it reducing timing but i never heard of a ECU/PCM advancing timing on its own.

I heard that it reads the air temp and adjusts the A/F from that reading, just saying what dyno guy has told me. I wouldn't run the nitrous before that sensor though, worse case you're gonna mess it up with the nitrous. You can run bottle side ways but but you won't get full use of bottle I would think. Looks better facing forward anyways.lol

 

[LitemUp]

I knew that about the bottle, just didnt think it would matter if the bottle was 90* sidways, seen quite a few setups like that.



Still new to nitrous systems so forgive me, but how will it advance my timing? If my tune is set to lower my timing by 4*, how will it advance itself? I can understand it reducing timing but i never heard of a ECU/PCM advancing timing on its own.

Your IAT (Intake Air Temp) sensor will send a signal to your ECU that will advance the timing. With the nozzle in its current location they diffinetly will affect the IAT sensor (when the nitirous is triggered it sends a very cold blast of air through your intake the sensor will send a signal to the ECU telling it has denser air and will advance timing). This is not a bad thing some folks like the nozzle further back down the intake some like it right infront of the TB both have pros and cons.

 

[Snakes709]

Well this is something can be adjusted by tuning right? The nitrous is going to cool the IAT no matter where it is. If the fogger is after the sensor, the ecu wont do anything, if its before the ecu will detect the cooler temps and advance timing. So in theroy couldnt I do a dyno run while data logging, see how much timing is being advanced, adjust the tune and take the timing away?

I do have all the parts for a second line. (had the kit on my 370z before i sold it). But i just dont like the idea of drilling holes in my IM.

 

[Slitherbeast]

Seems , with that 60 ft, that things are working great! but you should point the bottle valve to the front like the instruction suggest. the system needs liquid nitrous to work properly. if the bottle gets empty and pickup tube gets gaseous nitrous you will lose pressure and flood the engine with to much fuel! and the cavitation in the supply line will kill the solenoid as well! use GOOD fuel to launch like that!!! 91 octane isn't good enough for the launches! you are creating alot of cylinder pressure which will lead to detonation. These engines won't/don't last long with detonation!!

 

[Snakes709]

Seems , with that 60 ft, that things are working great! but you should point the bottle valve to the front like the instruction suggest. the system needs liquid nitrous to work properly. if the bottle gets empty and pickup tube gets gaseous nitrous you will lose pressure and flood the engine with to much fuel! and the cavitation in the supply line will kill the solenoid as well! use GOOD fuel to launch like that!!! 91 octane isn't good enough for the launches! you are creating alot of cylinder pressure which will lead to detonation. These engines won't/don't last long with detonation!!

Didnt really feel like drilling more holes in my truck bed but i guess i will have to. I havent run the nitrous on the truck so i hope my 60ft time will be nice. Also the gas stations here are 93 octane for premium and the Huskeys gas stations all have 94 octane. Torrie has done my tunes so i trust him. That being said, when my SCT Tuner does arrive, ill be doing dyno runs and sending the results to torrie to get adjusted if need be.

 

[Slitherbeast]

if you look closely to JMB's setup , he has 2 nozzles drilled in the intake , a purge solenoid and a dry shot into the intake tube! so , where you have it, works but the fuel may fall out of the stream and splash against the corner of the tube and have unequal distribution into the manifold. CHECK YOUR PLUGS often and learn how to read them. ALL OF THEM !!!!! not just the easy ones to get to . With only a 100 shot and -4 degrees of timing , you will probably grenade the diff before to much engine damage !! lol have fun!! nitrous is a blast!!!!

 

[Snakes709]

would a throttle body spacer work? Seen one on a nitrous site, said it was for the Gen 3 viper, it looked like it was a single inlet like ours.

 

[Bone]

Your bottle will be find like it is. You will only have to worry if it is near empty to get the last few drops during acceleration. You have it tilted up per spec too.

 

[Bone]

You can turn the bottle slightly to the front with the label forward. This put the pickup tube in the best location.

http://www.thirdgen.org/ednitrous

 

[phxpoolguy]

I would just move the fogger so its facing the TB and move the bottle facing forward, keep it simple. You'll only get 5 decent passes with a 100 shot anyway, the last few pounds in the bottle never get me a good pass, then you always run the risk of too much fuel without nitrous which is not good for the motor either.

 

[Snakes709]

Yea i already turned the fogger around after i took the picture..lol. Thanks for the info guys, if you got anymore keep it coming. Once the snow melts im going to put on a 55shot just to make sure its all work right and no leaks, then ill change the jets to 100.

 

[WA 2 FST]

Yes, please let us know how it works out (with 55hp shot and then 100hp shot). I've run nitrous on several past vehicles without any issues at all, and would be interested in doing it on my truck too.

I think if you're conservative, like you plan on being, you should be ok. What plugs are you going to run?

If I do mine, I'm putting my bottle behind the passenger seat, and it won't be facing forward either. While I agree with the others that facing forward is optimum, Bone is right in that it can be turned sideways like you have it. With a good bottle heater, you can get good pressure until you get to ~1.5-2lbs left in the bottle, and then it is time to refill... no matter how you have the bottle facing.

Not trying to jack your thread, but wanted to ask this ? It is on-topic, so maybe it will be helpful to all of us. If it is inappropriate, let me know and I'll delete it.

Tuning question ... with a smallish shot (55-100hp shot), can you run stock timing advance and just tune the nitrous via the fuel/NOS jets to make sure fuel enrichment is good to achieve a safe A/F ratio? Or, asked another way, is it mandatory to pull timing when running a conservative shot like this? Reason I ask is I do not want to compromise N/A performance (exception being a colder plug gapped a little tighter...which doesn't hurt N/A too much)...just another reason I have always run a small shot of the giggle-gas.

 

[Venom Power]

I got pretty much the same system setup as you did Snakes (ZeX 100 shot). Only my jets shoot into the underside of the throttlebody. And like you I haven't sprayed yet either. What's probably silly is I'm too damn worried about trying it out. I've only hit the purge every now and then to see the pretty red glow. :dontknow:I still want it dyno-tuned before I activate it though.

 

[Snakes709]

To WA 2 FST from what i gather from the instructions it says you can go to a 50shot without taking timing off, whether or not the AFR has to be adjusted, iiunno. That being said, i sure as hell wouldnt take the risk with this engine, thats big gamble your already playing with fire by using nitrous.

And venom power, i know how you feel about being nervous. Going back to my last statement, i could have put like a 25 shot in my 370z just to see what it was like but i never wanted to do it without my tune. Torrie made my nitrous tune but its still at the border. Soon as i get it ill hit the dyno. Just wondering where did you get your bottle mount, that is bad ass.