Author Topic: So... Lets talk Nitrous!  (Read 11634 times)

Reply #15February 04, 2006, 05:15:42 am

therabbittree

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So... Lets talk Nitrous!
« Reply #15 on: February 04, 2006, 05:15:42 am »
i agree with DVST8R ..my friend use nitrouis on teh drag detroits ..i haven't finished mine in fact if soem one here wants a fiberglas flip nose chevy setup for 6v53 detroit and allison 540 with 9"ford rear..let me know..i will sell ..any way back to nitrous...it works best if you are really overfueled..it clears the smoke ..not only by the extra oxyegn ..but it acts as intercooler ..as the cold nitrous cools the incoming air charge...as DVST8R said tun it at the track go tup in size till it slows down..then go back a jet.. ..as for propane in a performance stand point it is fueling substitute ie if you can't get any more fuel with your setup ..propane could help..  as for the economy..i have see two cummins trucks taht had propane setups taht were very very professional and supposedly tehy got insane mpg numbers and range ..almost double the non propane mpg figures..now that was impressive..they did it for the economy not teh performance as they had a ton of other fuel and performance mods..that di up grade the headgasket to a fire ring set up....www.teamdiesel.com has diesel nitrous setups available..
later
Deo

Reply #16February 04, 2006, 11:52:28 am

MacGyver

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« Reply #16 on: February 04, 2006, 11:52:28 am »
Ah, Detroit powered drag truck w/nitrous:
http://www.teamdiesel.com/nitrous_oxide.htm

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Reply #17February 06, 2006, 12:27:49 pm

malone

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« Reply #17 on: February 06, 2006, 12:27:49 pm »
Check this out (safe to view - no gore), a VW explosion at a fueling station:

http://www.ogrish.com/archives/explosion_at_gas_station_in_brazil_Feb_04_2006.html

IIRC someone mentioned that alternative fuels are very popular in Brazil. Note the pink/purple tank in the trunk of the wrecked car. It doesn't seem that tank was the source of the explosion though.
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Reply #18February 06, 2006, 12:38:15 pm

BlackTieTD

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« Reply #18 on: February 06, 2006, 12:38:15 pm »
ethanol is big in brazil, in the past few years many of brazilian-market cars have been released that run both pure ethanol and pure gasoline so you have the choice, called 'flex-fuel'. at least 75% of new cars sold in brazil are now 'flex-fuel'. ethanol-only vehicles have been available in brazil since 1979.

in 2003/2004 brazilian ethanol sold at 45% less per litre than gasoline on average.

ethanol was huge in brazil but in the 90s political BS got in the way of progress ( :roll: ) — ethanol has since caught on again and is working wonders for brazil's economy.

sorry for the commentary... i worked with a guy in the summer who is a recent brazilian immigrant, interesting stories!

Reply #19February 06, 2006, 03:22:08 pm

zyewdall

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« Reply #19 on: February 06, 2006, 03:22:08 pm »
Quote from: "BlackTieTD"
ethanol is big in brazil, in the past few years many of brazilian-market cars have been released that run both pure ethanol and pure gasoline so you have the choice, called 'flex-fuel'. at least 75% of new cars sold in brazil are now 'flex-fuel'. ethanol-only vehicles have been available in brazil since 1979.

in 2003/2004 brazilian ethanol sold at 45% less per litre than gasoline on average.

ethanol was huge in brazil but in the 90s political BS got in the way of progress ( :roll: ) — ethanol has since caught on again and is working wonders for brazil's economy.

sorry for the commentary... i worked with a guy in the summer who is a recent brazilian immigrant, interesting stories!


Yeah, I wish I could get some of the brazillian flex fuel cars up here.  Not that I can buy ethanol anyway...  That car in the explosion looks like a natural gas tank though.  One reason I like diesel -- no fuel air mixtures to explode.  I've actually welded near spilled biodiesel (probably not the brightest thing still), and it didn't ignite.  I wouldn't even try that near gasoline.
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Reply #20February 10, 2006, 11:34:00 am

diffdude

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« Reply #20 on: February 10, 2006, 11:34:00 am »
Quote from: "fspGTD"

 Here is an old engine compartment shot of the trick LPG fumigation system I made:

.



What is that steel braided line going from the impco regulator to the boost tube for. On every setup i have built that is the vent for the diaphram. Did you run coolant through the regulator to prevent freezup? If it freezes it will send liquid propane  into the motor.
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Reply #21February 10, 2006, 12:39:02 pm

fspGTD

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« Reply #21 on: February 10, 2006, 12:39:02 pm »
My LPG fumigation setup was quite sophisticated.  On it's final iteration before I removed it from the car, I had it introducing LPG vapors through a venturi that was mounted right before the intake manifold, which was under boost pressure.

The braided hose is a balance connection which was necessary to make the regulator "see" just the venturi signal, and not the boost pressure.  The venturi introduced LPG in proportion in a near constant proportion to the airflow entering the motor.

The advantage of having the LPG introduced before the intake manifold was that the reaction time of the propane vapors hitting the combustion chambers from when the solenoid is activated would be quicker when the throttle activated switch turned it on.  That's because the gasses needn't travel through the compressor, boost tubing, and intercooler.  It also made for a very short hose from regulator, further speeding up the LPG reaction time.  There was also a safety issue, which is was I wanted to minimize the quantity of explosive gasses in the intake tract.
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Reply #22February 10, 2006, 12:49:51 pm

hillfolk'r

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« Reply #22 on: February 10, 2006, 12:49:51 pm »
my setup was total opposite,,im runnin a cheap water inj. setup,, i used an ol washer bottle w/ pump,,and i let it rip into the intake before the turbo,, i used an old carb. jet in the end of the line,,now remember its crude,,but that turbo sure atomizes the water!!,mines actuated bya button on the shifter,and i canhonestly say it works,,cause cruisin thru pa on rt 80,,goin up a hill,holding steady speed like 75mph,and around 8  pounds of boost,,if i hit the water,,i have to back out of throttle,it starts toaccelerate,,to get it to hold steady speed at this point,ill usually drop2-3 psi of boost,,,oh i use plain ol blue washer fluid,,,had this setup on for 2 years,,when i removed turboto swap onto my tdi,it looked fine,,nowater erosion or anything,,,,,,,just my 2 cents,,and thats all my power adder cost to build too,,egt is cooler,,  imayhook up a setup w/ a psi sender to come on auto,,,but it works!!
Throttle cables ftw

Reply #23February 10, 2006, 12:53:13 pm

hillfolk'r

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« Reply #23 on: February 10, 2006, 12:53:13 pm »
they show setups like this in all the turbobooks ive seen,,,,,,,,,
Throttle cables ftw

Reply #24February 10, 2006, 01:08:18 pm

diffdude

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« Reply #24 on: February 10, 2006, 01:08:18 pm »
heres a link to a water-meth site.
http://www.dawesdevices.com/water.html
81 caddy 1.6 td, 2.5" turbo back, snow performance water/meth injection, and all the other usual mods.

Reply #25February 10, 2006, 01:28:27 pm

diffdude

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« Reply #25 on: February 10, 2006, 01:28:27 pm »
fspGTD,
Thanks for the detail answer, I understand what you had going on now.
81 caddy 1.6 td, 2.5" turbo back, snow performance water/meth injection, and all the other usual mods.

Reply #26October 10, 2010, 10:20:30 pm

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Re: So... Lets talk Nitrous!
« Reply #26 on: October 10, 2010, 10:20:30 pm »
Ok, so I've read the 2 page thread about this topic. Very good info.
I've looked around at different NOS controllers and found this one.
http://www.jegs.com/i/NOS/741/15974/10002/-1?parentProductId=760609.
Could it be used on diesels, and how is it connected to the bottle and what now?
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Reply #27October 12, 2010, 09:24:42 pm

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Re: So... Lets talk Nitrous!
« Reply #27 on: October 12, 2010, 09:24:42 pm »
Some one here has to know what type of parts to use to put on to a VW diesel.
Please don't let me waste my money and time with some kit that the guy on the phone told me would work.

I've looked in the major parts catalogs and the setups they have are way to complicated and some parts are not needed.
Ideally, I want to use a two stage setup or a progressive controller to gain low end boost to get going and the main shot to keep the egt's down and get a more complete burn. The pump that I'm useing is a custom one that Giles made for me with a 10mm head and all the other good stuff he does. So I know theres a lot of fuel for NOS.

Please feel free to ask questions.  :)
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Reply #28October 12, 2010, 10:58:51 pm

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Re: So... Lets talk Nitrous!
« Reply #28 on: October 12, 2010, 10:58:51 pm »
Right now I'm looking at the DynoTune products. Some good stuff for great prices.
The Multi-Function Nitrous Controller Progressive, RPM (713) seems to be a good one.
It needs an RPM signal. So is the "W" lead from the Alt. a good signal?
Or would the DynoTune Time Delay Switch (708) be a better one?
'87 Syncro Transporter Single Cab "Now TDI"
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'76 Scirocco TD dragster project
'13 Golf R:. Tuned
'98 Puch G320

Reply #29October 12, 2010, 11:13:02 pm

RadoTD

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Re: So... Lets talk Nitrous!
« Reply #29 on: October 12, 2010, 11:13:02 pm »
1. I have never set up nitrous on a car before. The following is just my 2c and how I'm interpreting everything there, much just from what I read on that NOS controller. Might give you an idea or two; no warranty on anything I say though!  ;D

2. It looks to me like that controller makes it possible to run nitrous without a switch to activate it; runs off of throttle position sensor (TPS) instead. Then you can have a delay until it starts injection nitrous and how quickly it starts dumping it in. Also a min/max rpm, neat little feature there. On a gas engine, you'll still need to dump more fuel in to compensate. Whether it's simply by chipping or if you're running standalone on TPS, you could remap the VE table or many other possible solutions. Blah blah blah.
But that's a gasser
The way I see it, if you simply have the fuel turned up enough that you'll smoke at WOT anyway, that controller will be automagically be opening your nitrous nozzles so giving you enough air to burn that extra fuel. So, properly match your nozzles to the extra fuel you have and your needtogofast:don'tblowmyengine ratio and you should be good to go.
How exactly that controller adds it progressively, I don't know. Possibly by opening some form of pressure regulator to the solenoid or maybe by opening/closing the solenoid kinda like a fuel injector

I could expand more on my thoughts later, but I'm tired and going to bed! :)

enough boost is when you have 3 dimple marks in the hood from the valve cover nuts..  ;D