Painting intercooler black - good or not? - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 03-03-2009, 04:57 PM   #21
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Newbsauce, I like that front bumper on the bottom. What is it?
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Old 03-03-2009, 05:06 PM   #22
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I like the idea of painting one side and leaving the other shiny. Gives you the option to switch.
people will race your hood pins. what intercooler?
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Old 03-03-2009, 05:23 PM   #23
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I can't believe I forgot to paint mine. I sure as hell am not removing it now just for that.
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Old 03-03-2009, 05:31 PM   #24
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stein, just pull the bumper cover and get a lot of newspaper and masking tape.
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Old 03-03-2009, 05:40 PM   #25
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I like the bling

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I need Newbsauce's hood pins.
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Old 03-03-2009, 06:06 PM   #26
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how do you like those hood latches? I don't know that I trust the latch in my FM hood.
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Old 03-03-2009, 06:21 PM   #27
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Quote:
Originally Posted by skidude108 View Post
Newbsauce, I like that front bumper on the bottom. What is it?
That is a Racing Beat Type I nose.

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Originally Posted by y8s View Post
people will race your hood pins. what intercooler?
The hood pins are aerocatch, and I love them and the flush look. Obviously they are open in this picture. They seem to work fairly well As for the I/C.. its the big CXracing one that everyone's using. 24x12x3?
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Old 03-03-2009, 06:26 PM   #28
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You bitches don't know what stealth is.

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But yeah paining it won't make much difference. Nothing you'll be able to measure via a change in AIT's.
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Old 03-03-2009, 06:30 PM   #29
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Originally Posted by levnubhin View Post
I like the bling




I need Newbsauce's hood pins.
what kind of hood scoop contraption is that?
where'd you scavange that scoop from on your front bumper?
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Old 03-03-2009, 06:31 PM   #30
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P.S. your new sig is great.
+ Limit 1/x
x -> 0
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Old 03-03-2009, 06:42 PM   #31
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what kind of hood scoop contraption is that?
where'd you scavange that scoop from on your front bumper?

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Old 03-03-2009, 07:00 PM   #32
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But yeah paining it won't make much difference. Nothing you'll be able to measure via a change in AIT's.

I dare you to try to calculate how .001" of coating on .001% of the cooling surface will effect the temps :P
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Old 03-03-2009, 07:12 PM   #33
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I dare you to try to calculate how .001" of coating on .001% of the cooling surface will effect the temps :P
that white-***-bitch can't do it. He just talks on here like he's all hard and ****.
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Old 03-03-2009, 08:01 PM   #34
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Quote:
Originally Posted by Braineack View Post
I dare you to try to calculate how .001" of coating on .001% of the cooling surface will effect the temps :P
Quote:
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that white-***-bitch can't do it. He just talks on here like he's all hard and ****.
Assuming:

h_air = 50 W/m*k
h_aluminum = 221 W/m*k
h_polyethylene = 0.50 W/m*k (closest thing to paint I can find...)

I found some formula and got a heat transfer coefficient of:

without paint: 40.774155458486 W/m*k
with paint: 40.774153752544 W/m*k

For a reduction in heat transfer of 0.0000042%. Not a whole lot. Not 100% sure I did it right though. I'm going over it.
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Old 03-03-2009, 08:32 PM   #35
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i always paint my FMICs black. IM ******* HARD CORE
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Old 03-03-2009, 09:05 PM   #36
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Quote:
Originally Posted by patsmx5 View Post
Assuming:

h_air = 50 W/m*k
h_aluminum = 221 W/m*k
h_polyethylene = 0.50 W/m*k (closest thing to paint I can find...)

I found some formula and got a heat transfer coefficient of:

without paint: 40.774155458486 W/m*k
with paint: 40.774153752544 W/m*k

For a reduction in heat transfer of 0.0000042%. Not a whole lot. Not 100% sure I did it right though. I'm going over it.
emissivity of aluminum = lo fi

emissivity of flat blackness = hi fi

add that to your calcs and smoke it
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Old 03-04-2009, 07:18 AM   #37
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Quote:
Originally Posted by patsmx5 View Post
Assuming:

h_air = 50 W/m*k
h_aluminum = 221 W/m*k
h_polyethylene = 0.50 W/m*k (closest thing to paint I can find...)

I found some formula and got a heat transfer coefficient of:

without paint: 40.774155458486 W/m*k
with paint: 40.774153752544 W/m*k

For a reduction in heat transfer of 0.0000042%. Not a whole lot. Not 100% sure I did it right though. I'm going over it.
Will this formula work for gloss black as well??
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Old 03-04-2009, 07:43 AM   #38
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Was thinking about painting mine.

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Old 03-04-2009, 08:44 AM   #39
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easy thing to do...

black side...


bling side...


Thanks for your advice!
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Old 03-04-2009, 09:45 AM   #40
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Quote:
Originally Posted by patsmx5 View Post
Assuming:

h_air = 50 W/m*k
h_aluminum = 221 W/m*k
h_polyethylene = 0.50 W/m*k (closest thing to paint I can find...)

I found some formula and got a heat transfer coefficient of:

without paint: 40.774155458486 W/m*k
with paint: 40.774153752544 W/m*k

For a reduction in heat transfer of 0.0000042%. Not a whole lot. Not 100% sure I did it right though. I'm going over it.
oh, you a smart nga ah? I can count too! One, two, four, five...count with these rocks, byiatch!
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