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Old 09-05-2009, 10:26 PM   #1 (permalink)
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Lancer Evo VIII hood vent

Hi,

I see that the (newest?) Mitsubishi Lancer Evo VIII has what appears to be a radiator heat vent in the top of the hood:


While it is not ducted, do you think this either helps the cooling and/or helps the aerodynamics?

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Old 09-05-2009, 10:56 PM   #2 (permalink)
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That is the previous generation Evo. I think it is to promote better flow through the rad & intercooler (you can see the intercooler in the lower grille) by letting the hot air out. Here is the latest generation http://pictures.topspeed.com/IMG/cro...a-6_460x0w.jpg
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Old 09-05-2009, 10:57 PM   #3 (permalink)
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Looks like cooling vents but for the intercooler not the radiator.
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Old 09-05-2009, 11:00 PM   #4 (permalink)
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That's pretty far from the newest EVO. They vent the hot coming off all of the various radiating thingies in the front of the car: radiator, AC condenser, (huge) intercooler. Dunno what it does for aero dynamics but it can't help but be good for the airflow across all of those gizmos.
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Old 09-05-2009, 11:03 PM   #5 (permalink)
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i believe this is the current one

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Old 09-05-2009, 11:03 PM   #6 (permalink)
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Where does the Turbo sit on that car? Is it inbetween the heat exchangers and engine block? Could be another huge source of heat right there.
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Old 09-05-2009, 11:09 PM   #7 (permalink)
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ah ha. see theres the heat..

http://www.airpowersystems.com/us_spec/evo/engine.jpg
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Old 09-06-2009, 02:48 PM   #8 (permalink)
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Hi,

It's on the cover of the current Car & Driver, so it can't be that old?
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Old 09-06-2009, 04:02 PM   #9 (permalink)
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The Evo VIII was in production from 2003 through 2005.
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Old 09-06-2009, 06:27 PM   #10 (permalink)
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Do turbochargers generate much heat in themselves? I guess the exhaust gas turning the turbine slows down and sinks more heat into the manifold/turbine assembly, but wouldn't the compressor side of the turbo be reasonably cool?

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