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Forced Induction Discuss topics relating to turbochargers, superchargers, and nitrous oxide systems.
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Old 02-10-2003, 01:26 PM
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Arrow Wet Or Dry?

OK I'M GOING TO GET AN ENGINE...REBUILD IT...TURBO IT AND RUN NITROUS.....BUT HERE'S MY QUESTION......I'VE NOTICED FOR A WHILE THAT PEOPLE HAD EITHER A WET NITROUS KIT OF DRY.....WHAT'S THE DIFFERENCE?? ALSO...WHICH WONE WOULD I RUN FOR MY SETUP :CONFUSED:
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Old 02-10-2003, 01:50 PM
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I FOUND THIS...WOULD A FOGGER SYSTEM WORK FOR ME??

http://www.magnumforceracing.com/sto...s/wetvsdry.htm
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The name's Adrian
1990 Civic HB Si - 265.7whp/223tq @9.2psi. Tuned on NepTune by J.Mills
1991 Civic Sedan DX - 296.3whp/230tq @1bar. Tuned on NepTune by J.Mills
1991 Civic Sedan DX - 185.8whp/139tq. Tuned on NepTune by J.Mills
2006 G35 Coupe 6MT - Stock
2011 CR-Z - Stock
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Old 02-10-2003, 02:44 PM
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The difference between wet and dry systems is how and where the N2O is injected into the engine. With a dry system, the nitrous sprays through the Mass Airflow Sensor in the intake tract, before the throttle body. This allows the computer to sense the extra oxygen coming in b/c of the nitrous and add extra fuel to compensate. With a wet system you have two solenoids. One for nitrous, and one for fuel. With a wet system, a proper amount of fuel and nitrous is sprayed TOGETHER into the intake tract after the Mass Airflow Sensor, usually right at or just before the throttle body. With a fogger(aka Direct Port Nitrous Injection) system, there is a fuel and nitrous solenoid for each cylinder, in your case 4. So 4 fuel and 4 nitrous solenoids. They are mounted on the intake manifold and spray directly through the manifold.
Each system has advantages and disadvantages. Dry systems are best for low hp applications, and for people who are on a little bit tigheter budget, as dry kits are usually a bit less expensive than wet or foggers. However, they rarely are able to push more than about 125hp or so because of the imprecision of the car's computer to add adequate fuel at the right time. Wet kits are usually the best option if you can afford it. They allow precise mixing of nitrous and fuel, and the only real danger is that the nitrous/fuel mixture being sprayed can sometimes puddle in the intake manifold. But that's a rare occurence(never happened on any of my cars in over 200 nitrous runs I'd guess). Fogger systems are usually not necessary. They are for big hp applications(250hp plus, although I'm running my 250 shot through a normal wet kit though). They are extremely accurate with mixture and timing and horsepower measurements are always dead on. They are quite a bit more expensive than either of the other two kits however.
Personally, for what you're planning, I would say splurge and go for the fogger system. In my opinion, when you're running a turbo, you can't really afford for your computer to not provide enough fuel or for the mix to puddle, you will have problems a lot more serious than if you were just running NA. Just my opinion though. Hope that was a little bit helpful. Just ask if you have anymore Qs. I consider myself a nitrous expert
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