my $50 hood extractor - Page 5 - Miata Turbo Forum - Boost cars, acquire cats.

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View Poll Results: The $50 hood extractor: is it worth it?
Worth every penny. Where do I get one? 21 80.77%
Rice... but I might eat it. 3 11.54%
If you need an extractor, you've got bigger problems. 2 7.69%
Voters: 26. You may not vote on this poll

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Old 05-20-2008, 03:45 PM   #81
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it was a used scoop that I picked up from a guy parting out his wrecked mini- they sell for <$50 used on eBay
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Old 05-20-2008, 04:01 PM   #82
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If anyone wants to know what a cooper scooper looks like on the nose in between the turn signals let me know. I have an old nose thats too beat for my car, and I'd be happy to donate it to the cause.

Edit: I had a nose (RS Aizawa) with a scoop in that spot... knocked my temp down about 5-10 degrees it seemed.
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Old 05-20-2008, 04:10 PM   #83
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I wonder if this will fit somewhere:

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Old 05-20-2008, 04:17 PM   #84
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Quote:
Originally Posted by Stealth97 View Post
If anyone wants to know what a cooper scooper looks like on the nose in between the turn signals let me know. I have an old nose thats too beat for my car, and I'd be happy to donate it to the cause.

Edit: I had a nose (RS Aizawa) with a scoop in that spot... knocked my temp down about 5-10 degrees it seemed.
I set mine in the slot I already have cut there and it looks like it would fit nicely. It also looked a little small to my eye in that position.

Obligatory picture of my install
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Old 05-20-2008, 05:25 PM   #85
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Wouldn't the venting work better if the vent was placed further back on the hood? Might get more turbo heat pulled out. I do seem to remember a conversation about this topic several years ago where a concern was raised about transmission temps. The thread thought that the original design was to extract heat/air down through the plastic undertray and cool the tranny in the process.
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Old 05-20-2008, 05:43 PM   #86
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the main purpose is to reduce the pressure behind the radiator, thus more airflow through it; not to cool the engine bay.

if you want to cool the engine bay, use a cowl hood...

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Old 05-20-2008, 05:53 PM   #87
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^he's got the CR hood lift kit on his shelby... or maybe that's a Miata body kit

Even the extractor is doing a good job of removing the under hood heat when stopped
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Old 05-20-2008, 06:10 PM   #88
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Old 05-20-2008, 09:15 PM   #89
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ok so I have a dumb non-mechanic's question. Is it alright to have water drop into the hood extractor onto the engine? I'm wondering if the car is parked outside and it rains, wouldn't all the rain just collect in there? Thanks for educating me, I like the look, and if it's all that beneficial, then even 'cooler'!
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Old 05-20-2008, 09:41 PM   #90
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sweet...where was this purchased?
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Old 05-20-2008, 10:57 PM   #91
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Quote:
Originally Posted by gizmoto View Post
ok so I have a dumb non-mechanic's question. Is it alright to have water drop into the hood extractor onto the engine? I'm wondering if the car is parked outside and it rains, wouldn't all the rain just collect in there? Thanks for educating me, I like the look, and if it's all that beneficial, then even 'cooler'!
well, its never a good idea to put water on electronics like plug wires, cops, ******, igniters...but its probably fine if its scooched forward.
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Old 05-20-2008, 11:33 PM   #92
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wont you worry about rain and leaves and what not getting in the engine bay?
probably fine if its scooched forward. dosnt seem to safe for me

how about some mesh screen under it?

Last edited by HKSturboMiata; 05-20-2008 at 11:48 PM.
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Old 05-21-2008, 12:43 AM   #93
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Quote:
Originally Posted by HKSturboMiata View Post
wont you worry about rain and leaves and what not getting in the engine bay?
probably fine if its scooched forward. dosnt seem to safe for me

how about some mesh screen under it?
its a sealed machine. if you drive your car in the rain more water will come through the bottom and rad than through that hole.
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Old 05-21-2008, 12:58 AM   #94
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Quote:
Originally Posted by Braineack View Post
almost pulled the trigger on one myself, so it looked very familiar....just went ahead and bought the carbontrix CF scoop myself...you gave me inspiration.

another good choice might be a legacy or wrx scoop turned around.
Scott: is this the one you bought?

http://www.carbontrix.com/store/inde...products_id=91

I'm thinking of ordering one of those and a carbon naca duct for the headlight cover as well.... the carbon fiber riveted to a black car should look pretty slick
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Old 05-21-2008, 05:04 AM   #95
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Quote:
Originally Posted by Arkmage View Post
Scott: is this the one you bought?

http://www.carbontrix.com/store/inde...products_id=91

I'm thinking of ordering one of those and a carbon naca duct for the headlight cover as well.... the carbon fiber riveted to a black car should look pretty slick

I'm still kicking around the idea of that carbon vent... But I don't wanna do the same thing as everyone else. Not like anyone around here would have anything even remotely close to it anyway, still...
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Old 05-21-2008, 09:52 AM   #96
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The extractor's position is going to be between the front of the engine and the radiator, so anything that does drop through the hole is going to land on the undertray, or sway bar, or hit the ground.
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Old 05-21-2008, 10:29 AM   #97
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Quote:
Originally Posted by elesjuan View Post
I'm still kicking around the idea of that carbon vent... But I don't wanna do the same thing as everyone else. Not like anyone around here would have anything even remotely close to it anyway, still...
I know right....Kotomile already beat me to it....bastard.

but yes that's the one.
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Old 05-21-2008, 10:54 AM   #98
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To the noobs, relax, no bashing, but think about the questions you just asked, and now think about what an engine bay looks like, and how a motor works. Now put all that together and you will get it.

Four year like this, and only problem, if the car sits still in heavy rain, the alt. belt squeels a bit on start up.
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Old 05-21-2008, 11:11 AM   #99
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I left the sprinkler all over it for most of the day, no problems. Doesn't really get that wet in there.
Neighbors thought I was a bit of a r-tard for watering the miata instead of the lawn though.
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Old 05-21-2008, 11:45 AM   #100
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Quote:
Originally Posted by Braineack View Post
I know right....Kotomile already beat me to it....bastard.

but yes that's the one.
all that water on the sway bar is going to ruin the balance of the car.
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