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#4930022 - 07/30/10 12:18 PM My 70 dollar Heat Extractor Hood.
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
I'm still trying to reduce underhood temps, so I decided it was time for heat extractor hood. Problem is that those usually are very expensive, and fitment will suck. Answer was simple. Go to a junkyard, find a factory hood, buy a 2010 GT500 hood vent, and presto. Heat extractor hood for about 70 dollars. No testing has been performed yet, but I'm taking the car to another track weekend at the end of August. I'll have the results then. Anyway, pictures and captions

Stock factory 20 dollar hood with the hole in it. Had to be extra careful when cutting the hole, so it would be even.



2010 GT500 hood vent. Costs around 50 dollars at a local dealership.


Vent installed in the hood.



Test fit



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#4930032 - 07/30/10 12:21 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
madmatt Offline
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Registered: 09/17/02
Posts: 21479
That's pretty damn slick, might not be the prettiest but it would look awesome if you painted the top of the cowl flat black. Good work, sir.
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#4930042 - 07/30/10 12:23 PM Re: My 70 dollar Heat Extractor Hood. [Re: madmatt]
cacasesi Offline
Post Master Sr


Registered: 06/01/00
Posts: 8240
What about the two little vaginas in the factory sheet metal? Those don't do anything?
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#4930082 - 07/30/10 12:30 PM Re: My 70 dollar Heat Extractor Hood. [Re: cacasesi]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
 Originally Posted By: madmatt
That's pretty damn slick, might not be the prettiest but it would look awesome if you painted the top of the cowl flat black. Good work, sir.


Hmm, I'll consider that.

 Originally Posted By: cacasesi
What about the two little vaginas in the factory sheet metal? Those don't do anything?


Yep, totally useless. I'll block them off.
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'94 Mustang GT

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#4930110 - 07/30/10 12:35 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
Impulsive Offline
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Registered: 11/28/99
Posts: 74238
Loc: Edmonton
Did you rustproof it?
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#4930133 - 07/30/10 12:38 PM Re: My 70 dollar Heat Extractor Hood. [Re: Impulsive]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
What's rust?

<==== living in So Cal

Also, Most of the hood is fiberglass from factory.
_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
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#4930188 - 07/30/10 12:51 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
Mantis Offline
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Registered: 01/21/04
Posts: 22127
Loc: Valley of the Sun
Nice! Is that brake cooling ductwork I see inside the foglamp holes in the Cobra bumper?
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#4930193 - 07/30/10 12:52 PM Re: My 70 dollar Heat Extractor Hood. [Re: Mantis]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
Yeah, helps big time.
_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
Handling......... \:\( -------+-- \:\)
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#4930217 - 07/30/10 12:57 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
Euphoricuck Offline
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Registered: 11/05/03
Posts: 92703
Loc: Canadistan
pretty sweet/good idea.
but i think you couldve made it prettier [/ricer]
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#4931162 - 07/30/10 07:14 PM Re: My 70 dollar Heat Extractor Hood. [Re: Euphoricuck]
Damnit, Laverty Offline
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Registered: 04/27/00
Posts: 12564
Loc: Bellevue, WA
That's pretty fuckin' awesome. Nicely done.
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'95 M3 | '99 Garage Shelf
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#4931175 - 07/30/10 07:28 PM Re: My 70 dollar Heat Extractor Hood. [Re: Damnit, Laverty]
hustler Offline
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Registered: 01/09/00
Posts: 6095
Loc: Seattle, WA
Nice job, looks like a factory deal from the outside
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#4931225 - 07/30/10 08:06 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
vwkaferman Offline
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Registered: 06/08/00
Posts: 13550
Loc: Mesa, AZ
In for win, nice work. Nice clean cuts there too, that's not easy. Not that I have a whole lot of body work experience, well, let's just say besides cutting my fenders on my Jeep I have none.

Looks good! Besides looking good, I bet it helps in the cooling department. Isn't the bottom edge of the windshield a low pressure zone? Placing the hood "extractor" where you did seems like it'd help pull heat out of the motor.

I know this is maybe common knowledge or has been rehashed just makes me wonder in common cars, how the HELL they deal with heat or heat soak without having good ventilation.

Then again I don't build cars! \:\)

James
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#4931252 - 07/30/10 08:19 PM Re: My 70 dollar Heat Extractor Hood. [Re: vwkaferman]
MikeY2kSS Offline
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Registered: 10/12/00
Posts: 6080
Loc: Cent/South NJ
The base of the windshield is a high pressure zone, hence the concept of "Cowl Induction".
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#4931276 - 07/30/10 08:40 PM Re: My 70 dollar Heat Extractor Hood. [Re: MikeY2kSS]
vwkaferman Offline
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Registered: 06/08/00
Posts: 13550
Loc: Mesa, AZ
God damn it I knew I'd fuck that up! Haha. I knew that too, but apparently I didn't.

My logic stands. That high pressure zone would serve to pull air out of the hood in front of it, no?

Way over my head at this point so I'll just sit back and enjoy. Where's Denmah's thread tonight....

James
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'97 Jeap XJ, '05 Bandit 1200
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#4931584 - 07/31/10 01:15 AM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
speedracer21 Offline
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Registered: 12/10/00
Posts: 246
Loc: CA
looking good Dima
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2005 S2000

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#4931874 - 07/31/10 11:23 AM Re: My 70 dollar Heat Extractor Hood. [Re: speedracer21]
danl Offline
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Proper. Don't outspend your competition, out think them!
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#4931880 - 07/31/10 11:26 AM Re: My 70 dollar Heat Extractor Hood. [Re: danl]
ElectronVTEC2 Offline
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Registered: 07/10/08
Posts: 5915
Nice job!

Todd
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#4931978 - 07/31/10 01:00 PM Re: My 70 dollar Heat Extractor Hood. [Re: vwkaferman]
neonmike22 Offline
Post Master Sr


Registered: 11/04/00
Posts: 3150
Loc: Nashville, TN
 Originally Posted By: vwkaferman
My logic stands. That high pressure zone would serve to pull air out of the hood in front of it, no?


The high pressure zone at the cowl lets air into the engine bay. It basically reduces flow through the radiator by working against it.

So all those kids with their hoods tilted up "for cooling" are reducing the effectiveness of their radiator.
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'03 Civic Hybrid

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#4933470 - 08/01/10 04:53 PM Re: My 70 dollar Heat Extractor Hood. [Re: neonmike22]
PsychoEBPSiR Offline
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Registered: 10/06/00
Posts: 5166
Loc: Vancity,Canada
sweet looks good ,nice addition!

Hope it works out . Im looking at the same thing for my car ,try to suck air out of the engine bay

i already have a stock s13 carbon look hood,gonna cut a hole in it for this vent,then get it wrapped in the dry carbon vinyl.

Later ill order this to suck the car down and get rid of air aswell.Jun front universal diffuser


All shit i want to add to make the car track worthy
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#4933492 - 08/01/10 05:15 PM Re: My 70 dollar Heat Extractor Hood. [Re: PsychoEBPSiR]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
Man, that carbon fiber piece must have cost you pretty penny, eh?
_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
Handling......... \:\( -------+-- \:\)
Speed............ \:\( ------+--- \:\)

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#4933536 - 08/01/10 05:47 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
PsychoEBPSiR Offline
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Registered: 10/06/00
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Loc: Vancity,Canada
No they are like 150-200 bucks cause i don t believe its real lol. And the one im grabbing is fiberglass cause thats what the underside of my hood is,get them to just mold it .Then i ll get it wrapped.
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#4934122 - 08/02/10 12:48 AM Re: My 70 dollar Heat Extractor Hood. [Re: PsychoEBPSiR]
denham Offline
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Registered: 04/20/03
Posts: 27911
Loc: Macungie
man that was a great idea, looks great too!
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#4934355 - 08/02/10 08:42 AM Re: My 70 dollar Heat Extractor Hood. [Re: danl]
SiAdam Offline
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Registered: 07/22/01
Posts: 18985
Loc: West By God Virginia
 Originally Posted By: danl
Proper. Don't outspend your competition, out think them!


Agreed.

I just did mine last week.
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#5707013 - 07/27/11 08:26 PM Re: My 70 dollar Heat Extractor Hood. [Re: SiAdam]
ReplicaR Offline
Post Master Sr


Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
So, if some of you don't remember, I crashed the car in traffic, which rendered the hood useless. The crash was right before the track weekend too, which left me with out any actual data to see if it worked or not. Lately I've been doing a lot of summer sessions, and seeing coolant and oil so hot kinda bothers me. I decided to do this project again. I already got another hood in white for slightly more this time (80 dollars), and I will cut into it hopefully next week, depending on how busy my friend is, who let use his tools last time. August 20th/21st is another weekend at the track, so I'll get a chance to do some real testing this time, and hopefully see some good results. People have been saying that this is a good mod, especially for mustangs since they always run hot.
_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
Handling......... \:\( -------+-- \:\)
Speed............ \:\( ------+--- \:\)

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#5707132 - 07/27/11 09:32 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
PsychoEBPSiR Offline
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Registered: 10/06/00
Posts: 5166
Loc: Vancity,Canada
good shit , hope to hear some good results.
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#5707800 - 07/28/11 09:39 AM Re: My 70 dollar Heat Extractor Hood. [Re: PsychoEBPSiR]
doshoru Offline
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Registered: 01/27/03
Posts: 7131
Loc: Balls deep
 Originally Posted By: PsychoEBPSiR
i already have a stock s13 carbon look hood,gonna cut a hole in it for this vent,then get it wrapped in the dry carbon vinyl.


I think that's the best idea. Everyone knows that 99% of the "CF" pieces on the market are really just fiberglass with a single layer of CF on top. Makes more sense to me to just buy a pure fiberglass version & wrap it -- in a lot of cases, the wrap looks even better than the cheap CF, plus you can replace it if it starts to wear, where cheap CF pieces have all sorts of wear issues from the clear coat disappearing, to the cheap resin yellowing, etc.
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#5709849 - 07/29/11 02:42 AM Re: My 70 dollar Heat Extractor Hood. [Re: doshoru]
Damnit, Laverty Offline
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Registered: 04/27/00
Posts: 12564
Loc: Bellevue, WA
Fuck ricer wrap, just paint the goddamned thing. Flat black if you have to, but fuck wrapping shit.
_________________________
-Matt
'95 M3 | '99 Garage Shelf
"Life before [CSi] wasn't looking good, I had a small cock, smaller wallet, and had a girl that was getting railed by 5 HUGE black guys." -AZSnake
"Ha... yeah if neon ownership teaches you one thing it's how to turn lemons into Country Time." -Spotch
"If the market demand for snarky comments is below my current supply of sassy wit I can only assume the market will adjust itself accordingly. Any minute now. Dick." -2000SiRacer

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#5712927 - 07/31/11 02:22 PM Re: My 70 dollar Heat Extractor Hood. [Re: Damnit, Laverty]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
Small attention whoring update: Test fitted the hood onto the car yesterday morning just to make sure that it fits right. The fit is perfect. If everything goes right to plan, I will be cutting into it tomorrow, and it will be finished by wednesday.
_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
Handling......... \:\( -------+-- \:\)
Speed............ \:\( ------+--- \:\)

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#5713815 - 08/01/11 10:42 AM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
scootergeek Offline
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#5714779 - 08/01/11 07:32 PM Re: My 70 dollar Heat Extractor Hood. [Re: scootergeek]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
Cut the hole today. About an inch closer to the nose this time by accident, but it's still over the space between radiator and pulleys. Going to fill it with foam tonight, and will post pictures tomorrow.
_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
Handling......... \:\( -------+-- \:\)
Speed............ \:\( ------+--- \:\)

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#5714889 - 08/01/11 08:58 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
hustler Offline
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Registered: 01/09/00
Posts: 6095
Loc: Seattle, WA
Will be interesting to see results. I know a lot of pantera guys do this mod to their hoods because the air moving past the radiator gets stuck in the front trunk area, one of the reasons they were prone to overheating. Another buddy actually got one of the saleen sn95 racecar CF hoods with the front vents and then it bulges near the top and clears his bypass valve on a 410ci YSI trim motor.

http://s699.photobucket.com/albums/vv356/410sn95/?action=view¤t=preview_2010svtoa008.jpg

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#5714939 - 08/01/11 09:41 PM Re: My 70 dollar Heat Extractor Hood. [Re: hustler]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
That's a sweet looking hood. Would probably work better than mine too, since the openings are bigger and it goes deeper, not to mention that there is a nice lip around the vents, creating even more pressure. Is that GR40 spoiler he's got in the back?
_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
Handling......... \:\( -------+-- \:\)
Speed............ \:\( ------+--- \:\)

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#5715969 - 08/02/11 12:31 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
Ladies and Gentlemen, I give you "My 70 dollar Heat Extractor Hood" #2



_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
Handling......... \:\( -------+-- \:\)
Speed............ \:\( ------+--- \:\)

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#5716257 - 08/02/11 02:22 PM Re: My 70 dollar Heat Extractor Hood. [Re: ReplicaR]
FCobra94 Offline
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Registered: 10/22/01
Posts: 19689
Loc: MD
Nice! Fits/looks great...next up: headlight resto?
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#5716274 - 08/02/11 02:28 PM Re: My 70 dollar Heat Extractor Hood. [Re: FCobra94]
ReplicaR Offline
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Registered: 05/26/06
Posts: 6346
Loc: E.E.B.
I actually need to replace them. Most of the mounting hardware is broken from the crash last august.
_________________________
'94 Mustang GT

Acceleration.... \:\( -------+-- \:\)
Handling......... \:\( -------+-- \:\)
Speed............ \:\( ------+--- \:\)

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