2005 gt and hood scoop and aerodynamics. - Ford Mustang Forum
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post #1 of 19 (permalink) Old 08-16-2016 Thread Starter
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2005 gt and hood scoop and aerodynamics.

OK..have decided Im going to join those poser side and add a fake hood scoop.Going with the ones where it just sticks on with 3m tape.Im not freaking drilling holes in my hood for a fake ass plastic hood scoop!!!

Question is about will this thing stay on at 75mph>or will it lift off.3M stuff is pretty strong.So will it just bend the hell out of plastic and crack.I mean air has no way out .No vent holes in back of themThat scoop is going to want lift up like a wing.

I looked for mustang wind tunnel tests to see what is happening with air as it goes over that front end of a mustang.Its basically just a brick up front.
I did find this pic..
Looks like farther back scoop is It should be to low to catch the air??Air goes over haodd and by mid hood its looks to be a good 6-8" above hood scoop location??
What you think???

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post #2 of 19 (permalink) Old 08-16-2016 Thread Starter
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pic 2

:Just for my future reference::
http://bigmike.marlincrawler.com/for...x.php?topic=33

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post #3 of 19 (permalink) Old 08-16-2016
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I have a 06 GT wih the looks only hood scoop from the factory I assume. It is fine at 90-100 for me. I sums it's just stuck on as I see no bolts or anything.

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post #4 of 19 (permalink) Old 08-17-2016 Thread Starter
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Ahh..I was looking for hood scoops on ebay and ended buying 2 of these..There like $7 a piece.
I have 6" wide racing striped going down hood.Centered stripe with windshield wiper spray.So Im going to mount then about a foot back from hood,Over the stripe. I know cheap China made and 3m tape is cheap china brand thatss ticks like chewing fum.I have some left over duplicolor perfect match and going to paint them body color.
There 7 " wide and 10" long.
They were only $7 .So $14 and free shipping...lol.

Im gonna space them a bit like this.Center them over the racing stripe.Stripe is 6" wide and scoop is 7"..

Hers a video of a guy with his $5 ebay hood scoop.Pretty much looks exactly like onee I got
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post #5 of 19 (permalink) Old 08-17-2016
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My 08 GT has the factory "dress up"hood scoop, which I do not like at all. In my opinion, it spoils the lines of the car. In fact, if I could find a mint Torch Red hood without the scoop, I'd try to work a trade.

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post #6 of 19 (permalink) Old 08-17-2016
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Quote:
Originally Posted by stratotak View Post
OK..have decided Im going to join those poser side and add a fake hood scoop.Going with the ones where it just sticks on with 3m tape.Im not freaking drilling holes in my hood for a fake ass plastic hood scoop!!!

Question is about will this thing stay on at 75mph>or will it lift off.3M stuff is pretty strong.So will it just bend the hell out of plastic and crack.I mean air has no way out .No vent holes in back of themThat scoop is going to want lift up like a wing.
The best solution would be to mount the hood scoop as far back as possible with the opening pointing backwards. It would look like a mini cowl hood.


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post #7 of 19 (permalink) Old 08-17-2016
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Originally Posted by Bullitt95 View Post
The best solution would be to mount the hood scoop as far back as possible with the opening pointing backwards. It would look like a mini cowl hood.
Just picturing that in my mind sounds hideous lol



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post #8 of 19 (permalink) Old 08-17-2016
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Quote:
Originally Posted by Tinkindling View Post
My 08 GT has the factory "dress up"hood scoop, which I do not like at all. In my opinion, it spoils the lines of the car. In fact, if I could find a mint Torch Red hood without the scoop, I'd try to work a trade.
Ditto - I would ditch the scoop if I could- it has no function. It also holds water so after a wash I have to go back a few times to dry the water that runs out of the corners.
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post #9 of 19 (permalink) Old 08-17-2016
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I agree, it spoils the lines of the car aesthetically. Just another opinion.


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The Bullitts from the 05-09 body style look the best to me, no scoop, no spoiler, great wheels, and I like the dark green/black colour scheme. My opinion only.

BTW, I notice that they are usually premium priced on the used car market, but so tempting...

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post #11 of 19 (permalink) Old 08-18-2016 Thread Starter
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Which looks best??When car has racing stripes and hood scoop is a solid body color or when hood scoop has same stripes on them?? I like when scoop follows stripes.
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Quote:
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Just picturing that in my mind sounds hideous lol
Personally I wouldn't bother adding anything to the hood at all. I think Ford nailed the design of the 05-09 GT right from the factory so I chose to maintain its original appearance. I do like the cleaner, more minimalist look of the Bullitt but the fog lights, grille pony, and rear wing won't be coming off my car though.
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I don't think you need to worry about the aero. Pretty sure the top of the hood is a pretty dead air area, the air flows upward off the front of the hood and up over the roof. That's why "functional" hood scoops in that location don't really do much.

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Quote:
Originally Posted by ConfederateJoe View Post
Just picturing that in my mind sounds hideous lol


It's also a much better way to supply cold air to a carburetor or a throttle-body injection than any low-lying forward facing hood scoop. You'd have to stick a forward facing scoop a few inches up into the air stream to do any better.

Good aerodynamic solutions don't always appeal to everybody, and attempts that do appeal aesthetically are apt to be poor aerodynamically. I guess with hood scoops the choice is between looking cool to the people who don't understand aerodynamics . . . or smart to the people who do.


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Quote:
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The best solution would be to mount the hood scoop as far back as possible with the opening pointing backwards. It would look like a mini cowl hood.
I realize this is a 3 and a half year old thread and I'm hoping you're still around to see this reply. You're the only one so far to suggest this. I'm looking for a low-cost solution to vent heat from my engine bay, mostly for comfort reasons. My car is a stock 2008 GT, so I haven't experienced any performance issues from excessive heat, due to no mods. I found a hood locally for a good price that has a hole cut out in it for a shaker setup, and I'm thinking about mounting a scoop backwards over the hole. Maybe the Cervini's B9 scoop.

I know the <acronym title="transmission">Trans</acronym> Am had the backward-facing shaker scoop from about 74 to 81, which is what gave me the idea. I'm concerned about rain water and other stuff blowing into the scoop while I'm driving if it's facing forward, even if it is a "dead-air" area due to the car pushing the air over itself.

Let me know if you have ended up seeing anybody do this. I'm really intrigued and want to try it.

Edit: Here is a link to a page that shows the Trans Am scoop and its functional door flap: https://www.ericpetersautos.com/2016...odds-and-ends/


Last edited by Blue Roads; 11-22-2019 at 04:19 AM. Reason: Adding URL for Trans Am scoop article
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