# Painting an IC

**URL:** <https://forums.speedlife.net/t/painting-an-ic/44291>\
**Category:** NYSpeed Automotive\
**Created:** [March 2, 2008, 3:47pm UTC](https://forums.speedlife.net/t/painting-an-ic/44291 "2008-03-02T15:47:13Z")\
**Posts on this page:** 11\
**Page:** 2

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**Author:** ![vt1992s10](https://avatars.discourse-cdn.com/v4/letter/v/73ab20/32.png) [@vt1992s10](https://forums.speedlife.net/u/vt1992s10)\
**Post date:** [March 3, 2008, 6:34pm UTC](https://forums.speedlife.net/t/painting-an-ic/44291/21 "2008-03-03T18:34:15Z")

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> [@Violator](#):
>
> Black paint is the best way to go. It wont hurt efficiency
> 
> Welds do not anodize well…there will probably be a significant color difference

depends on the metal being welded compared to the filler rod, Anodize does add some thickness but a very small amount, it corrodes the aluminum as well as dyes it colors. I’m not sure about the thermo properties of anodized parts vs painted vs no treatment I’ve never had to deal with it on the team.

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [March 3, 2008, 7:22pm UTC](https://forums.speedlife.net/t/painting-an-ic/44291/22 "2008-03-03T19:22:52Z")

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lol at you guys.

you guys are missing the obvious point that the surface area of the front of the intercooler is but a tiny fraction of the heat transfer surface of the IC as a whole. most of the heat transfer is INSIDE the core, not on the FACE.

anodizing it would not be a good idea, because most likely the part will be totally immersed and coated.

just use spray paint and spray the front. try not to let it get too far into the core.

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**Author:** ![articzap](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/articzap/32/7361_2.png) [@articzap](https://forums.speedlife.net/u/articzap)\
**Post date:** [March 3, 2008, 7:30pm UTC](https://forums.speedlife.net/t/painting-an-ic/44291/23 "2008-03-03T19:30:45Z")

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Painting at an extreme angle with the direction of fins, using very light, dusting coats should not get to far in to the core.

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**Author:** ![Studderin](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/studderin/32/7197_2.png) [@Studderin](https://forums.speedlife.net/u/Studderin)\
**Post date:** [March 3, 2008, 7:36pm UTC](https://forums.speedlife.net/t/painting-an-ic/44291/24 "2008-03-03T19:36:36Z")

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I’ve painted a few IC black. You’d think you can just dust it, and it will be fine. It will look black off the car. But installed, when the sun is low, or headlights hit it.  
It will stand out alum. So you need to get some paint in the fins so it doesn’t reflex inside the core.

In those cases for max snky.  
just a FYI

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**Author:** ![Zer0DazE](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/zer0daze/32/7624_2.png) [@Zer0DazE](https://forums.speedlife.net/u/Zer0DazE)\
**Post date:** [March 4, 2008, 5:19am UTC](https://forums.speedlife.net/t/painting-an-ic/44291/25 "2008-03-04T05:19:13Z")

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> [@newman](#):
>
> anodizing it would not be a good idea, because most likely the part will be totally immersed and coated.

but why? its still aluminum… just corroded

please to be teaching me something

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [March 4, 2008, 5:24am UTC](https://forums.speedlife.net/t/painting-an-ic/44291/26 "2008-03-04T05:24:42Z")

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> [@Zer0DazE](#):
>
> but why? its still aluminum… just corroded
> 
> please to be teaching me something

> [@ADA191755 ABSTRACT](#):
>
> Thermal conductivities of several commercial hard anodic coatings are measured using a transient heat-flow technique. These coatings were found to be **effective heat insulators** with thermal conductivities of the commercial coatings averaging 0.7 W/m/K

i’ll see if i can dig up more

counterpoint: heatsinks are often anodized…

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**Author:** ![Nikuk](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nikuk/32/7254_2.png) [@Nikuk](https://forums.speedlife.net/u/Nikuk)\
**Post date:** [March 4, 2008, 5:37am UTC](https://forums.speedlife.net/t/painting-an-ic/44291/27 "2008-03-04T05:37:23Z")

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> [@newman](#):
>
> totally immersed and coated.

this is the only real concern I can think of… however I don’t think it’d be unpossible to a.) cap the I/O b.) run long silicone (or otherwise cheap & durable plastic) hoses off the I/O - long enough to keep them out of the bath

:gotme:

I was just going to spray paint mine.

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [March 4, 2008, 6:03am UTC](https://forums.speedlife.net/t/painting-an-ic/44291/28 "2008-03-04T06:03:09Z")

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> [@Nikuk](#):
>
> this is the only real concern I can think of… however I don’t think it’d be unpossible to a.) cap the I/O b.) run long silicone (or otherwise cheap & durable plastic) hoses off the I/O - long enough to keep them out of the bath
> 
> :gotme:
> 
> I was just going to spray paint mine.

but if you anodize the whole exterior, you cover the entire heat exchanger surface with the anodizing.

if you paint it, you only paint the front, thus you only cover a TINY fraction of the surface area.

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**Author:** ![Nikuk](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nikuk/32/7254_2.png) [@Nikuk](https://forums.speedlife.net/u/Nikuk)\
**Post date:** [March 4, 2008, 6:16am UTC](https://forums.speedlife.net/t/painting-an-ic/44291/29 "2008-03-04T06:16:39Z")

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> [@newman](#):
>
> but if you anodize the whole exterior, you cover the entire heat exchanger surface with the anodizing.
> 
> if you paint it, you only paint the front, thus you only cover a TINY fraction of the surface area.

I as talking bout the internal goodness, as in where the charge passes through.

okay, so what is the average effect he should be afraid of? I wouldn’t imagine coating the entire thing would drop efficiency very greatly. Also, I’m guessing tat we’re not talking about a high end top dollar competitive build here… is he truly going to miss those 8(?)whp? But thats a different discussion.

Again, just spray paint it.

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**Author:** ![Blue\_Eyed\_Devil](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/blue_eyed_devil/32/7292_2.png) [@Blue\_Eyed\_Devil](https://forums.speedlife.net/u/Blue_Eyed_Devil)\
**Post date:** [March 4, 2008, 6:18am UTC](https://forums.speedlife.net/t/painting-an-ic/44291/30 "2008-03-04T06:18:56Z")

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> [@Studderin](#):
>
> Not true, it dose add material. And it is measurable.

Really?  
What material does it add?  
Is it magic pixie dust?

If you use color, it may add .0005".  
I am quite certain that would be a bit thinner than rust-o-leam.

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**Author:** ![Toda\_Party](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/toda_party/32/7354_2.png) [@Toda\_Party](https://forums.speedlife.net/u/Toda_Party)\
**Post date:** [March 5, 2008, 7:17am UTC](https://forums.speedlife.net/t/painting-an-ic/44291/31 "2008-03-05T07:17:17Z")

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that reminds me KINGSARIO, you still have my damn can of this shit. akjgklagjakljeg

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