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Custom vented hood

did u guys manage to take pictures i wanna see step by step

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Old 07-13-2009, 06:09 AM   #1 (permalink)
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did u guys manage to take pictures i wanna see step by step
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Old 07-13-2009, 06:24 AM   #2 (permalink)
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Flows very well with the car, great job
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Old 07-13-2009, 08:04 AM   #3 (permalink)
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This actually does look really nice. Not sure if you posted a DIY but what kind of mesh did you use?
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Old 07-13-2009, 09:11 AM   #4 (permalink)
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Looks nice. It looks a little inboard of the ideal, but it's close enough and you've got those ridges in the hood to work around (as well as the bracing on the underside), and any heat sucked out of the engine bay will ultimately help.

There's no way I would be able to do a clean job of this myself though, and no way I'm making a roadtrip to NJ for it
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Old 07-13-2009, 10:25 AM   #5 (permalink)
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heres a dumb question, but what happens with water? when it rains I always have these two little piles of water that move up the hood towards the windshield. seems like it would just dump down in there.

Looks good, just not my taste, but well done.
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Old 07-13-2009, 12:29 PM   #6 (permalink)
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Thanks for the comments guys! I will try to answer all your questions.

Quote:
Originally Posted by thispecialk View Post
did u guys manage to take pictures i wanna see step by step
We did take lots of pics of the process and I will post them up later today with step by step instructions.

Quote:
Originally Posted by tvfreakazoid View Post
Nice! I was curious, is the hood more for looks or is it functional?
We designed more for function. The look is just a pleasant by product Once the car was heated up to normal operating temp you could actually see the heat rising from the hood. As far as how much of a drop I would have to measure the under hood temp. Keep in mind the heat only rises when the car is at slow speeds or at a stop. In simple terms, once you reach a certain speed the airflow over the hood essentially seals of the vents. I was stuck in traffic for 2 hours in NY on the way back home and bay temps never went above 210F. Again I need to collect hard data.

Quote:
Originally Posted by CBRich View Post
This actually does look really nice. Not sure if you posted a DIY but what kind of mesh did you use?
To be honest with you IDK but I will find out.

Quote:
Originally Posted by wstar View Post
Looks nice. It looks a little inboard of the ideal, but it's close enough and you've got those ridges in the hood to work around (as well as the bracing on the underside), and any heat sucked out of the engine bay will ultimately help.
Yes the ridges presented a little bit of a problem. We designed it over the exhaust manifolds and have the outside edges flow with the ridges. As for the bracing, we cut straight through them so the engine bay is exposed. It wasn't hard but just required a little finesse.

Quote:
Originally Posted by LSUTurboTiger View Post
heres a dumb question, but what happens with water? when it rains I always have these two little piles of water that move up the hood towards the windshield. seems like it would just dump down in there.

Looks good, just not my taste, but well done.
There's no such thing as a dumb question Everything in the engine compartment is sealed. No exposed wires or anything that might be affected by the water. I had the same mesh in my S2000 and I never had any problems for the 2 years that I had it.

Last edited by Zeto; 07-13-2009 at 12:50 PM.
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Old 07-13-2009, 08:58 PM   #7 (permalink)
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That's good that you guys do it for function and not just for looks. By the way it does look cool.
I hate it when there are kits that are out there and they have all these vents and what not, but there is no function to them. To me that's just a waste.
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Old 07-16-2009, 06:07 PM   #8 (permalink)
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Quote:
Originally Posted by Zeto View Post
In simple terms, once you reach a certain speed the airflow over the hood essentially seals off the vents.
This statement doesn't follow physics. Faster airflow over the vents would create a Venturi effect due to lower pressure above (outside) the vents and pull air from the engine bay out through the vents. This would improve engine cooling at higher speeds.
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Old 07-21-2009, 09:21 AM   #9 (permalink)
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Quote:
Originally Posted by spearfish25 View Post
This statement doesn't follow physics. Faster airflow over the vents would create a Venturi effect due to lower pressure above (outside) the vents and pull air from the engine bay out through the vents. This would improve engine cooling at higher speeds.
We actually had this discussion over on the s2ki forums. Someone drew up an autocad design showing the airflow over the vents. Now I'm no expert but this was how it was explained to me. The airflow over the vents would be considered negative pressure. So unless you had some sort of scoop say ala STi or a dip on the hood itself, the vents wont be as efficient in dissipating heat at higher speeds. Again this was how it was explained to me. I hope you're right in this instance
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Old 07-13-2009, 01:45 PM   #10 (permalink)
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I like it! Looks great!!
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Old 07-13-2009, 05:00 PM   #11 (permalink)
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Looks good, I hope it works.
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Old 07-13-2009, 05:27 PM   #12 (permalink)
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Damn that looks great, OEM look. Might get the balls to do this at some point. Def need a DIY on this!
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Old 07-13-2009, 05:34 PM   #13 (permalink)
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Hey that looks pretty good. Almost perfect in my mind. Could you do some better pictures for us please? From the other side of the hood if possible too.
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Old 07-13-2009, 08:23 PM   #14 (permalink)
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AK approved. Looks good.
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Old 07-14-2009, 12:28 AM   #15 (permalink)
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Quote:
Originally Posted by RCZ View Post
Hey that looks pretty good. Almost perfect in my mind. Could you do some better pictures for us please? From the other side of the hood if possible too.
I will def do more pics tommorrow. Sorry for not posting the DIY but I have to get with my guy so he can give me the actual step by step instruction. He's the master cutter, I'm just an observer
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