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  #1  
Old 06-25-2013, 07:55 AM
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Custom hood questions...

I tried lookin this up in the search and did not see too much. As you may or may not know Ive been working with what I believe to be abit too high EOT's. I noticed this to be a issue with speeds over 75mph with oat's over 95*. I am currently lookin at a more free flowin grill set up but then I got to wondering what about a hood scoop (their is probably a better name for this but forgive me Im a 70's kid okay..)
If you look at the OEM hood set up the heat has no were to go but down. So if you had a reverse cowl induction style that let the air flow out would that be effective??
Just wondering what your thoughts are on these. Thanks

For example-http://www.streetbeatcustoms.com/Extreme-Dimensions/Hoods/Ford-F250-Superduty-Extreme-Dimensions-Duraflex-Cowl-Hood-_-1PC-_-107946/866872/
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Old 06-25-2013, 08:13 AM
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I don't see where the air is going to get pushed up if it comes in at the same places.

Maybe i'm missing something and there is channels underneath?

Denny
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Old 06-25-2013, 08:33 AM
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Im wondering about the hoods with the opening facing the windshield. Wouldn't this give the air another route to exit, and there fore allow more airflow, and lower the under hood temps and allow more air through the radiators??
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Old 06-25-2013, 08:39 AM
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in theory it all about IAT the old air cleaner on top of a carb loved a cowl hood

but Ours are located up front
I have never seen anyone mention lower EGT's , ECT's or cooler AC due to the condenser flow improving with a cowl hood

I am also in the market just because thanks to Ford eliminating the hood blanket My paint is a little cloudy near the turbo

so If I am having anything painted it is going to be custom LOL
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Old 06-25-2013, 09:05 AM
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Boy o boy lookin at these things...they sure can get pricey.
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Old 06-25-2013, 12:08 PM
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Actually the area right in front of the windshield and where the cowl hood would end becomes a low pressure area. Look at how a Nascar engine sits in the race car. This is right where they draw the air for the carb from. Not much going out through here.

You need a heat extractor hood like Layson has on his truck.
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Old 06-25-2013, 12:19 PM
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The heat extraction hood might be the best bet
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Old 06-25-2013, 12:20 PM
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Here's what it looks like
ford heat extractor hood - Google Search
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Old 06-25-2013, 12:31 PM
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That's the hood I have and love it. Cant tell you if it makes a diff in temps but you sure can feel the heat come out of the upper vents.

Sent from AutoGuide.com App
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  #10  
Old 06-25-2013, 12:44 PM
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You would think a cowl hood lets air out the back....but that's not the case lol. The air flowing under the truck actually causes air to be sucked in at the cowl, hints the name Cowl induction.
As evident by the leaves always stuck to mine lol.
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