Nitrous Discuss dry, wet, and direct port nitrous setups. How many shots can you handle?

Nitrous newb. Basic questions I couldn't find in the faq.

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Old 07-28-2004 | 03:10 AM
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Nitrous newb. Basic questions I couldn't find in the faq.

So... I've ended up with some questions I was hoping some of you guys could answer.

1.How many shots can our internals handle? (stupid question... I know... )
My ricer math tells me... if a blown VQ can make 300-400hp ish... then...
with a baseline of 160ish hp... I'm looking at about 150 or MAYBE even 250 shots (if there is such a thing).

2.I know traction is an issue since nitrous power is instantaneous, so... off the line... how many shots am I looking at? (assuming I have a rock solid clutch)
Again, by ricer math, I'm guessing at most 35. Maybe 50 if you're on slicks and you've got some sort of LSD.

3.You CAN or CANNOT be juicing when shifting, which?
I'm thinking... no biggy on a manual with a WOT switch.. but what about on a automatic? or should a vb or drop res mod be able to handle that?

4.Retarding your ignition seems to be one of the key issues in high power nitrous systems to prevent detonation. I know you can get a ecu, or the other thing that allow you to specifically set the timing. BUT, the cheap-n-eazy way out guy in me says... have a switch on the KS so that when your juicing, cut the KS sensor lines so the that ECU throws the "SAFE MODE"... shouldn't that retard your time enough?
My concern would be.... I guess I'd have to reset the ecu everytime I throw the KS switch so that it can adjust for it again... and... the fact that the ecu NEVER adjusts quickly..
Has anyone thought about or tried this?

5.How do you, or what controls the AFR?
I've seen some pics and looks like everyone is jetting after the MAF.
So, how is the ecu adjusting to add more fuel (in a dry system).
Or, what's controlling the amount of fuel being added (in a wet system).
(Is it the jet itself???? Larger aperture... more fuel.. kinda math?)

I hope these questions aren't stupid and I really hope no ones feel like it's a waste of time to read/answer these...

But, then again... I'm a nitro So, Flame On. I deserve it.
so many more questions... but knowing some of these would help out a lot.
Old 07-28-2004 | 04:56 AM
  #2  
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Originally Posted by DaBombX
So... I've ended up with some questions I was hoping some of you guys could answer.

1.How many shots can our internals handle? (stupid question... I know... )
My ricer math tells me... if a blown VQ can make 300-400hp ish... then...
with a baseline of 160ish hp... I'm looking at about 150 or MAYBE even 250 shots (if there is such a thing).

2.I know traction is an issue since nitrous power is instantaneous, so... off the line... how many shots am I looking at? (assuming I have a rock solid clutch)
Again, by ricer math, I'm guessing at most 35. Maybe 50 if you're on slicks and you've got some sort of LSD.

3.You CAN or CANNOT be juicing when shifting, which?
I'm thinking... no biggy on a manual with a WOT switch.. but what about on a automatic? or should a vb or drop res mod be able to handle that?

4.Retarding your ignition seems to be one of the key issues in high power nitrous systems to prevent detonation. I know you can get a ecu, or the other thing that allow you to specifically set the timing. BUT, the cheap-n-eazy way out guy in me says... have a switch on the KS so that when your juicing, cut the KS sensor lines so the that ECU throws the "SAFE MODE"... shouldn't that retard your time enough?
My concern would be.... I guess I'd have to reset the ecu everytime I throw the KS switch so that it can adjust for it again... and... the fact that the ecu NEVER adjusts quickly..
Has anyone thought about or tried this?

5.How do you, or what controls the AFR?
I've seen some pics and looks like everyone is jetting after the MAF.
So, how is the ecu adjusting to add more fuel (in a dry system).
Or, what's controlling the amount of fuel being added (in a wet system).
(Is it the jet itself???? Larger aperture... more fuel.. kinda math?)

I hope these questions aren't stupid and I really hope no ones feel like it's a waste of time to read/answer these...

But, then again... I'm a nitro So, Flame On. I deserve it.
so many more questions... but knowing some of these would help out a lot.
I would not run more than 125 shot on our cars. This will only last about 5 runs or so that last 10 seconds. I would run about 35-75. Trust me it will be enough. Yes with anything over 35 shot, traction is a major problem in first gear on a 5spd Maxima, however an auto will be ok with 35 shot. Anything more and you will spin first gear. SO spray from second and up with using higher shot. On auto you want to spray while shifting, gives better et. Deff. get a VB mod and cooler. Slicks can hold the power if you get proper size. Get one to two step colder plugs for your car. It will keep your car safe. For your 5th question, get a wet kit and dont worry about fuel.
Old 07-28-2004 | 06:20 AM
  #3  
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Originally Posted by DaBombX
So... I've ended up with some questions I was hoping some of you guys could answer.

1.How many shots can our internals handle? (stupid question... I know... )
then why ask it? Were you expecting "the VQ30DE can handle 42 35hp shots, 17 50hp shots, and 1 gawd-almighty 75hp shot"?

Here's a useful link that explains a lot about how nitrous kits work:
http://www.ny-trex.com/html/nitrous_101.html

My ricer math tells me... if a blown VQ can make 300-400hp ish... then...
with a baseline of 160ish hp... I'm looking at about 150 or MAYBE even 250 shots (if there is such a thing).
Most of the turbo'd Max's are dynoing ~300hp. Sure some are near 400hp and Hal dyno'd over 500hp I think, but these are not daily-driven numbers. Nitrous jets are metered out to give you a stated hp figure dyno'd. If you're a nitrous newbie then you're not looking at a 150-250hp shot.

2.I know traction is an issue since nitrous power is instantaneous, so... off the line... how many shots am I looking at? (assuming I have a rock solid clutch)
Again, by ricer math, I'm guessing at most 35. Maybe 50 if you're on slicks and you've got some sort of LSD.
When you say how many shots, you're asking how many times can you activate nitrous for a given period of time from a given bottle size. What you should be asking is how big a hp shot you can take off the line without spinning. That depends on what compound you're running on and if you have an lsd.

3.You CAN or CANNOT be juicing when shifting, which?
I'm thinking... no biggy on a manual with a WOT switch.. but what about on a automatic? or should a vb or drop res mod be able to handle that?
Answered already.

4.Retarding your ignition seems to be one of the key issues in high power nitrous systems to prevent detonation. I know you can get a ecu, or the other thing that allow you to specifically set the timing. BUT, the cheap-n-eazy way out guy in me says... have a switch on the KS so that when your juicing, cut the KS sensor lines so the that ECU throws the "SAFE MODE"... shouldn't that retard your time enough?
Nothing "sets" timing for you unless it's an ecu reflashing. The Safeguard retards timing when it detects detonation. I have no idea what the ecu "safe mode" is, or whether or to what degree it throws back timing. But if this hacked route is what you're willing to explore, well good luck. Colder plugs and higher octane fuel limit the onset of detonation. Jim runs 100-150hp shots but dual stage I believe and with race gas 114 octane.

5.How do you, or what controls the AFR?
I've seen some pics and looks like everyone is jetting after the MAF.
So, how is the ecu adjusting to add more fuel (in a dry system).
Or, what's controlling the amount of fuel being added (in a wet system).
(Is it the jet itself???? Larger aperture... more fuel.. kinda math?)

I hope these questions aren't stupid and I really hope no ones feel like it's a waste of time to read/answer these...

But, then again... I'm a nitro So, Flame On. I deserve it.
so many more questions... but knowing some of these would help out a lot.
Just read more in this forum. Go back at least a year and browse the threads. There's plenty of info to gather up. And in the meantime get in on the Kaaz lsd group deal. There's only two of us so far.
Old 07-28-2004 | 07:10 PM
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Originally Posted by bruteMax
Most of the turbo'd Max's are dynoing ~300hp. Sure some are near 400hp and Hal dyno'd over 500hp I think, but these are not daily-driven numbers. Nitrous jets are metered out to give you a stated hp figure dyno'd.

What are not daily driven numbers? And there is a difference in driving 300WHP/WTQ everyday and driving 180WHP/WTQ everyday and then slamming 250/whp/300wtq.


Dabomb- Nitrous jets are not very expensive. Start out slow and LOW, learn from there and you can do more. Or spend much more time researching and then dive head first into it with a little knowledge.
Old 07-28-2004 | 07:13 PM
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Originally Posted by DaBombX

4.Retarding your ignition seems to be one of the key issues in high power nitrous systems to prevent detonation. I know you can get a ecu, or the other thing that allow you to specifically set the timing. BUT, the cheap-n-eazy way out guy in me says... have a switch on the KS so that when your juicing, cut the KS sensor lines so the that ECU throws the "SAFE MODE"... shouldn't that retard your time enough?
My concern would be.... I guess I'd have to reset the ecu everytime I throw the KS switch so that it can adjust for it again... and... the fact that the ecu NEVER adjusts quickly..
Has anyone thought about or tried this?

What else might your KS being disabled do? What IF it cuts fuel? ( I am not certain on this, just asking the question)

See where I am going. Your trying to save some money on an electronic device that you may not even need. Cross this bridge LATER, after you've figured out the basics.
Old 07-28-2004 | 08:42 PM
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okie.
I think I'm gonna try to build a custom 35 shot wet system...
I think I can get a CO2 tank somewheres... I just got to find selenoids for the nitrous and fuel... I'm reading a lot on the nitrous.info site.
Old 07-28-2004 | 08:44 PM
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Oh, can I get an answer for this q?

Is it possible to Tee the nitrous line so that it goes into TWO selenoids (for dual stage purpose)?
Or will that cut the psi in half when both are activated...
i'm guess you should have two separate tanks for dual stages...
Old 07-29-2004 | 05:48 AM
  #8  
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Originally Posted by bags533
What are not daily driven numbers? And there is a difference in driving 300WHP/WTQ everyday and driving 180WHP/WTQ everyday and then slamming 250/whp/300wtq.
I was thinking of hlh's #s, since they were with nitrous.
Old 07-29-2004 | 07:36 AM
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Originally Posted by DaBombX
Oh, can I get an answer for this q?

Is it possible to Tee the nitrous line so that it goes into TWO selenoids (for dual stage purpose)?
Or will that cut the psi in half when both are activated...
i'm guess you should have two separate tanks for dual stages...
Thats what these tee's were designed for, they are from the NX 2 Stage kit. No problem using 1 bottle there is more than enough volume and pressure for any shot a Maxima will run.
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