1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Scooped/vented hood

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Old 08-22-02, 10:22 AM
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Scooped/vented hood

what sort of scoop/vent style would you MOST like to see on an otherwise stock looking ReX hood?

(Note the MOST part - please don't post 10 pics of various styles, but rather your own personal favorite)
Old 08-22-02, 10:29 AM
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I am pretty partial to the NACA duct hood on the Mariah website. very clean and completly functional.
Old 08-22-02, 10:38 AM
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Reverse scoop - like this.
http://www.huckaba.com/jameson/rx/panspeed2.jpg
Old 08-22-02, 10:39 AM
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once again, those 'reverse scoops' are called vents

Old 08-22-02, 10:41 AM
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I like the scoops on the Subaru Impreza hoods. Mine has an intercooler right under it!
Old 08-22-02, 10:44 AM
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What does the Impreza scoop look like?
Old 08-22-02, 10:48 AM
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I don't know how to post a picture! But I have one if you could tell me how!
Old 08-22-02, 10:52 AM
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you put {img}http://www.theurloftheimage.com./nameofimage.jpg{/img} only use square brackets [ instead of { and obviously change the url and image name to match the actual location of the image on the web
Old 08-22-02, 10:58 AM
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[img]http://www.charlies.subarudealer.com/mimages/photos/2LCBLB.JPG[img] sorry it is a small picture.
Old 08-22-02, 10:59 AM
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well, I guess that didn't work quite right, you could copy and paste it into the address bar.
Old 08-22-02, 11:03 AM
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you have to add the / in the second {img} in order to 'close' the command.



like so hope that helps. Practice a few times in 1 post, editing the same one until you get it. It's actually pretty simple once you catch on, esp. as a dumbass ex army type like me can do it
Old 08-22-02, 11:03 AM
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i like the vent also (reverse scoop, whatever) it looks mighty sharp.
Old 08-22-02, 11:05 AM
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Thanks! I am going to write that down!
Old 08-22-02, 11:17 AM
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np - we all start at zero and learn as we go, yeah?
Old 08-22-02, 12:09 PM
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dam i hate to keep reposting this but im in love
Old 08-22-02, 12:20 PM
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I still like Bern's

Old 08-22-02, 12:23 PM
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What would be more popular do you think, an Impreza style scoop, or a vent like the one pictured above? The vent is more practical but let's face it, this is more of a cosmetic thing...
Old 08-22-02, 12:41 PM
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Me,, i like any type NACA style (vent) (scoope) just as
long as its flush with ( sits below ) the org. lines..
in other words,,,if looking at the car from the sides,
nothing sticks up over the org. body lines. the mariah
naca hood (vent) (scoope) looks ok..but i've always thought that a real naca doesn't have a break down the middle of it.. I like the idea of a vented hood..not to big,
put in a smart area where it would vent, and not worry about rain, or water messing up anything under the hood, or electrical wiring. IMO
Old 08-22-02, 12:43 PM
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I like v8kilers hood scoop on the car hes parting out

peace
Old 08-22-02, 01:06 PM
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We have gone over the Scoop Versus Vent thing.

Naca Ducts are great, Scoops on a 7 are not as efficient as we would think.

Originally posted by Evil Aviator
The top of the hood is in a vacuum at speed, so you would get no ram air effect, but rather a slight negative pressure effect which would reduce your performance at high speed. On the good side, you would get cooler air, which would give you better performance off the line. All in all, I would think that you would get just about the same performance with that NACA duct as you would if you just used a drop-in K&N filter with your stock intake system. The NACA duct would look cool, though.
http://www.geocities.com/mcgumrapper/aerodynamics

BTW, you can get pre-made NACA ducts from most race parts suppliers.
I personally would prefer vents that pull HOT-AIR out of the engine compartment, rather than try to blow ambient air in, with nowhere to go, causing more resistance than necessary.



Originally posted by alwan16
it's hard to see in the picture but this car has z3 louvers welded into the stock hood. it looks great from the outside but doesn't look so hot when you open the hood. i'm sure the body shop had a hell of a time putting them in though for the reason tim benton stated. i would just go with an aftermarket hood since it seems you'd be going through more trouble than the cost savings are worth. but if you want to make a unique hood that's be admirable too. good luck.



I want a Hood that will offer circulation in-and Out of the engine compartment. There is no point for Air to go "in" with No "out". That's why all FD's use the vents, to release the Hot Air inside the compartment. Also, "Ram AIR" is basically non existent in a street car.



By the way, here is Great Thread from the 2nd Gen Forum with lots of info.
https://www.rx7club.com/forum/showth...ght=Naca+Ducts
Old 08-22-02, 01:06 PM
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Any will do ... someone just make it!
Old 08-22-02, 01:19 PM
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Time....time.....time.....
Old 08-22-02, 01:20 PM
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Those gills look like they came off a BMW. hummm... I can't picture them on a 7. They do fit on the Riced out Honda though!
Old 08-22-02, 01:28 PM
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Originally posted by nosajwrx-7
Those gills look like they came off a BMW. hummm... I can't picture them on a 7. They do fit on the Riced out Honda though!
They did come off a BMW

Jeff
Old 08-22-02, 01:34 PM
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Thats' what I thought. I knew they were at least styled from the Z3/M-coupe.


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