Big Daz
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 posted on 8/10/06 at 12:57 PM |
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Does anyone run Nitrous?
We are currently about to reach the stage where all the front to back cables/pipes etc are all run and we can start boxing then in. We have the
nitrous oxide kit from our last track car sitting in the garage and are contenplating fitting it to the tiger. Question is, Has anyone else ran
nitrous? Oh, Car is Tiger Avon with 2.0 Zetec on Throttle bodies with megasquirt.
Daz
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froggy
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| posted on 8/10/06 at 01:37 PM |
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yes i used to run a plate system on a 4 barrel carbed v8 which was pretty straight forward but with t b,s its a bit more involved as you will need to
split the nos and fuel into each intake unless you can use the ms to add fuel as long as the injectors have the capacity to do it . if you have
solenoids to supply fuel and nos start with the 25hp jets that normally come with the kit ,if the delivery lines are qiute long then you might be
able to get away with a bit more as the the length of delivery line will help soften the blow . i went up to 75hp jets without any control but started
destroying clutches at least you have the ms which will allow you to mointor the afr when you use the nos to see if its putting too little or too
much fuel in with the nos
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RazMan
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| posted on 8/10/06 at 02:20 PM |
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I've got a kit waiting until after SVA and in my case (Duratec V6) I can just plumb in the two pulsoids to the inlet tract after the air filter.
I'm planning on a 75bhp shot which should give me 300bhp on the button.............. which is nice
A progressive controller would be a good idea with a lightweight car - saves burning out clutches & tyres and also makes the whoosh more
controllable.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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RazMan
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| posted on 8/10/06 at 10:38 PM |
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My concern would be that the gas would be biased towards one or two cylinders. A conventional plenum if obviously gas flowed so it should provide an
even mix across all cylinders.
How about putting a nozzle in each tb? Extra plumbing but more accurate.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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RazMan
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| posted on 9/10/06 at 08:16 AM |
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I don't think you need to use more pulsoids - just tee everything from the same single one.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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RazMan
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| posted on 9/10/06 at 09:00 AM |
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I would imagine the lengths of each of the tees need to be identical but it should theoretically give the same to each nozzle. Split 1-2 then 2-4
using the same legth pipe.
[Edited on 9-10-06 by RazMan]
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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NS Dev
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| posted on 9/10/06 at 09:09 AM |
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if you get any sort of misfire/spitback with the airbox idea you will have a big explosion, that would be my worry.
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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dave r
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| posted on 9/10/06 at 04:15 PM |
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why should it explode in the airbox ? nos is only an oxidiser, it still needs fuel to burn??
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RazMan
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| posted on 9/10/06 at 09:21 PM |
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A wet kit has both fuel & gas injected into the inlet tract - not ideal in an airbox.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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Big Daz
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| posted on 10/10/06 at 10:13 AM |
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Correct. Not a nice mixture, but I dont want to revert to a dry setup, too risky.
The other option as was mentioned earlier is to use a fogger nozzle for each throttle body and have a couple of equal length rails for fuel and
nos.
I am more interested in the performance benefits on a rwd light kitcar. Anyone?
Daz
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