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mark12
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mark12
2001 Blue Toyota Celica GT
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2001 Toyota Celica GT

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Dec 21, 6:19pm - #356169 
Nitrous?

Hey,

How effective is Nitrous Oxide in our Celicas? I have a GT and I want some more power.

Any one who has a lot of info on Nitrous oxide and how it works anything That will help me understand it more.

Also if anyone has any links ect.

Example Stuff I would like to know, Install Info, tuneing refill info where how to, and how much it cost to refill, hor hard is it to install, is it a doit yourself mod?

Info I need to know inorder to own a nitrous kit


Thanks,

Mark

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mark12
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mark12
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Dec 21, 6:21pm - #356170 
I'm am starting this topic to help people and myself to better understand Nitrous Oxide.

So Plez post Info

Thanks

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SLVCELI
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SLVCELI
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Dec 21, 6:22pm - #356171 
Read this but make sure you relate the things you need to a celica. aka, some of the things will not be right for the celica. For the celica you need to use a wet kit and no more than a 50 shot is recommended for the GTS (and I would say GT for that matter.) http://www.matrixowners.com/forum/viewtopic.php?t=27035


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mark12
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Dec 21, 7:12pm - #356172 
Any Others,

People that have there celicas hoped up on Nitrous.

I also have a GT so Some one with a GT that has some Info Plez help
I don't wana do any damage to my car not knowing what I am doing.

Thanks

Mark

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QTRMLR_1
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Dec 21, 7:58pm - #356173 
the basics explaining how it gives more power:

http://auto.howstuffworks.com/question259.htm

on install: just follow the directions the that come with the kit.

And you must use the wet kits, NOT the dry.

On precautions (some of which included in the directions):

use:

1. higher than 91 octane for 50 shot. personally I'd use 100 octane for any shot just to be safe.

2. 2 steps colder spark plugs.

3. WOT switch, an integral part of most kits.

4. Window switch, use the Mallory part # MAL-646.

5. Bottle heater/chiller: keep the pressure in the right range for safety/performance. some brands have only the bottle heater.

6. pressure gauge: again so you know you're bottle's at the right pressure for safety/performance.

7. for big shots like 75, I would retard the ignition timing, but you need some kind of computer to do this, piggyback (e.g. e-manage) or standalone (PowerFC). some people don't recommend over 50 for GTS, but others have done it safely, so it's up to you.

8. A/F ratio gauge with wideband o2 sensor/controller...not everyone can afford this, but just a good idea to make sure you're not running lean. you can test your nitrous on a dyno with a wideband o2 sensor.
but as long as you're not running lean already with a OBD-II lean code of p0171 you'll probably be ok, especially with the Zex which does a good job of getting the A/F mixture right.

Sorry I don't have time to explain everything now, but that's mostly everything I can think of off the top of my head.

btw, I installed a Zex wet kit on my friend's GT. it worked great with the 50.


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mark12
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Dec 21, 8:17pm - #356174 
Where can you get a botter re charger/filled up.

what kind of companies sell Nitrous Oxide?

Thanks

Mark

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QTRMLR_1
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QTRMLR_1

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Dec 21, 9:41pm - #356175 
As a part of the precautions, it's a good idea to have a blow-down tube and it's mandatory virtually at every track. If and when the bottle overpressurizes, a safety disk bursts and routes the gas down the tube outside of the car instead of in the driver compartment. You would otherwise suffocate while driving a high speeds and that wouldn't be good.

The major brands are NOS, NX, and Zex. There's also Edelbrock. And there's the expensive Venom computer nitrous system (VCN) that's also very complicated more than you need. C2Gas has it listed on his mods list, but other than that I don't know if it's wet or dry or compatible with returnless fuel systems which is the issue on why we can't safely or easily use dry. There are ways around it, but none of them good.

NX is known for customer support and for their hp ratings being at the wheels instead of at the crank, so you'll get more power through their shots as opposed to the same shots on other brands. Unfortunately the mixture might not be just right and you may need to go up one size fuel jet than what the manual recommends.

Zex is known for ease of installation and safety in that the A/F mixture is closer to what it should be b/c of its unique patented nozzle system. The more nitrous that gets shot through the nozzle also pulls more fuel with it. There is one guy (at least) on this site that keeps on saying that Zex has a computer than monitors the A/F to deliver the right amount of fuel for the nitrous, but that's NOT true. Part of the ease of installation lies in the fact that both the nitrous and fuel solenoids and the WOT switch are all in one convenient box. And the Zex runs on fewer amps than the NX kit. It draws 10 amps compared to the NX 30. However the hp rating of the Zex shots is at the crank, not at the wheels so it won't be as powerful comparatively. But if you're going to use the 50 shot on whatever brand besides NX, it's not that big of a difference less (maybe around 5 hp). But every bit of hp counts to many people so it's all up to you to weigh what's important to you. Some may find NX not hard to install at all even though it has more parts.

So personally I think the choice is between NX or Zex.


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QTRMLR_1
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Dec 21, 9:56pm - #356176 
A lot of tuner/speed shops sell nitrous refills. I've heard you can get nitrous refills at welding supply shops (for cheaper than motorsports places)but I haven't done it.

A purge kit is convenient to have as you won't have to do a gas clearing run before you race. Also when you're done for the day you won't have to unhook the nitrous line to alleviate the pressure.


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mark12
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Dec 21, 11:41pm - #356177 
Dose anyone else know anything about Welding shops refilling nitrous bottels

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QTRMLR_1
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Dec 21, 11:58pm - #356178 
I think it's welding supply shops...
not like a standard thing for us racers, but you have to approach them like "Can you hook up a brotha?" haha, and if they're nice they'll take your business.


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mark12
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Dec 22, 1:05am - #356179 
lol
ill be shure to try.

If not i will have to send my bottel like 700 km away just for a refill

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mark12
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Dec 22, 1:08am - #356180 
Any one with a nitrous GT around?

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QTRMLR_1
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Dec 22, 2:09am - #356181 
maybe you can bribe your dentist haha...not legal though. grin
you can't get it from the places they get it, because you'd definitely have to show proof you were medical.


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Akita
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Akita

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Dec 22, 3:03am - #356182 
We're off to see the wizard.. smile

http://www.noswizard.com/carnitrous.php

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RookieGTS
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Dec 22, 6:50am - #356183 
Originally Posted by SLVCELI
Read this but make sure you relate the things you need to a celica. aka, some of the things will not be right for the celica. For the celica you need to use a wet kit and no more than a 50 shot is recommended for the GTS (and I would say GT for that matter.) http://www.matrixowners.com/forum/viewtopic.php?t=27035


damn nice post!!! very informative on that website. I have a better understanding for NOS now. cool man thumbsup

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celicadragon
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celicadragon

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Dec 22, 8:19am - #356184 
i have researched and i will be going with zex if i do go n20


respect the gt-s
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ragingpaseo
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Dec 22, 11:39am - #356185 
nawwwzzzzzzzzzzzzzzzzzzz... rofl

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QTRMLR_1
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Dec 22, 2:23pm - #356186 
Originally Posted by RookieGTS
Originally Posted by SLVCELI
Read this but make sure you relate the things you need to a celica. aka, some of the things will not be right for the celica. For the celica you need to use a wet kit and no more than a 50 shot is recommended for the GTS (and I would say GT for that matter.) http://www.matrixowners.com/forum/viewtopic.php?t=27035


damn nice post!!! very informative on that website. I have a better understanding for NOS now. cool man thumbsup


just skimming over that site, I can see some vague and/or bad info on that site. One example is he writes high compression is good for nitrous. Another example is he merely recommends plugs but doesn't say anything about them being 2 heat ranges colder. BTW, you have to go 2 ranges colder for your car. There is no such thing as a universal plug to recommend. Another example of potentially damaging info is the person doesn't caution against the dry system on some cars and recommends wet and dry freely, saying that wet is only a bit better in getting the mixture right. True but completely showing a lack of knowledge or true understanding or the ability to express it.

At one point the person even mentions messing with fuel pressure without even mentioning he's talking about wet or dry. (btw for 50-75 shots, for wet: stable stock fuel pressure is what you need, and in the dry which we CANNOT use on our returnless fuel system, the fuel pressure is increased anyways through a vacuum signal to the fuel pressure regulator).

At the end, the "article" (not the person, as I realized this is just a hashing together of info grabbed from different sources) finally mentions 2 steps colder on the plugs for "applications that call for it." Plugs were mentioned before but heat range was not addressed. Also it's not a matter of "applications", just do it.

Here's another dangerous statement from the site:

"Do I need internal mods in my engine??

You should only need internal mods with a shot of about 100 or higher if higher then 100 then I recommend piston, rods, valves, springs, retainers, cams, cam gears.."

(BTW, the 75 shot is regarded by the experienced Celica users as the highest we should go on the Celica on stock internals. Some even say no more than 50 shot, but I know some who have used a 75 shot just fine).


There is some correct info, but considering all of the dangerous, incorrect, and potentially damaging info, I would never recommend that site.


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SLVCELI
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SLVCELI
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Dec 22, 2:39pm - #356187 
Originally Posted by QTRMLR_1
Originally Posted by RookieGTS
Originally Posted by SLVCELI
Read this but make sure you relate the things you need to a celica. aka, some of the things will not be right for the celica. For the celica you need to use a wet kit and no more than a 50 shot is recommended for the GTS (and I would say GT for that matter.) http://www.matrixowners.com/forum/viewtopic.php?t=27035


damn nice post!!! very informative on that website. I have a better understanding for NOS now. cool man thumbsup


just skimming over that site, I can see some vague and/or bad info on that site. One example is he writes high compression is good for nitrous. Another example is he merely recommends plugs but doesn't say anything about them being 2 heat ranges colder. BTW, you have to go 2 ranges colder for your car. There is no such thing as a universal plug to recommend. Another example of potentially damaging info is the person doesn't caution against the dry system on some cars and recommends wet and dry freely, saying that wet is only a bit better in getting the mixture right. True but completely showing a lack of knowledge or true understanding or the ability to express it.

At one point the person even mentions messing with fuel pressure without even mentioning he's talking about wet or dry. (btw for 50-75 shots, for wet: stable stock fuel pressure is what you need, and in the dry which we CANNOT use on our returnless fuel system, the fuel pressure is increased anyways through a vacuum signal to the fuel pressure regulator).

At the end, the "article" (not the person, as I realized this is just a hashing together of info grabbed from different sources) finally mentions 2 steps colder on the plugs for "applications that call for it." Plugs were mentioned before but heat range was not addressed. Also it's not a matter of "applications", just do it.

Here's another dangerous statement from the site:

"Do I need internal mods in my engine??

You should only need internal mods with a shot of about 100 or higher if higher then 100 then I recommend piston, rods, valves, springs, retainers, cams, cam gears.."

(BTW, the 75 shot is regarded by the experienced Celica users as the highest we should go on the Celica on stock internals. Some even say no more than 50 shot, but I know some who have used a 75 shot just fine).


There is some correct info, but considering all of the dangerous, incorrect, and potentially damaging info, I would never recommend that site.


A simple 'this is not good info' would have done tongue j/p. yeah they were talking about a specific car with the internals and some of it is bad info but I havent really seen any good write-ups. Anyone post any other good write-ups if you know any.


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Dec 22, 2:46pm - #356188 
I can do a comprehensive writeup maybe sometime next year, but sorry I don't have the time now.


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Ryo
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Dec 22, 3:30pm - #356189 
Originally Posted by QTRMLR_1
I can do a comprehensive writeup maybe sometime next year, but sorry I don't have the time now.

For plugs do you mean spark plugs? i am confused... confused

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Dec 22, 6:21pm - #356190 
yah spark plugs...they've got heat ranges. "colder" means they dissipate heat better. Less heat means less chance for detonation of knock and in the worst case engine damage. It's important to go colder for F/I.


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mark12
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Dec 23, 2:12am - #356191 
Thanks guyz this post has done a lot for me, and I hope it has helped others out too.

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Dec 23, 2:43am - #356192 
oops I noticed a typo from my post right above:

it's "detonation OR knock" not "detonation of knock"


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