1st annual California Mustangs all ford show
This was the Clifornia Mustangs 1st annual all Ford show,
held in Dublin,CA at Ford of Dublin on 8-19-07. 50% of all the funds
raised by the club went to the Susan G Komen for the Cure. Everyone had a
great time and the weather was beautiful.
Black Intercoolers - Mythbusting Mighty Car Mods
Should you paint your Intercooler black? Does it help to
paint your Intercooler black?
Will painting your Intercooler black increase your cars
performance? No, it will not. The guys at MightyCarMods have made a
fantastic (no sarcasm, it's a great video) video explaining why you should
paint your Intercooler black.
The information they provide is great, but the conclusion is wrong. Let's
take a look at why.
Mighty Car Mods Video
Cold Air Intakes - https://www.youtube.com/watch?v=Hiod1c2Py70
How could heat rejection by convection be improved by adding an insulating
layer? The real answer? It can't. For those of you who haven't checked out
the video, it's fascinating and I highly recommend it. It's actually a
great video, and a well performed test, but it ends with the wrong
Lets talk about radiation and convection for a moment, and why one might
think they should paint their radiator black. It all comes down to
emissivity. Emissivity (on a scale of 0-1) is the rate of radiation that
can be emitted from a surface. In simple terms, how much heat it gives off
Aluminum Foil: E: 0.07,
Black Paint: E: 0.98
The higher the number, the higher the rate of radiation. Blackbody, which
has the highest rate of radiation, has an emissivity of 1.
Black bodies give off the greatest amount of radiation. So one might think
that making an Intercooler
black would improve it's performance, because it would give off more heat.
But this is not the case, because Intercoolers are not designed to
dispose of heat via radiation, but via convection.
Radiation: Does not rely on movement of molecules.
Convection: Does rely on the movement of molecules passing by the hot/cool
object which is giving off heat.
Electronical Stig is correct in his statement that emissivity does not have
to do with convection, but Intercoolers are designed to work off
of convection, not radiation! Why? For starters, because your car moves.
That's also why your radiator has a fan, for when it's stopped it can
supply airflow through it.
If the outlet with no paint has a dT of 100, and the outlet of the black Intercooler has a dT of 97, the
Intercooler with no paint is
rejecting more heat. This means the air inlet temperature of the engine
will be less for a non-painted Intercooler!
In the MightCarMods experiment, the fan was very far away from the Intercooler, meaning airflow was
actually quite low. I would imagine as the fan gets closer, the difference
in temperature between the black and sliver Intercoolers would widen further. Intercoolers are designed for
convection, not radiation. If your car is moving, your Intercooler is going to provide you
better performance with minimal insulation. Aluminum is commonly used
because it rejects heat very quickly under convection A simple example,
touching aluminum foil immediately after pulling it out of the oven. I
would NOT recommend touching aluminum foil painted black directly after
pulling it out of the oven. (Don't touch hot stuff, regardless).
There is not a single car manufacturer which comes with a black Intercooler stock (to my knowledge). Is
this because they don't understand emissivity or how to design an Intercooler? Is it because this a new
secret and now the industry will suddenly change? Absolutely not. Some of
the most brilliant minds are behind automotive engine design, and the
reason Intercoolers are not
painted black is because Intercoolers are meant to reject heat
via convection, not radiation.
- Insulation, hinders convection by adding an additional layer which heat
much travel through, prior to being rejected
- More restrictive, decreases airflow through the Intercooler, preventing proper
- If the Intercooler is
exposed to sunlight, which many are (especially with removed bumpers), the
black Intercooler will absorb
a lot of the heat, where as the aluminum Intercooler actually does a very good
job of reflecting the heat.
- Other hot objects (Exhaust manifold,
engine, turbo, etc.) will put more
radiation into the Intercooler if it is painted black,
heating up the intake charge.
- WARMER AIR INTAKE TEMPERATURE
How much you're going to decrease your performance by is highly dependent
on many factors. In many cases, it may be a small difference, and not worth
noting. The major point is, you will not see an advantage from painting
your Intercooler black,
unless your car never moves, and you don't use convection for cooling the
intake charge. Unfortunately, or fortunately, your car moves, and it cools
the intake charge using convection, so the conclusion.
Do not paint your Intercooler
And don't forget to check out my Facebook page:
New videos every Wednesday!
Black Intercoolers Mythbusted
Is it possible to increase your cars performance with nothing more than a
can of black paint? Marty and Moog run a series of experiments to find out.
Grab mad stickers, tshirts and cool stuff here:
Read More about this episode and discuss in more detail on the MCM Forum:
Also something to note around Mighty Car Mods: we are normal guys and are
not trained mechanics. We like to make interesting car mods and show you
how we've gone about it, but we can't promise that anything we show you
will work for your particular car, or that you won't harm yourself, someone
else, your car or your warranty doing it. Please be safe, be responsible
and unless you know what you're doing, do not fool around with serious
machinery just because you've seen us make it look so easy. Talk to a
qualified mechanic if you are in any doubt.
Has Stig actually stolen an F1 car? - Top Gear - BBC
Incriminating CCTV footage of The Stig from Lotus F1 Team HQ has emerged
ahead of the Top Gear Festival in South Africa...
Some say his droppings have been found as far north as York, and that he
has a full-size tattoo of his face, on his face. But, to our knowledge,
some are yet to say that that he breaks into the headquarters of leading F1
teams overnight on daring smash'n'grab raids.
Until now. Shocking footage has reached Top Gear HQ of our tame racing
driver at the home of the Lotus F1 team, first having his wicked way with a
mini F1 car, and then redirecting one of the V8-engined 2013 cars that Kimi
Raikkonen and Romain Grosjean drove with such distinction to... South
It may well a coincidence that Stig is due to appear at one of the biggest
Top Gear Festivals ever in Durban, South Africa on 21-22 June. It may not.
Check out all the Top Gear Live info here www.topgearfestivaldurban.co.za/
Subscribe for more awesome Top Gear videos:
Top Gear YouTube channel: http://www.youtube.com/topgear
TopGear.com website: http://www.topgear.com
Top Gear Facebook: http://www.facebook.com/topgear
Top Gear Twitter: http://twitter.com/BBC_topgear
This is a channel from BBC Worldwide who help fund new BBC programmes.
Orange County Mustang Cruise
February 17th, 2007
Saleen Store in Irvine, CA
Next Orange County Cruise Info: http://www.Mustangforums.com/m_2824656/tm.htm
Don't blame me for the crappy camera work, I wasn't video taping ;)
Also had to edit a lot to make it appropriate, so that's why its so choppy