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Series I Major Horsepower Upgrades This is the place to discuss Super Chargers and Turbos, Nitrous, Porting, etc

Nitrous Dyno

Old Nov 29, 2007 | 03:20 PM
  #151  
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Ray, the difference is that with a turbo it is possible (but difficult) to control the amount of boost by modulating throttle. Nitrous is limited to on/off without some sort of progressive controller.

There's a big difference between only being able to select between, say, 140wtq and 280wtq, or (depending on your right foot control), being able to step up in increments 140 -> 180 -> 220 -> 280. The higher the shot the more frustrating this limitation will feel (say, if the traction conditions would allow you to use 220 but you're stuck at 140 because if you go WOT the nitrous kicks in and 280wtq makes your wheels spin).
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Old Nov 29, 2007 | 03:27 PM
  #152  
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^ exactly what I was thinking........... especially in acceleration
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Old Nov 29, 2007 | 03:37 PM
  #153  
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exactly, but I would want to add to the discussion how we don't like uber spiky dyno graphs, I suppose it has something to do with the way the car drives also, which is one more good reason to get a progressive control. again, yes, this is user interaction concern, but personally, wouldn't u want that? better than "HOLY ****! HOLY ****!! THE WALL! THE WALL!!!!" lol
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Old Nov 29, 2007 | 03:42 PM
  #154  
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BTW I agree entirely on the fact that 200HP added with nitrous is the same as 200HP from a turbo or an SC... In fact you can argue that with nitrous you can get the same power with a GREATER margin of safety since you're not having to overcome any parasitic loss (mechanical or exhaust back pressure).

I just feel it's important to point out the practical differences in the kits commonly available right now, esp to the likes of Mr post ***** here
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Old Nov 29, 2007 | 03:43 PM
  #155  
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Taj, the dino graph will not be "spiky" it will be the stock dyno graph offset "up" by a fixed amount. One does not lift one's foot on the dyno.
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Old Nov 29, 2007 | 04:37 PM
  #156  
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CS: I was talking about the graph being.......hmmm well, stock, say if u add 100whp with nitrous........the graph at 4k would be something like.......142whp......then suddenly BOOM!!! 220whp!! idk that seems spiky to me
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Old Nov 29, 2007 | 04:40 PM
  #157  
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Originally Posted by Charles R. Hill

BTW, have you guys seen the dyno charts of 1,200 h.p. Supras? Talk about dramatic upsurges in torque delivery!

which is what I'm saying I'm trying to avoid........., I don't want a freaking wall stuck up my *** any time soon, and I definitly don't want to prematurely kill my rear tires, not to mention premature death of drive shaft

but yes, from now at least people would STOP SAYING NITROUS BLOWS UP YOUR CAR!

I mean wtf, its turboed OOOOH PAWNAGE!!.......its nitrous injected OOOOOH WTF UR GONNA DIE MAN!!

**** fast and furious

and who the hell came up with that **** in the first place, don't they even know **** about nitrous? I^N@*@^@*^*

/endrant
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Old Nov 29, 2007 | 04:43 PM
  #158  
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Haha, check it:



At 2500 RPM it's almost equal with the renny
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Old Nov 29, 2007 | 04:47 PM
  #159  
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@.@ thanks, thats not so bad at all you can still see the nitrous kickin in at 4.2k rpm though, but wayy smoother than I thought

btw what car is this?
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Old Nov 29, 2007 | 04:53 PM
  #160  
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wow, I guess I'm getting my dyno today! I called up this shop around where I live and they were like.......ok!
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Old Nov 29, 2007 | 05:03 PM
  #161  
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That's from a Supra turbo, not nitrous.

I have heard Supras referred to as "dyno queens" since so much of the power is at the top end.
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Old Nov 29, 2007 | 05:21 PM
  #162  
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lol, for one thing supras aren't as fast as I thought without some serious cash put into it, and their handling becomes..........crap if they do that, but its not like anyone cares about handling

me gonna go dyno now, be back with sheets
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Old Nov 29, 2007 | 05:23 PM
  #163  
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pull the ABS/DSC fuse from under the hood
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Old Nov 29, 2007 | 06:46 PM
  #164  
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I wonder what he dynos
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Old Nov 29, 2007 | 06:50 PM
  #165  
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wonder no more, me back, the damn bottle was cold.........but the hell with it, I aint gonna come back empty handed! (as u know, I dont have a damn bottle warmer) im scanning the pics right now

I have to tell u guys, I failed miserably, I didn't pull the fuse for DSC and TSC from under the hood, so I don't know whether that makes a change in the whp numbers or not
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Old Nov 29, 2007 | 06:55 PM
  #166  
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well?
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Old Nov 29, 2007 | 06:59 PM
  #167  
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should i?
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Old Nov 29, 2007 | 06:59 PM
  #168  
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Nalin! a bit early to call it... but figured I would
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Old Nov 29, 2007 | 06:59 PM
  #169  
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Originally Posted by tajabaho1
wonder no more, me back, the damn bottle was cold.........but the hell with it, I aint gonna come back empty handed! (as u know, I dont have a damn bottle warmer) im scanning the pics right now

I have to tell u guys, I failed miserably, I didn't pull the fuse for DSC and TSC from under the hood, so I don't know whether that makes a change in the whp numbers or not
Awesome, taj! It's pretty fun, right? Now you can say you did it... check it off the list of "things to try before I die" list
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Old Nov 29, 2007 | 07:03 PM
  #170  
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nalin is alive!
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Old Nov 29, 2007 | 07:03 PM
  #171  
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Originally Posted by tajabaho1
should i?
Post it damnit!!!
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Old Nov 29, 2007 | 07:19 PM
  #172  
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lol, well I dynoed at MD automotive: they're pretty close to where I live, the owner was very nice, they're the RnD place for Jackson Racing, the guy knows what he's doing and my baby wasn't harmed in anyway (except she's so freaking loud)

seriously, she's so loud I wanted to just beat her ***, god..........

well enjoy: note that this is with a cold *** bottle but.......oh well you get the point





EDIT1: ALL RUNS ARE IN 3RD GEAR! yes, I am a nub/The nitrous tank was cold (it was 70degrees Farenheit to be exact)/ did not take off TSC but it seemed to run fine
Attached Thumbnails Nitrous Dyno-dyno-1.jpg   Nitrous Dyno-dyno-2.jpg   Nitrous Dyno-dyno-3.jpg  

Last edited by tajabaho1; Nov 29, 2007 at 07:43 PM.
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Old Nov 29, 2007 | 07:21 PM
  #173  
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dude, y didn't you listen to me when I said to pull the fuse?
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Old Nov 29, 2007 | 07:25 PM
  #174  
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dude, I was gone by the time u posted that man, next time I will.......jesus
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Old Nov 29, 2007 | 07:30 PM
  #175  
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30hp and 50 ft/lb increase from a 65 shot....Not bad if you ask me....
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