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Emu the Foo · 02-26-2008, 11:24 PM

i see. it makes sense, its the force keeping the bubble pushed back and holding it there, not like the mustang that is just flat. but if that vent had the intake there. dang...

Kyle2k · 02-26-2008, 11:54 PM

I don't want to host an image, but...I don't see how a functional vent could decrease aerodynamics escpecially in the Camaro... The reason I say this because with cowl induction alone, the lower pressure will suck air in from the the windsheild thats flowing over the car, Instead with the functional vent, the air will just flow through the front and be pushed out of the cowl, smoothly flowing over the windsheild and past the car....thats just my theory lol

Emu the Foo · 02-27-2008, 12:15 AM

Quote:

Originally Posted by Kyle2k

I don't want to host an image, but...I don't see how a functional vent could decrease aerodynamics escpecially in the Camaro... The reason I say this because with cowl induction alone, the lower pressure will suck air in from the the windsheild thats flowing over the car, Instead with the functional vent, the air will just flow through the front and be pushed out of the cowl, smoothly flowing over the windsheild and past the car....thats just my theory lol

you speak the truth

*GTAHVIT* · 02-27-2008, 12:22 AM

Quote:

Originally Posted by Kyle2k

I don't want to host an image, but...I don't see how a functional vent could decrease aerodynamics escpecially in the Camaro... The reason I say this because with cowl induction alone, the lower pressure will suck air in from the the windsheild thats flowing over the car, Instead with the functional vent, the air will just flow through the front and be pushed out of the cowl, smoothly flowing over the windsheild and past the car....thats just my theory lol

The idea of a vent being "functional is that the vent plugs right into the Air intake. So the air can enter the engine without all the heat from the engine compartment. But The Cowl does the same thing. So to have em both be truly functional is a bit redundant. I was hoping the cowl hood would be for looks and the hood vent would be for air intake.

*DGthe3* · 02-27-2008, 12:28 AM

Quote:

Originally Posted by Kyle2k

I don't want to host an image, but...I don't see how a functional vent could decrease aerodynamics escpecially in the Camaro... The reason I say this because with cowl induction alone, the lower pressure will suck air in from the the windsheild thats flowing over the car, Instead with the functional vent, the air will just flow through the front and be pushed out of the cowl, smoothly flowing over the windsheild and past the car....thats just my theory lol

But as you said, the point of a cowl is to draw air in not blow it out. By having a 'flow through' design you could degrade or eliminate the performance effects of a cowl induction hood. also, engines aren't the smoothest of surfaces, even with the nifty covers that they now have. lots of little bumps and valleys to create drag. How much? I have no clue, but enough to be undesireable I bet. I'm not an expert on any of this stuff so don't treat it as gospel.

Tell ya what, if camero or Fbodfather gives me the CAD files of the Camaro, I can try a simulation and see what happens. You guys use UGS at GM for that stuff don't you? If not I also have SolidEdge and SolidWorks availible (I love this school!). Now, the model would have to include the engines you use, as well as the design of the entire front end, such as headlights. In fact, just put everything you have onto a disc and send it to me. No? I promise I won't tell anyone what those features are, its just for doing a little simulation. Still no? damm, it was worth a shot!

Kyle2k · 02-27-2008, 12:32 AM

Errr, I don't completely agree with you, but we'll leave it at that...Leading me to the next question though...Is the cowl functional? Hahaha, new questions.

*DGthe3* · 02-27-2008, 12:41 AM

Quote:

Originally Posted by Kyle2k

Errr, I don't completely agree with you, but we'll leave it at that...Leading me to the next question though...Is the cowl functional? Hahaha, new questions.

Thats fine, you have at least as good of a chance at being right as I do. Half that post was an attempt to get CAD files. And I only had 1 course in fluid mechanics, that was 2 years ago, and none of it was as complex as car aerodynamics. Done nothing with that stuff since so I only remember the basics. Oh, and I have no clue about on the functionality of the cowl

Kyle2k · 02-27-2008, 12:43 AM

HAha, its all good, Im pre-med and we only had to take an intermediate physics class so your guess is as good as mine.

*KILLER74Z28* · 02-27-2008, 12:46 AM

Looken Good...

camero · 02-27-2008, 05:28 AM

Quote:

Originally Posted by gtahvit

The idea of a vent being "functional is that the vent plugs right into the Air intake. So the air can enter the engine without all the heat from the engine compartment. But The Cowl does the same thing. So to have em both be truly functional is a bit redundant. I was hoping the cowl hood would be for looks and the hood vent would be for air intake.

Yeah we almost left the front vent off the showcar for that very reason... it really makes no sense, but it just looked so cool it stayed on! Then the same thing with the cowl vent (I didn't even think anyone would notice it though).

Quote:

Originally Posted by DGthe3

...Tell ya what, if camero or Fbodfather gives me the CAD files of the Camaro, I can try a simulation and see what happens. You guys use UGS at GM for that stuff don't you? If not I also have SolidEdge and SolidWorks availible (I love this school!). Now, the model would have to include the engines you use, as well as the design of the entire front end, such as headlights. In fact, just put everything you have onto a disc and send it to me. No? I promise I won't tell anyone what those features are, its just for doing a little simulation. Still no? damm, it was worth a shot!

Actually there has been pretty much that very disc sitting on my desk for the past couple weeks. You've reminded me to get it to the shredder today! Thanks!

WCFB-Russ · 02-27-2008, 05:29 AM

it's my understanding that in order to have a cowl hood actually work you have to have a force of air pushing into the cowl hood scoop.

looking at the windshield in the pics...

(and i know this to be true of all the 4th gens, its been discussed to death...trust me.)

...i would think that the windshield is too slanted to create the proper airflow to make a cowl hood functional.

just something to think about...

*GTAHVIT* · 02-27-2008, 07:14 AM

Quote:

Originally Posted by camero

Yeah we almost left the front vent off the showcar for that very reason... it really makes no sense, but it just looked so cool it stayed on! Then the same thing with the cowl vent (I didn't even think anyone would notice it though)....

So, then can we assume that neither is truly "functional"...

If your answer is y..yyy..ye.yee..ee.e..ssss :whew: Then expect your answer to be drowned out with random noise as before.....

Regarding hood vents... If I'm not mistaken weren't the hood vents added to the production corvettes so the race cars could then have them be truly functional without breaking the rules??? Is that part of the reason why the camaro will have them... That and of couse because the Camaro"s will be functional...

Ignorance is bliss. And if that doesn't work, denial is too.

*GTAHVIT* · 02-27-2008, 07:24 AM

Well here are some pic of the Vettes, You can see in the first one that the Air intake ducting is routed to the lower front right valance...

With that huge intake on the top of the hood, I don't see what that little hood vent between the headlights would be good for.... On the Vette.

Croathlete · 02-27-2008, 07:46 AM

The way I understood it, air doesn't actually go into a cowl hood. Air hitting the base of the windshield creates an area of cold low pressure right in front of the cowl opening. This allows heat from the engine compartment to easily escape. So it's more of a vent than an air intake and simply having it cutout would make it functional. Please correct me if I'm wrong.

02-26-2008, 11:24 PM	#99
Emu the Foo Drives: 92 Cadillac Sedan DeVille S/C Join Date: Feb 2008 Location: Long Beach, CA Posts: 328	i see. it makes sense, its the force keeping the bubble pushed back and holding it there, not like the mustang that is just flat. but if that vent had the intake there. dang... __________________ I JUST WANT MY 400+ HORSES

02-27-2008, 12:46 AM	#107
KILLER74Z28 MOD SQUAD Drives: 2G1FT1EW9A9100666 Join Date: Aug 2006 Location: West Michigan Posts: 5,782 View My Garage	Looken Good... __________________ Who cares about the Blue Oval crowd and their little Ponys? We're getting our Camaro back-and it'll be Supercharged!-MDAII Team LS3

02-27-2008, 05:29 AM	#109
WCFB-Russ Drives: ????? Join Date: May 2007 Location: Wandering the Earth Posts: 267	it's my understanding that in order to have a cowl hood actually work you have to have a force of air pushing into the cowl hood scoop. looking at the windshield in the pics... (and i know this to be true of all the 4th gens, its been discussed to death...trust me.) ...i would think that the windshield is too slanted to create the proper airflow to make a cowl hood functional. just something to think about... __________________

02-27-2008, 07:24 AM	#111
GTAHVIT Blessed Drives: 2013 Sonic RS MT Join Date: Dec 2007 Location: Saint Augustine FL Posts: 28,444 View My Garage	Well here are some pic of the Vettes, You can see in the first one that the Air intake ducting is routed to the lower front right valance... With that huge intake on the top of the hood, I don't see what that little hood vent between the headlights would be good for.... On the Vette. Attached Images __________________ Click image to see build thread. PQ - "the love of cars. It's a boys first step toward manhood and a mans last hold on boyhood." Fbodfather - "We do not want to use the Z28 moniker on a car that does not deserve this hallowed name." The_Blur - "Let's not confuse competitors with equals."

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02-26-2008, 11:54 PM	#100
Kyle2k LVL 50 Troll Stomper Drives: 2010 Camaro Join Date: Feb 2008 Location: Indianapolis Posts: 3,463	I don't want to host an image, but...I don't see how a functional vent could decrease aerodynamics escpecially in the Camaro... The reason I say this because with cowl induction alone, the lower pressure will suck air in from the the windsheild thats flowing over the car, Instead with the functional vent, the air will just flow through the front and be pushed out of the cowl, smoothly flowing over the windsheild and past the car....thats just my theory lol

02-27-2008, 12:32 AM	#104
Kyle2k LVL 50 Troll Stomper Drives: 2010 Camaro Join Date: Feb 2008 Location: Indianapolis Posts: 3,463	Errr, I don't completely agree with you, but we'll leave it at that...Leading me to the next question though...Is the cowl functional? Hahaha, new questions.

02-27-2008, 12:43 AM	#106
Kyle2k LVL 50 Troll Stomper Drives: 2010 Camaro Join Date: Feb 2008 Location: Indianapolis Posts: 3,463	HAha, its all good, Im pre-med and we only had to take an intermediate physics class so your guess is as good as mine.

02-27-2008, 07:46 AM	#112
Croathlete Danny Drives: 2010 Camaro 2SS/RS Join Date: Nov 2007 Location: NYC Posts: 1,656	The way I understood it, air doesn't actually go into a cowl hood. Air hitting the base of the windshield creates an area of cold low pressure right in front of the cowl opening. This allows heat from the engine compartment to easily escape. So it's more of a vent than an air intake and simply having it cutout would make it functional. Please correct me if I'm wrong.