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Old 08-25-2003, 03:19 PM   #1
duckride
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Member#: 19065
Join Date: May 2002
Location: San Jose CA US
Default Intercooler Water Spray nozzle

Hey all,
Yesterday I built a spray kit for my intercooler (stock). I secured a five gallon tank in the trunk using bungee chords and put a washer pump on it (bought it from Autozone. Part5-768) Ran the tube through the door moulding and through the firewall and mounted Toro blue Stripe drip nozzles (7 of them. Three on one side and 4 on the other in a kinda staggering config. Got them from the plumbing section of home depot) I then hooked up the pump to UTEC spare solenoid control. Everything works honky dory except the nozzles are a complete dissapointment They just kinda leak (quite profusely actually) when the pump is on no mist no spray nothing. I read on some other post in one of the forums that these are excellent nozzles. Which makes me wonder, am i running the tube too long? Is the washer pump not making enough pressure? or do i have to many nozzles or something? or should i do somehting to the nozzles to get them to mist the water? Or should i be using some other nozzle?

Manoj
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Old 08-25-2003, 08:00 PM   #2
z&cobb
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Member#: 12344
Join Date: Nov 2001
Chapter/Region: MAIC
Location: Mountains of Maryland
Vehicle:
2002 2JC
blue

Default Re: Intercooler Water Spray nozzle

Quote:
Originally posted by duckride
Hey all,
Yesterday I built a spray kit for my intercooler (stock). I secured a five gallon tank in the trunk using bungee chords and put a washer pump on it (bought it from Autozone. Part5-768) Ran the tube through the door moulding and through the firewall and mounted Toro blue Stripe drip nozzles (7 of them. Three on one side and 4 on the other in a kinda staggering config. Got them from the plumbing section of home depot) I then hooked up the pump to UTEC spare solenoid control. Everything works honky dory except the nozzles are a complete dissapointment They just kinda leak (quite profusely actually) when the pump is on no mist no spray nothing. I read on some other post in one of the forums that these are excellent nozzles. Which makes me wonder, am i running the tube too long? Is the washer pump not making enough pressure? or do i have to many nozzles or something? or should i do somehting to the nozzles to get them to mist the water? Or should i be using some other nozzle?

Manoj
I don't know if this can help with all the questions since my system is based on the Sti tank and pump in the trunk. I found that the best setup for my large IC (TXS TMIC) is a linear arrangement of 12 "Misty Mate" nozzles. This produces a fog from each nozzle, and cools the IC down to ambient or below ambient wheneven I see a temp I don't like. A series of 2 to 3 second bursts works well. Here are some links that might help.
Nozzles
My Setup
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Old 08-26-2003, 09:05 AM   #3
omahasubaru
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Join Date: Jun 2000
Chapter/Region: MWSOC
Location: Gretna, NE
Vehicle:
1995 WRX
2002 Legacy

Default

Problem #1: I bet you pump can't push enough water at a high enough pressure to make 7 nozzles mist

Problem #2: I don't think you really need 7 nozzles to accomplish a nice mist when two good ones will do the job

Problem #3: Your hose likely can't handle the capacity needed to feed 7 sprayers @ the right pressure.

This is all based on the information I have from developing & installing a kit on a friends WRX & I'm in the process of replicating it in a cheaper way & with a seperate tank.

Two nice Cone Jet nozzles, a decent amount of water (3/8th in. line) & some pressure will provide such a nice fog. It has also been proven to bring I/C core temps back down to ambient. This is done with a temp probe on the rear of the I/C core on near 100 degree days. He is also using an autospeed controller which is very nice & really do a great job at keeping the I/C cooler. Once set, you can pretty much leave it alone.

Many people are trying to be cheap on the main place that you shouldn't... the pump. They try and offset this with cheaper nozzles as well. It works, but not as well as it could. I'm not talking about spending $125-250 on a I/C mister set-up. Cone Jet nozzles are reasonably cheap, a nice pump can be had for $40 some similar for less. Hose is cheap, fittings are cheap, labor is cheap (if you DIY).

I would try & go back to just 2 or 3 if you have to nozzles & see how that works. If it doesn't do the trick... that's gonna suck.

What kind of pump & what are the specs on it as well as how big of hose do you have feeding to your nozzles & how are you seperating that water from one feed line to the 7 nozzles?

Jon
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Old 08-26-2003, 11:30 AM   #4
mick_the_ginge
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Member#: 27646
Join Date: Oct 2002
Chapter/Region: NWIC
Location: Portland, Oregon
Vehicle:
2003 Sleeved 2.5
Oil Dry Sump Goodness

Default

You need to go large:

DIY Water Sprayer on WRXHackers
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Old 08-26-2003, 04:23 PM   #5
duckride
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Member#: 19065
Join Date: May 2002
Location: San Jose CA US
Default Wrong nozle type

Hey guys, I guess I was just using hte wrong type. I, by mistake got the emitters (and they are for drip irrigation) I went back and got foggers and this seems to work fine (even with 7 nozzles) i get a fine spray. Though I did buy the misty mate today. I want to see if that works better than what i have right now.

Thanks all!
Manoj
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Old 08-26-2003, 05:13 PM   #6
Jon [in CT]
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A good resource for nozzles is www.spray.com since they offer specifications so you can make informed decisions.
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Old 08-27-2003, 03:40 AM   #7
clamdip
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Join Date: May 2002
Default

you should just purchase the STi waterspray nozzles. 2 will do the job just fine. i've got them, well, those with a cusco waterspray nozzle and my IC keeps very cool especially on those hot days. i also have the spec C 12L trunk mounted tank so i can flow much more water over the IC and not have to refill it every day. maybe every week or so, depending.
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