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How should i paint my intercooler?

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Old Feb 23, 2005, 07:13 PM
  #16  
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Originally Posted by Whoosh
As the heat travels from the interior of the exchanger to the exterior were it is cooled by the air flowing over it, any coating applied to the exterior would inhibit the cooling process. So to answer your question in a word.....no.
No, not necessarily. The answer is it depends, as you may already know. A coating may hurt heat transfer, but it may improve the heat transfer instead or have no effect. The thickness (which is relatively thin for paint compared to the wall thickness of the IC) and thermal resistivity of the coating would need to be analyzed using heat transfer equations, and the effect could be immeasurable or insignificant from an engineering standpoint. As zlancer mentioned, someone measured temp. on their IC before and after, and didn't find any change. YMMV
Old Feb 23, 2005, 07:40 PM
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Yes it was confirmed by Spearco intercoolers and Garret turbos that using any regular spray paint on the intercooler will not drastically change air temps. So spray away.


Originally Posted by zlancer
theres has been some tests and i think its posted somewhere on these forums. someone used regular flat black krylon spraypaint and an air temperature sensor. there was NO drop in air temperature when the IC was painted with regular paint.

You can anodize the aluminum. You use an electric current and a dye to color the aluminum. I don't feel like typing how to do it so search online. Just paint it.
Old Feb 23, 2005, 09:41 PM
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Originally Posted by Deca Auto
Yes it was confirmed by Spearco intercoolers and Garret turbos that using any regular spray paint on the intercooler will not drastically change air temps. So spray away.

Sweet!! A Krylon flat black would be cool. Thanks people.
Old Feb 23, 2005, 09:47 PM
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http://www.eastwood.com/shopping/pro...radiator+paint
Old Feb 23, 2005, 09:51 PM
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Originally Posted by Darwinator
I'm looking to see if anyone has painted/coated their intercooler. Just curious to see what it would look like black. Kinda want it to be a little stealthy Is there any product like this that would also reduce heat soak?

Any suggestions are cool, thanks.
Check this out https://www.evolutionm.net/forums/sh...ad.php?t=75656

i did it makes it almost invisible had one person ask me where the IC was ..... i said hideing =)P
Old Feb 23, 2005, 10:38 PM
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I painted mine black. just used cheap spraypaint (a very light coat). I would assume that it does affect the intercooler's cooling effeciency, but only a little and I'm not running enough boost through it to notice a difference. If I were to take it to the track, I would probably notice a little difference. After I get my new Injen FMIC, I am going to put a black mesh screen in front of it instead of paint or anodize.


for the record, anodizing is nothing like powdercoat or paint. It is a liquid chemical process. You would have to submerge the I/C into a vat of black chemical dye. This would NOT affect the cooling ability, so it would be the best way to "color" the intercooler.

My car:



Another members car that is painted: (Evo81)



Last edited by RogueSTi; Feb 23, 2005 at 10:41 PM.
Old Feb 23, 2005, 10:40 PM
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^it's also painted
Old Feb 23, 2005, 10:41 PM
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Originally Posted by evo81
^it's also painted
I just saw that... oops! -->corrected!
Old Feb 24, 2005, 04:37 AM
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I stand corrected. My answer was based on fin tube type exchangers used in industry. These are obviously air cooled and never coated.
Old Feb 24, 2005, 11:13 AM
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Looks pretty dope painted, hmmm.
Old Feb 26, 2005, 10:21 AM
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i think it looks good painted black but i got a bigger buschur i dont have the heart to paint the new "grill" for the people that no what a evo is theres no hiding it. mine is wingless but it still looks like a evo . around here in Springfield Mass fri sat nights in downtown people walk out in front of you saying light eem up smoke em,,,,,,,Hey its AWD beotch Those people obviously dont know what the car is the must think its a civic with a body kit......OH SO SAD
Old Feb 26, 2005, 10:25 AM
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Here's mine painted the intercooler black. Ive had it painted since 2003.
Old Feb 26, 2005, 10:39 AM
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I painted mine with no problems, but use radiator paint if you can.

Last edited by eve-slow; Feb 28, 2005 at 07:49 PM.
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