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Old 07-16-2002, 10:16 AM   #1
digga
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Default water to air intercooler

Are water to air intercoolers more efficient? I found a place that offers one for the rex and was curious. I am interested in upgrading to a bigger intercooler and turbo...any suggestions?
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Old 07-16-2002, 10:26 AM   #2
STEALTH-WRX
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yes much more effecient. water has a 4 to 1 cooling ratio and air has a 1 to 1 cooling ratio. what does that mean to you. water can pull 4 times the heat out of the air than an air to air intercooler. here are some pros and cons:

pros: very very effecient, you can have it where your top mount is, so lag isn't as big as a problem with a front mount, it saves space

cons: it doesn't look as cool as a front mount.
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Old 07-16-2002, 02:56 PM   #3
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pros: ice in the water makes for super-efficient intercooling.

cons: heatsoaks after extended use (track events)
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Old 07-16-2002, 06:21 PM   #4
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I just finished an air to water intercooler. there are a couple of cars that had them stock. first of all there was a subaru in japan that had it. and then the toyota all-trac turbos had them and the GMC typhoon and syclone had them. My Corrado has a custom made one too. The toughest part of the whole system is finding a pump to flow enough water and then not burn up. Then after you get the air to water IC installed you have to get as much radiator in the car as possible. I also added a reservoir inside of my windshield washer bottle so that I could have a good high point to fill the IC full of water and so I could surround the reservoir with DRY ICE. This setup helped elminate all of my excessive stock plumb and the increased Throttle response is great. Corky Bell's supercharged book talks a little about air to water ICs and there are a number of online places to read up. The best one for you would be to read about the wrx in england that installed one

here is mine:






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Old 07-16-2002, 09:39 PM   #5
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Maximum boost baby! Corky loves water to air.

I have a link that sells them specifically for the MY02 WRX...I'll post it when I get to work tomorrow.
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Old 07-17-2002, 12:08 AM   #6
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a jacketed stock WRX IC would make a great a/w. ive considered picking up a core off ebay or something and doing it. the entire setup could be put together for ~250 easily
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Old 07-17-2002, 01:17 AM   #7
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Before my car was destroyed I had found someone to jacket a stock IC for me (ala cosie convert). He charged $600 to weld an aluminum jacket and two injectors and two drains. I had purchased two plastic tanks that I placed in the trunk (wagon) and I was using a BMW water pump (very quiet). It worked on the bench but I never installed it. The guy who did the fabricating for me is a marine mechanic - did a really nice job. I don't trust my TIG welding skills as much as his, and since it had to be air tight, I let him do it.

I will put it in my new WRX, sometime between Oct and Jan depending on my refinance.

Good Luck.
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Old 07-17-2002, 07:43 AM   #8
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Old 07-17-2002, 07:21 PM   #9
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Quote:
Originally posted by Sordid Philosopher
Before my car was destroyed I had found someone to jacket a stock IC for me (ala cosie convert). He charged $600 to weld an aluminum jacket and two injectors and two drains. I had purchased two plastic tanks that I placed in the trunk (wagon) and I was using a BMW water pump (very quiet). It worked on the bench but I never installed it. The guy who did the fabricating for me is a marine mechanic - did a really nice job. I don't trust my TIG welding skills as much as his, and since it had to be air tight, I let him do it.

I will put it in my new WRX, sometime between Oct and Jan depending on my refinance.

Good Luck.


600$?? owww. ive sourced it around town here for WAAY less.
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Old 07-18-2002, 12:39 AM   #10
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Where? Who did the work?
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Old 07-18-2002, 12:47 AM   #11
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My new air/water IC going on next week will look like the one here:

www.SubaruPlanet.com/turbosale.htm

We also have them for the WRX as a bolt on kit.
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Old 07-18-2002, 12:10 PM   #12
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you could have had a custom spearco that flows twice as much with twice the core for the same price.
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Old 07-18-2002, 12:19 PM   #13
digga
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how about the w/a intercooler at GFactor? Is this one any good?

gfactor
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Old 07-18-2002, 01:10 PM   #14
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Digga - The Gforce a/w intercooler is a good product, but the Gfactor is a suspicious product.

Do a search on my name and gfactor and you'll see what some people said about it.

Good Luck.
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Old 07-18-2002, 10:57 PM   #15
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we highly recommend the Spearco A/W and the G-Force or SDR Performance Laminova A/W as the most efficient (why we sell 'em).

Larry
www.Subaruplanet.com
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Old 07-19-2002, 12:11 AM   #16
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ImprezaRS dot com - I have real trouble finding your intercoolers (any intercoolers) on your site (www.Subaruplanet.com)...No offense but your site is cumbersome to use...can you direct me where these A/W intercoolers are?

Thanks.
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Old 07-20-2002, 12:19 AM   #17
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You have to call us at 719-630-SUBY to order.

I have been doing a little work on the site, and will be moving the each of products to their own webpage, and the products page will just be an index of what we sell...

Thanks for the feedback...
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