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no nos
Dodge Dakota
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11/14/2003
11:07:20
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 Subject: nitrous with 5 spd
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Would having nitrous with a 5 spd be any different then having it with an auto? would you still have a wot switch? Sorry I know very little about nos, but i am thinkig about getting the nx ki. all help is appreciated.
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why
Dodge Dakota
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11/14/2003
15:37:19
| RE: nitrous with 5 spd
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why not get a supercharger it would be so much better?
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IntenseDak39
*GenIII*
11/14/2003
16:58:19
| RE: nitrous with 5 spd
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why, why is that?
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no nos
Dodge Dakota
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11/14/2003
17:21:19
| RE: nitrous with 5 spd
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yea, why is that?
INTENSE, could you tell me about nos with a 5 spd?
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why
Dodge Dakota
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11/14/2003
18:10:52
| RE: nitrous with 5 spd
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because nitrous and superchargers do the same thing. they just force more air into the engine for better perfomance. superchargers give great power all the time, but on nitrous kits you cant use them all the time, and you have to refill the tank. seems like nitrous doesnt do half of what superchargers do.
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GB2000
Dodge Dakota
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11/14/2003
18:23:37
| RE: nitrous with 5 spd
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Uh...last I knew nitrous did more than just force air into the engine...
A supercharger would be better from what I've seen Larry post about, but nitrous is a lot easier to setup.
Josh
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Jon
Dodge Dakota
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11/14/2003
19:35:41
| RE: nitrous with 5 spd
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A supercharger is more expensive.
Nitrous effectively adds more oxygen to the engine but it also cools the incoming air creating a denser air charge for more power. A supercharger does the opposite unless you have an intercooler.
Yes, you should still use a WOT switch with a 5 speed. To help prevent engine damage you only want to use nitrous at WOT above 3000rpm. I use an MSD RPM switch for this.
-Jon
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Neil
Dodge Dakota
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11/15/2003
01:18:42
| RE: nitrous with 5 spd
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what is a msd rpm switch?
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FazDak
GenII
11/15/2003
16:23:53
| RE: nitrous with 5 spd
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"Dodgeboy" runs N2O with a 5spd VERY effectivly.
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IntenseDak39
*GenIII*
11/15/2003
16:30:56
| RE: nitrous with 5 spd
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Nitrous doesnt force air into the motor.
And the Superchargers for our motors dont force air into the motor either... they compress air.
"superchargers give great power all the time"
now with the response you first gave, i doubt that you have ever had a s/c on anything. S/C dont make great power all the time. They make power linear to the rpm of the motor. Nitrous Makes great power all the time and probably doubles the amount of torque that a s/c can produce. Yes you have to fill the bottle up, but if you have ever had experience with nitrous, that is just a minor factor (buy more than one bottle!).
NO NOS,
just to let you know, i have run a nitrous express kit on my truck, a Powerdyne Supercharger and a home built Turbocharger system.
I would rate the turbocharger the best because like the s/c you dont have to fill a bottle, but the turbo produced a hell of a lot more power a lot faster with less boost than the powerdyne ever could. Nitrous would be a close second because it wasnt a tuning nightmare like the turbocharger was and could produce more power, more easily. The s/c was a very very distant fourth place because i felt that Naturally Aspirated was better... seriously, the s/c didnt even meet up with a 50 shot of nitrous when fully wound up and with all the noise it made... sounded like i was making 500 hp.
with a five speed, i would set the WOT switch under/on the gas pedal so that it would only activate when you had the pedal all the way down. Besides that, you will want an activation switch so that you dont have to worry about having your bottle open and flooring it when you dont want nitrous.
When i used a 75 shot, i just sprayed right out of the hole and the 100 shot i sprayed at about 2000 rpms because of wheel spin.
I am just gonna finish by saying that s/c sound like a lot of fun, but really suck on the 3.9. I have never seen one build any power unless it was also equiped with nitrous.
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J and J Auto
GenII
11/15/2003
22:14:57
| RE: nitrous with 5 spd
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I just posted this in another thread, and I never
said there is anything wrong with using nitrious
As someone said that I said but did not,
There is nothing wrong with nitrious and it does
do almost the same thing as a blower or turbo
only in a differant way
carries more oxigen into the cyl alowing the motor
to burn more fuel that has entered with it and
gives you a boost in performance Bigger Bang
But as FazDak said you should have a few other
mods to go with it like a bigger TB cold air and
the 1.7's to get as much in as you can and a low
restriction exh to get all that extra out faster
and more efficiant to maximise your gain
Its all just a personal prefrence what a person
wants to do, am I going to try a blower Yes why
because I want to
Larry
J&J Auto
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Jon
Dodge Dakota
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11/16/2003
00:06:17
| RE: nitrous with 5 spd
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The MSD RPM switch has a tach pickup wire that hooks to the coil. When your engine hits a certain preset RPM (in my case 3000rpm) it turns on a relay which can be used to complete a circuit or send power to an electrical component. I have it wired in series with the WOT switch (which is mounted on the throttle body) and the nitrous solenoid.
-Jon
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No nos
Dodge Dakota
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11/16/2003
20:28:51
| RE: nitrous with 5 spd
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so if I was in second gear and i had it floored and i was only at 2500 rpms, the wot switch wouldn't come on until i was at 3000 rpms even with the arming switch on? What if i shifted into third after that and i wasn't at 3000 yet, would the nitrous keep sparying or would it stop until i was at 3000 again?
i dont know if you guys will understand that, but bear with me
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IntenseDak39
*GenIII*
11/16/2003
22:12:42
| RE: nitrous with 5 spd
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well... if your nitrous came on at 3000 rpms in second gear, you wouldnt have enough time to shift into third to be less than 3000 rpms. You will rev a WHOLE lot faster and go through the gears a lot faster.
besides, why the hell would you shift out of second gear so that third would be less than 3000 rpms with nitrous going? not raggin' on you but would you use the nitrous for only a 1000 rpms or so in second gear? (other words, if you went to the rev limiter in second, when you shift you should be above 3000 in third.
but also, why are you so concerned with 3000 rpms? you are losing a lot of powerband with the nitrous. At least go no more than 2000 rpms (recommended by most manufacturers)
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Neil
Dodge Dakota
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11/17/2003
00:53:48
| RE: nitrous with 5 spd
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i heard that you should not spray under 3000 rpms, I didn't know u could spray at 2000.
Earlier u posted that u sprayed right out of the whole. How did u do that?
I appreciate u walking me through this
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J and J Auto
GenII
11/17/2003
02:30:36
| RE: nitrous with 5 spd
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Man o Man do a search on the net for nitrious
system operation and read,
You can set these systems up to work any way you
want them to, there are even programable systems
where you can adjust the amount you want at any
rpm
Like 25% at 2000, 50% at 3000 100% at 4000 or
any way you want to do that works best for your
particular setup.
They are a nice way to get more power and fairly
easy to set up on any vehicle, I have a few
customers running nitrious and they love it.
Larry
J&J Auto
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IntenseDak39
*GenIII*
11/17/2003
07:51:27
| RE: nitrous with 5 spd
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I am not gonna guarantee that its safe to spray out of the hole but i know i did it without any problems... well maybe traction.
A 50-75 shot is not that much at all. You can safely fire that right out off the line if you except from idle. You gotta load your torque converter or rev the motor a little bit. I dont know what you launch at with your 5 speed but with my auto, i would go at about 1500 rpms, 1700 with slicks. So, its not like i was just spraying the nitrous at 700 rpms. With a 100 shot it is usually recommended that if you spray off the line, have something like 4.10 gears so it will rev faster. I didnt worry about it because of how light my truck is in the back and the open diff.
I think that most manufacturers recommend 2000-2500 rpms because they probably figure you are gonna be running something a little bigger... like a 150 shot, which should not be off the line unless you have a higher stall converter with an auto.
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FazDak
GenII
11/17/2003
08:19:49
| RE: nitrous with 5 spd
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I've sprayed under 2k and off the line plenty, no problems here. Cept that same problem Intense mentioned, traction is not to be found.
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Jon
Dodge Dakota
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11/17/2003
10:41:19
| RE: nitrous with 5 spd
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If you start with the nitrous in first gear off the line and keep the revs up as you shift through the gears you will be fine. But if your cruising down the street in 3rd at 2000rpm and you hit the nitrous thats where you get problems. because the engine is sort of lugged down and then when you drop another 75hp of nitrous on it you can break rods and pistons and stuff.
You can do lots of cool things with the programmable systems, but with a basic setup like a sneaky pete system with the bigger jets and bottle on a stock engine i like to stay above 3000 with the nitrous.
-Jon
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