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Old Aug 21, 2005 | 03:23 AM
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Default Nitrous with boost

When spraying a wet shot with twin turbos how do I want my system setup?

The only nitrous kit I have ever had was on a N/A car, should I just set it up the same way?

BTW : The car is MAF-less.
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Old Aug 21, 2005 | 10:15 AM
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I would think you do it just like a NA system by putting the nozzles behind the MAF and in front of the Intake.

Is there any reason you thought it would be different?

You have to make sure to put a wet kit behind the MAF because you don't want the MAF to notice the shot and raise fuel too, since your fuel just takes care of the additional fuel needed.

In your case you don't have to worry about the MAF since you are in Speed Density mode.

(Nitro Dave, or someone else might be able to chime in more about this.)
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Old Aug 21, 2005 | 01:32 PM
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I already posted my car had no MAF sensor.

I have heard of spraying before the turbos to cool down the air charge more as it goes through the IC, so in this case a twin nozzle configuration.
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Old Aug 21, 2005 | 01:48 PM
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I run a supercharger and two stages of nitrous.

Set it up just like a NA car. Jetting will vary slightly from NA because if:
say you are running 15psi of boost and your WOT fuel pressure is 50 psi. The fuel will flow like your fuel pressure is 50-15= 35psi.
I don't recoemend spraying before the turbos or intercoolers for a few reasons.
1. The mix needs to travel very far and go though large temperature changes before it hits your engine. I'm not one who agrees with fuel puddling in intakes, but through intercoolers is a different story. Some people have done it, but that dosen't make it right.
2. Your engine will get a colder charge if the nozzle is close to the TB, instead of before the intercooler.
3. Hopefully this never happens, but if there is ever a backfire, I'd rather not have my expensive intercooler full of N2o and fuel.
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Old Aug 21, 2005 | 02:09 PM
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Originally Posted by 860 Performance
I run a supercharger and two stages of nitrous.

Set it up just like a NA car. Jetting will vary slightly from NA because if:
say you are running 15psi of boost and your WOT fuel pressure is 50 psi. The fuel will flow like your fuel pressure is 50-15= 35psi.
I don't recoemend spraying before the turbos or intercoolers for a few reasons.
1. The mix needs to travel very far and go though large temperature changes before it hits your engine. I'm not one who agrees with fuel puddling in intakes, but through intercoolers is a different story. Some people have done it, but that dosen't make it right.
2. Your engine will get a colder charge if the nozzle is close to the TB, instead of before the intercooler.
3. Hopefully this never happens, but if there is ever a backfire, I'd rather not have my expensive intercooler full of N2o and fuel.
i totally agree with this
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Old Aug 21, 2005 | 03:37 PM
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Originally Posted by Boostaholic
I already posted my car had no MAF sensor.
I know you did. I guess I didn't make it clear that I was implying to put it right where you MAF would have been.

I didn't think "cooling" the turbos woudl have as much of an effect, than just cooling the air right at the motor.
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