painting an intercooler

[Robert Myers]

The black color is better at heat transfer but it is preferable that 
the color comes from anodizing rather than paint.  Any difference, 
however, will be pretty small.

Bob


At 09:11 AM 7/24/2008, David Ullrich wrote:
> >From what I've heard/read...a thin layer of flat black pain HELPS with heat
>transfer and makes them MORE efficient. ???
>
>Dave
>-Audiless for now
>-Wanted: 1987 CGT Triple White
>
>
>On 7/24/08, Robert Myers <bob at chips-ur-s.com> wrote:
> >
> >
> > Correct me if I'm wrong but I thought the discussion was about making
> > a custom FMIC black.  My FMIC is completely from aluminum and does
> > not have plastic end caps.
> >
> > The OEM IC (S-car version) does have plastic but it is hidden where
> > you can't even tell if it is colored at all.
> >
> > BTW, anodizing is the better way to go than black paint.  A layer of
> > paint will add a bit of heat flow resistance which will make the FMIC
> > a little less effective at cooling charge air.
> >
> > Bob
> >
> > At 08:30 AM 7/24/2008, Kneale Brownson wrote:
> > >Don't they have plastic endcaps?
> > >
> > >Nick Lawrence <nick at beol.net> wrote:  Where might one go to get
> > >something the size of an Audi intercooler anodized
> > >and any guesses to the cost.
> > >TIA
> > >Nick central Ohio
> > >----- Original Message -----
> > >From: "thejimrose"
> > >To: "Max Baker"
> > >Cc: "Audifans"
> > >Sent: Tuesday, July 22, 2008 6:55 PM
> > >Subject: Re: painting an intercooler
> > >
> > >
> > > > thanks max! i think that's the route i'm going to go - just a flat
> > black
> > > > ano
> > > > for the stealth look.
> > > >
> > > > cheers
> > > > jim
> > > >
> > > > On Mon, Jul 21, 2008 at 5:47 PM, Max Baker wrote:
> > > >
> > > >> Jim,
> > > >>
> > > >> I anno'd my FMIC black on my GTI. It's a VR6 Turbo and I didn't want
> > to
> > > >> be "that guy" with the way the CHP treats you for making modifications
> > to
> > > >> your car :)
> > > >>
> > > >> I did not do a before and after dyno of the FMIC w/ and w/out anno,
> > but I
> > > >> have not had any negative effects by annodizing it. I too seriously
> > > >> doubt
> > > >> that annodizing will do anything noticable to the heat transfer. If
> > you
> > > >> were worried about it, then upsize the intercooler by 5% and that
> > would
> > > >> probably make things equal.
> > > >>
> > > >> Before: http://warped.org/pix/displayimage.php?album=37&pos=29
> > > >> After/Installed:
> > > >> http://www.abmotorsports.com/bobs07/bobs07035.jpg
> > > >>
> > > >> Almost nobody notices it, it's very sleeper. Just get black couplers
> > to
> > > >> match.
> > > >>
> > > >> -m
> > > >>
> > > >> On Mon, Jul 21, 2008 at 05:34:18PM -0700, thejimrose wrote:
> > > >> > does anyone have any enlightening information about painting,
> > coating
> > > >> and/or
> > > >> > anodizing a bar + plate intercooler? i've bought one to mount to the
> > > >> front
> > > >> > of my a4, and despite irrefutable performance advantages I just
> > don't
> > > >> want
> > > >> > to be 'that guy' with the big IC up front. it will fit behind the
> > stock
> > > >> > bumper, and i'd like to black it out for stealth reasons.
> > > >> >
> > > >> > i've been told that anodizing won't help or hurt the heat transfer,
> > but
> > > >> is a
> > > >> > nice durable finish. being a cheapskate i'd like to use the
> > > >> > spec-radiator
> > > >> > paint that eastwood sells - any btdt?
> > > >> >
> > > >> > thoughts? thanks!
> > > >> > jim
> > > >>
> > > >
> > > >
> > > >
> > > > --
> > > > --------------------------------------------------------
> > > > Understeer is when you hit the wall with the front of the car and
> > > > oversteer
> > > > is when you hit the wall with the rear of the car. Horsepower is how
> > fast
> > > > you hit the wall and torque is how far you take the wall with you.
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>
>--
>David G. Ullrich
>Cavu Consulting
>"Finally, Affordable Technology Help"
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