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Does anyone know a thing or two about radiators & fans?

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Old Jun 21, 2005, 03:00 PM
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Does anyone know a thing or two about radiators & fans?

Taken from Buschur Racing web page...



I'm interested in this radiator, but I'd like to know more about it. Specifically if it'll be efficient enough for daily driving. I called and talked to Buschur, and they said they'd call me back (the guy didn't have the info with him) but I'm trying to some more homework, while I wait for their call.

Furthermore, how about fans? I need a slim fan that's more efficient than the stock fan.

Anyone have details on the efficiency of stock radiator and/or fans?
Old Jun 21, 2005, 06:50 PM
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Old Jun 22, 2005, 04:52 AM
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From the looks of it, it's smaller than a stock radiator. Should be okay if you're just driving up and down pit lane, but I don't know if I'd want to sit in traffic on a 90 degree day with the A/C on with that little guy. It's more geared towards a car that has other "stuff" that won't allow you to run a full size radiator, like a turbo that could suck squirrels and other rodents off the side of the road and into the impeller.

I believe PWR and Koyo make full size replacement radiators.
Old Jun 22, 2005, 05:22 AM
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Fuidyne makes one for the evo too! dont know much about it thou, go with some FAL slim line fans and splice into factory electric, should work. Thats what i was planing on doing!
Old Jun 22, 2005, 05:57 AM
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Yea, that's what I'm looking for is half the size, same efficiency.

Damn, ARC makes expensive radiators!
Old Jun 22, 2005, 06:00 AM
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Why even bother if it's half the size? Just keep the stock one?

Plan on downgrading to a K03 turbo as well? :-)
Old Jun 22, 2005, 06:11 AM
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I don't know the formula but you could go half the width and make it up with core thickness and fin count. The biggest problem will be actually getting air to flow through it instead of around it. If you built some type of duct work to give the air no choice but to go through the core would help you in that scenario. As far as fans go I would use SPAL they've got a large range of fan sizes and blade configurations. You also have to consider fluid capacity. You wouldn't want any less volume than the factory radiator if it's going to be street driven or road raced.

I would call someone like fluidyne and explain your needs to them and see what they say.

Last edited by hotrod2448; Jun 22, 2005 at 06:20 AM.
Old Jun 22, 2005, 06:17 AM
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I'll give Fluidyne a call today.

4g63, I need more room for my k04 to fit in!
Old Jun 24, 2005, 07:14 AM
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really good for using an elaborate manifold and big turbo (since it gives loads of extra clearance), but these are typically "one pass" rads - meaning, drag use only, not really good for sustained use
Old Jun 24, 2005, 07:58 AM
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Yeah, I'd like to see a setup like that last for 30 minutes with someone actually turning the steering wheel and using the brakes.
Old Jun 24, 2005, 08:06 AM
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power steering? Who needs that??!
Old Jun 24, 2005, 08:10 AM
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This guy.
Old Jun 24, 2005, 08:24 AM
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more drag on the motor!! COuld be faster!!
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