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Old 04-02-2001, 06:30 PM   #1
wigglesxjr
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Post Intercooler Sprayer for the US-Spec

hmm...knowing that i hardly use my windshield sprayers, often opting to just pull into a gas station for a quick sqeegee down, i figured that i could re-route the outlets of my sprayers onto the TMIC to turn it into a sort of IC sprayer...anybody else thing of this? would it be neccessary/help anything, and if so, how difficult would it be...i've got my rex on order, otherwise i'd look under the hood myself.
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Old 04-02-2001, 07:22 PM   #2
allbent
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I have also been having thoughts along this line....went so far as to buy some super miniature sprinkler heads that create a fine mist from relatively low pressure/volume. I was figuring I would keep it so I could just switch the supply hose back and forth for those sloppy days (when the intercooler probably doesn't need to be cooler...). Maybe a boost dependent switch wired in that could be turned on and off...........

Maybe once the intitial grin factor wears off.



Adam
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Old 04-02-2001, 08:10 PM   #3
wigglesxjr
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hehe...nice to know i'm not the only mad one around here thinking about this=)...if you ever do the mod, post how that goes, and i'll be sure to do my own research as soon as i get the car...darnit, second allocation, get yur arse over here!
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Old 04-02-2001, 09:03 PM   #4
dug-e-fresh
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I had the same idea, but it was shot down by the other board members. I beleive I posted it about a week or 2 ago. They said there are kits already out that would be easier to install than modify the existing sprayers. I think it would be cool, yet ackward. Now if the left stem had the wiper sprayer that would be nice. It would still be neat to have someone attempt it. If any of you do let me know of the results.
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Old 04-02-2001, 09:07 PM   #5
BlazeYellowWRX
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Just use an NOS spray bar, and a water injection system. then you can generate a higher PSI of water spray into the intercooler. Then Again, the wiper sprayer mod might actually work. I would like to see if someone does it.
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Old 04-02-2001, 10:09 PM   #6
kaos200
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I've done it, it works good, but only notice alot on hot hot days...
Helps for stop light draggin' (less heat soak)
although I have a badass spearco intercooler (huge thing!) so that is doing most of the work...
would work really well on a WRX though IMO...
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Old 04-02-2001, 10:24 PM   #7
blkwag
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MRT in Australia has a nice kit for it. It even includes a factory type switch and a heavy duty pump to generate the kind of psi to be effective.

I also thought about this but I don't think it will work very well with our measely little pumps. The best thing to do is get a heavy duty pump(something larger than a roll of quarters). You can use NOS spray bar like someone mentioned or if you're good with metals, make your own.

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Old 04-03-2001, 10:01 AM   #8
Alan
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This makes me think that the wagon has an advantage! The WRX wagon has a separate pump to run the rear window sprayer, and in the summer when you never use that, a simple change would let the rear sprayer become the intercooler sprayer, and I'd still have the front window sprayer also. Just a simple change to the plumbing, and the spray bar on the intercooler.
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Old 04-03-2001, 10:50 AM   #9
Adrian128
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I have thought about this too, and I was already looking for fine spray nozzles.. then one day I opened the bonnet after getting home and guess what.. the windscreen washer liquid was very very hot. I didn't realize it until then but due to the high temps under the bonnet it is only normal for the liquid to heat up. Someone correct me if I'm wrong, but having a water spray system that sprays hot water will not be that beneficial compared to one that is spraying colder water. I guess that idea would have to be ditched.. I would have to get the proper kit with the water tank somewhere in the trunk.
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Old 04-03-2001, 12:09 PM   #10
DeliciouSpeed
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Even warm water will still be colder than the IC. The real benefit of spraying water on the IC is that the moisture excellerates heat disipation.

Ken
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Old 04-03-2001, 12:21 PM   #11
98mpreziveRS
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actually the majority of the guys running water sprayers use a remote resorvoir loacted in the boot, which keeps the liquid cool and is easier to do routine maintance on (like check for leaks ) becuase you can get to 90% of it witout unmounting the beast

And the I/C sprayer on the STI mounts in that nifty little fin looking thing in the middle of the hood scoop and is more like a mist than a spray. This covers more area with H20 in order to get the whole thing cooled, rather than just a small section with the stream you get from the washer nozzles...or does the subie have the fan type nozzle..i have not been in one so long i forgot
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Old 04-03-2001, 03:14 PM   #12
Thug
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If you wanna get really trick, use isopropyl alcohol instead of water. Just be careful.
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Old 04-03-2001, 04:05 PM   #13
gossamer_monster
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Call me crazy but spraying a extremely flammable liquid on a hot engine and possibly the exhaust system seems a little dangerous. But maybe it`s just me.
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Old 04-03-2001, 06:12 PM   #14
zaidallas
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yeah i've thought of using stuff like that but they're flammable and also they'll evaporate while still in the container and probably blow up the container from exessive fumes.
that article was pretty interesting. the auther says its better to spray and cool the IC before on-boost driving and not spraying while under boost unless if under boost for a long period of time. i guess i'll have to spend time this weekend adjusting my computer
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Old 04-03-2001, 08:17 PM   #15
kaos200
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oh yeah forgot to mention used specific i/c spray nozzles so it's nice and misty!
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Old 04-03-2001, 08:21 PM   #16
Thug
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The isopropyl alcohol is more for front mount intercoolers, that way it wont get on the engine. I would also have the container located in the trunk if I was going to do this.
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Old 04-03-2001, 09:40 PM   #17
Digital_Boy
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I had a sick idea...

Take a NOS spray bar, and instead of spraying water through it, hook up a CO2 bottle...

That would make the IC nice and frosty.
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Old 04-03-2001, 09:43 PM   #18
tom@kartboy
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actually we used liquid nitrogen
it makes snow on the IC
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Old 04-03-2001, 10:48 PM   #19
Akiata
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Ha! I can get all of the refrigerant (for air conditioners) I want for free! Well, almost all I want. When the liquid refrigerant comes out and is at 0 psi it is -40 degrees! (R-22) Just don't tell the EPA.
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Old 04-03-2001, 11:20 PM   #20
Minnesota WRX
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Please Please Please. Don't use any alcohol! It is very flammable and I don't want to read about any burned down WRX's.

Liquid Nitrogen is very cold and cheap per pound. I would use a N2O bottle and solenoids The only problem is the size of the bottle to be worth the effort. Other than for drag racing that is. Also watch where you spray it because Nitrogen displaces Oxygen which your engine needs (Read: Keep it away from your intake).

I still think _atomized_ water from a professional high pressure nozzle will be the most effective. I'm going to build a custom water tank out of aluminum that goes in the front passengers wheel well where the intake resonator box was. Also using a high pressure pump and a Pro water atomizer nozzle. This is going to be controlled buy the Intelligent Intercooler Water Spray Controller sold by Autospeed.

This will come together when it gets a little warmer here in Mn. We still have snow on the ground! Are we really going to hide Easter Eggs in the snow?

Todd
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Old 04-04-2001, 01:23 AM   #21
zaidallas
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i'm using an IC sprayer kit that uses the existing reseviour for winshield sprayers. the nozzles that i got spray a mist which is good but the water gets hot sometimes and would acutally be hotter than the IC after a long drive on the highway, so its only good to spray in the city . so now i'm thinking about getting a seperate one in the trunk to keep the water cool
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Old 04-04-2001, 01:59 AM   #22
Zahnster
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Aquamist is probably one of the better things out there for this. Autospeed had a really good article on this. The best time to spray the intercoller may not be when you think it is
http://www.autospeed.com/A_0527/page1.html
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Old 04-04-2001, 11:30 AM   #23
MattSEG
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What would happen if I were to put a piece of dry ice on the IC while I was putzing around dragging people in the evening, while cruising?
-matt
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Old 04-04-2001, 04:08 PM   #24
Imprezer
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I have just finished my 1st stage of IC Sprayer installation. I installed the genuine STi spray nozzles and fed them with windsheild wiper sprayer fluid. Thats just for now. Tommorow, I am installing the Intelligent IC water spray ECU and install its own water pump. Stay tuned...
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Old 04-04-2001, 05:11 PM   #25
Frank
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I don't know if it has been discussed here before or just dismissed but has anyone even done serious research into an active cooling device for an intercooler. Basically like a Peltier for a CPU. Those things cool like a mother. I guess some things to worry about would be adding an extra battery for the power but you could basically replace the intercooler with a giant peltier, you'd get
-0 temperatures from active cooling. I don't know if it would be cost effective or not but with the proper implementation i suppose it could work.
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