wet or dry
10-17-2002, 04:09 AM
#2
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Neither! a dry sysem is easier to set up and is best suited to low power gain applications, a wet system requires plumbing into your fuel system, is considered a bit safer to the motor ( your mixing juice with fuel directly ) but it is much harder to install. Both run the risk of making nice holes in pistons if anything goes wrong. If your looking for cheap simple diy the go dry, if you want hi hp gains ( 100+ hp ) go wet, and then again there is no real rule to any of this.
10-17-2002, 05:42 AM
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Brendan is right... but i would differ slightly
I would not recommend a regular wet kit with a 100 shot...
Point being... Uneven distribution of fuel
Not enough fuel in 1 cyl. is enough to cause a hole in a piston... i know by experience
I dont recommend wet kits on anything over a 85-95
You want 100 or more... get a direct port
But if you just want the regular 55-65 shot, a dry kit will do just fine
[ October 17, 2002, 10:22 PM: Message edited by: JAWS 021 ]
I would not recommend a regular wet kit with a 100 shot...
Point being... Uneven distribution of fuel
Not enough fuel in 1 cyl. is enough to cause a hole in a piston... i know by experience
I dont recommend wet kits on anything over a 85-95
You want 100 or more... get a direct port
But if you just want the regular 55-65 shot, a dry kit will do just fine
[ October 17, 2002, 10:22 PM: Message edited by: JAWS 021 ]
10-17-2002, 07:45 AM
#4
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Heh, my turn,
Wet is better if its an NX system, do not use a NOS wet (cheater) system on an EFI.
Dry is good up till a 50 shot. Past that you'll need bigger fuel pump and larger injectors to allow for more fuel flow.
Also the NX kits are good up to 250HP jetting through the intake. I personally would't go higher than a 200 through the intake due to the possibility of an IM or nitrous backfire, which is where the added fuel through the intake pools up in the IM and then ignites. This is why I said not to use a NOS wet system. They have a bad reputation for this type of problem.
As far as the uneven distribution to the cyl, it all depends on how good the nozzle is. NX and TNT have the best nozzles on the market. They atomize the nitrous and fuel enough to where it almost becomes a gas instead of a liquid. Of course nitrous is already a gas.
Wet is better if its an NX system, do not use a NOS wet (cheater) system on an EFI.
Dry is good up till a 50 shot. Past that you'll need bigger fuel pump and larger injectors to allow for more fuel flow.
Also the NX kits are good up to 250HP jetting through the intake. I personally would't go higher than a 200 through the intake due to the possibility of an IM or nitrous backfire, which is where the added fuel through the intake pools up in the IM and then ignites. This is why I said not to use a NOS wet system. They have a bad reputation for this type of problem.
As far as the uneven distribution to the cyl, it all depends on how good the nozzle is. NX and TNT have the best nozzles on the market. They atomize the nitrous and fuel enough to where it almost becomes a gas instead of a liquid. Of course nitrous is already a gas.
10-17-2002, 07:53 AM
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I would never, EVER, run a single fogger wet shot over 80 horsepower on one of these cars. If you want over 80hp on any system in these cars reliably, go direct port.
You might think fuel atomizes better, but the simple fact is that fuel is heavier than air, no matter HOW well it atomizes. It WILL fall out of suspension, and the more fuel you're trying to spritz into the air, the heavier the mixture becomes and thus the faster it falls out.
Simple physics. Don't jack with it.
General decent rule:
Dry: 55hp
Wet: 75hp
Direct: 100hp (which is inherently wet)
There are exceptions to the above. Obviously there are some dry kits that people are running which seem to be doing ok at 65 and even eek! 75, but that's really pushing it.
All things considered, a dry single fogger is safer than a wet single fogger, so long as your injectors can keep up with the fuel. You will not have a dry system ever backfire into the intake manifold, because NO2 gas is not flammable -- but you bet your ass that fuel is.
A direct port system is the safest by far, and as such can safely run a LOT more nitrous without issue. The effective limit on a stock motor with a direct port system is 150hp, but requires some method of keeping it under wraps until higher RPM's.
Usually, that's done with a progressive controller or multiple stages.
[ October 17, 2002, 02:56 PM: Message edited by: Red ]
You might think fuel atomizes better, but the simple fact is that fuel is heavier than air, no matter HOW well it atomizes. It WILL fall out of suspension, and the more fuel you're trying to spritz into the air, the heavier the mixture becomes and thus the faster it falls out.
Simple physics. Don't jack with it.
General decent rule:
Dry: 55hp
Wet: 75hp
Direct: 100hp (which is inherently wet)
There are exceptions to the above. Obviously there are some dry kits that people are running which seem to be doing ok at 65 and even eek! 75, but that's really pushing it.
All things considered, a dry single fogger is safer than a wet single fogger, so long as your injectors can keep up with the fuel. You will not have a dry system ever backfire into the intake manifold, because NO2 gas is not flammable -- but you bet your ass that fuel is.
A direct port system is the safest by far, and as such can safely run a LOT more nitrous without issue. The effective limit on a stock motor with a direct port system is 150hp, but requires some method of keeping it under wraps until higher RPM's.
Usually, that's done with a progressive controller or multiple stages.
[ October 17, 2002, 02:56 PM: Message edited by: Red ]
10-17-2002, 03:29 PM
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thanx red...
I should recommend 80 from now on... since people always push the envelope a tad (i know by experience)
a wet 200 shot is suicide in my opinion... it really doesnt matter what kit it is, its the theory behind it.
For a 65 i strongly suggest you upgrade your fuel pump regardless if you go wet or dry
I really dont like recommending ZEX or NOS, so either NX or Venom will be good
I should recommend 80 from now on... since people always push the envelope a tad (i know by experience)
a wet 200 shot is suicide in my opinion... it really doesnt matter what kit it is, its the theory behind it.
QUOTE
4CyLofFuRy:
mmm ok
would u suggest wet or dry for 65 shot?
Either one... usually it comes down to costmmm ok
would u suggest wet or dry for 65 shot?
For a 65 i strongly suggest you upgrade your fuel pump regardless if you go wet or dry
I really dont like recommending ZEX or NOS, so either NX or Venom will be good
10-17-2002, 09:56 PM
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Although I am very new, since we are doing recommendations I do not recommend NX. Every where I read people are haveing problms with NX kits. The selonoids are crappy and tend to stick open, there is one other problem but I cant remember.