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Old 07-31-2003, 04:43 AM   #1
Derk1127
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Default Intercooler Sprayer

I searched and didnt really find anything specific. For all of you with an RS-t where do you mount the nozzles for your intercooler sprayer? Do you mount it on the block off plate for the hoodscoop or do you fabricate one to go right underneath your intercooler? Also, for those that use the washer bottle for the sprayer, do you change the fluid in the bottle to only water or do you spray windshield washer fluid on your intercooler (may be a dumb question), or does the tank have two seperate chambers?
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Old 07-31-2003, 12:04 PM   #2
Austin
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Mount the nozzles pointing to spray over the IC - the airflow will direct the water mist through the core. Spraying windshield washer fluid on the core is fine - the only thing in windshield washer fluid is phospates (soap), which won't hurt anything.
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Old 01-09-2004, 08:34 PM   #3
ilmaestro
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I thought I'd bump this thread and ask if anyone has pics or a short writeup on an I/C spray install. Anyone?

jonathan
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Old 01-10-2004, 01:05 AM   #4
Derk1127
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Alrite, i bought the switch for the IC sprayer, now i was wondering what each pinout does on the switch? Would it work if i plug in the cruise control plug? (of course id tap into the power and ground to connect it to a pump) If not does anyone know where i can get a harness for the switch?

Heres the pics of the switch:



Last edited by Derk1127; 01-10-2004 at 01:10 AM.
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Old 01-10-2004, 05:13 AM   #5
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you can get the watter bottle out of a legacy wagon. it has two pumps, one for the front washers and one for the rear washers.

use the front for your washers, and use the rear pump for the sprayer.

that way you can hook up a seperate switch and only spray your ic, or only spray your wipers.
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Old 01-10-2004, 08:51 AM   #6
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not sure where to get a harness but I have all the pinouts.hope this helps
Attached Images
File Type: jpg sti_switches(2).jpg (19.2 KB, 1360 views)
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Old 01-10-2004, 03:19 PM   #7
ilmaestro
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Good info guys!

Derek: Did you purchase that switch from rallispec?

subiekid: Any idea if the legacy water bottle is a similar size/shape to the impreza bottle, so that it will bolt into the stock location? Also, would it be useful to pick up any of the connectors or relays that are used for the second pump?

jonathan
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Old 01-10-2004, 06:38 PM   #8
Derk1127
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Unhappy

Looks like they sent me the switch for the V7-present Sti not the old V4-6 Sti like i needed. Time to send it back...

oh yeah, i got the switch from Subaruwrxparts.com fo $20 in their GC8 section, hopefully they can get the right switch to me. I knew it looked a little to narrow and tall for our cars.
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Old 01-10-2004, 07:32 PM   #9
ilmaestro
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Quote:
Originally posted by Derk1127
Looks like they sent me the switch for the V7-present Sti not the old V4-6 Sti like i needed. Time to send it back...

oh yeah, i got the switch from Subaruwrxparts.com fo $20 in their GC8 section, hopefully they can get the right switch to me. I knew it looked a little to narrow and tall for our cars.
Hey Derek- I know there's also a version 4/5 STi air splitter with mounts on it for spray nozzles that I saw on rallispec's website. I went over to the local subaru junkyard to look for a water tank today, but they closed right when I got there and the guys were jerkoffs as usual anyways (I hate that place).

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Old 01-11-2004, 03:08 AM   #10
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What kind of nozzles do you guys recomend? I heard some people order special ones than the ones you use on the car. Any suggestions? I was just going to get a tank with a pump in it and than install somewhere in the location of the engine bay. Does anyone make a air splitter for the gc8 imprezas or even a sti scoop for the gc8?

Garrett
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Old 01-11-2004, 02:18 PM   #11
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Quote:
Originally posted by garretwp
What kind of nozzles do you guys recomend? I heard some people order special ones than the ones you use on the car. Any suggestions? I was just going to get a tank with a pump in it and than install somewhere in the location of the engine bay. Does anyone make a air splitter for the gc8 imprezas or even a sti scoop for the gc8?

Garrett
The STi air splitter for the GC8 is available through rallispec. Also, there are some STi spray nozzles available from them or from subaruwrxparts.com, but they are about $10 a piece and probably aren't much different then something you could find at home depot. I believe the GC8 STi's had the same scoop as the RS does.

I was hoping someone could post some more info on how wire a pump to a manual trigger button, such as Derk1127 has.

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Old 01-11-2004, 03:39 PM   #12
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I got my stainless splitter on ebay for 30 bucks shipped. I won the auction for 9.99! I took a chance on it and its a pretty nice piece, it even came with a radiator splitter but i couldn't use it because it was for a JDM WRX. The ebay splitter has holes pre drilled for the sti water nozzles which i got from subaruwrxparts.com. I also ordered a windshield washer kit from jcwhitney that ill use for the tank and the pump. Im not sure where im going to mount it yet but i was thinking by the abs thingy in the engine bay on the pasenger side.
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Old 01-21-2004, 12:51 AM   #13
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Alrite, this weekend I finally put in my intercooler sprayer. Here are some pics:

The switch


The tank


The sprayers/splitter


The whole engine bay


The wiring of the switch took some time for my friends and I to figure out since we were using the harness from the cruise control to control the water spray switch. However this is what we came up with:
Wire the Positive from the pump to the Green wire coming from the switch
Wire the ground to the pump to the ground of the switch, you have to cut the ground wire going to the cruise control (black wire) and wire the ground from the pump to that wire (on the harness side not the switch side) that wire will not have any wire going to it on the switch, you can tell this by looking at the pins of the switch.

We mounted the tank using a piece of steel bent into a "V" shape and mounting it onto the passenger side strut tower. We relocated the Idle Air Controller (atleast i think its that) which was mounted onto the bracket on the strut tower to a bracket close by, you can probably see it on the picture. And that was it. I got the tank from JC whitney and the nozzles from exeter subaru, the switch came from Rallispec. I also bought extra tubing from home depot in their drip irrigation section. I also needed some extra wire (the pump kit from JC didnt come with enough wire) and some loom to wrap up the wire. All in all it probably cost around 80 bucks including the intercooler splitter from Ebay.

Oh yeah, I still have that extra switch for a WRX which can be retrofitted to use in a GC8 lying around the house. Ill sell it to anyone for $22 shipped if you want it pm me.
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Old 01-21-2004, 02:05 AM   #14
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Where did you get that splitter on ebay from? How does it work? Will it work with any intercooler or only a certain type? How much did you pay for it?


Garrett
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Old 01-21-2004, 02:55 AM   #15
Derk1127
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I just found it one day on ebay, i was watching a couple but they usually start at 39.99 but i got lucky with one that started at 9.99. The splitters are predrilled for the sti nozzles too! There were a couple on ebay last month but i dont see any on there now, just keep an eye out.

Oh yeah, i think it would work on any IC just as long as the splitter doesnt hit the IC, The splitter hangs down around 3/4 inch from the hood so if you can clear that your gravy, and if not you can always file the splitter down.
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Old 01-21-2004, 02:09 PM   #16
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Derk. Thanks for the writeup. I am looking forward to giving this a try. I'll bump the thread and post my results when I get a chance to do it.

jonathan
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Old 01-21-2004, 02:31 PM   #17
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The best place to mount nozzles is have them spraying almost exclusively on the quadrant of the IC closest to the inlet pipe. This is where the most heat rejection is done by the IC and you'll be making more efficient use of your cooling water.
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Old 01-22-2004, 03:33 AM   #18
Derk1127
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Here you go guys look at what i found on ebay:

http://cgi.ebay.com/ebaymotors/ws/eB...tem=2455394169

Its the exact thing i got, except i got mine a little cheaper.
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Old 01-22-2004, 07:55 PM   #19
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yeah they use to have them up there for $10 but now that they sell regularly on there they bumped up the price
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Old 02-16-2004, 05:33 AM   #20
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If i was going to look for non sti spray nozzles from home depot or such, what should ask them for? would those mister things they have work? I would just buy sti ones from subaru parts but they want like 8 dollars shipping.

-Marc
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Old 02-16-2004, 05:45 AM   #21
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If anyone is interested, I have an auto switch for a GC impreza. I'll let it go for 20 shipped. I did the exact opposite of derek, wanted the V7 switch, got the V6 and earlier.
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Old 02-16-2004, 10:06 AM   #22
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Quote:
Originally posted by supermarkus
If anyone is interested, I have an auto switch for a GC impreza. I'll let it go for 20 shipped. I did the exact opposite of derek, wanted the V7 switch, got the V6 and earlier.
MINE!!! Pmed yoU!
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Old 02-16-2004, 10:15 AM   #23
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FWIW, the Washer Bottle from any 1997-2001 Forester should work just fine. It has 2 pumps and is the exact shape as the Impreza one...
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Old 02-16-2004, 01:24 PM   #24
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man I was going to try to get the switch...oh well enjoy
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Old 02-16-2004, 03:08 PM   #25
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Latinskllz, it's all yours.
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