Does anyone make a headlight scoop like this
03-11-12, 05:22 PM
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03-11-12, 05:25 PM
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Driving RX7's since 1979
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I want one identical design as this, but for an FC
I know all the arguments on what is the best design, but I need one that is designed grab air from above the lid surface. The well where a NACA type would sink into is filled with my SakeBomb headlight housing.
03-11-12, 06:22 PM
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I know, I know. Work with me here.
This is the FEED design for an FD. I'd be interested in getting one with broken tabs as well to use as parts to fab one up.
This is the FEED design for an FD. I'd be interested in getting one with broken tabs as well to use as parts to fab one up.
03-11-12, 06:48 PM
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However, the underside ducting of the clam shell is going to be just about the same thing as a NACA style duct, so if a NACA will not fit your application then the clam shell will most likely not fit either. I think this is why clokker was asking where the air goes. If you have an obstruction then you may want a wider and flatter duct, or just move the duct to a different location.
03-11-12, 08:02 PM
#6
http://www.rhdjapan.com/attain-aero-...fc3s-13b-20005
I've only seen these types. Not as large as the FD one you posted up.
I've only seen these types. Not as large as the FD one you posted up.
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03-11-12, 10:41 PM
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That style is called a "clam shell" vent. You can buy them from marine suppliers.
However, the underside ducting of the clam shell is going to be just about the same thing as a NACA style duct, so if a NACA will not fit your application then the clam shell will most likely not fit either. I think this is why clokker was asking where the air goes. If you have an obstruction then you may want a wider and flatter duct, or just move the duct to a different location.
However, the underside ducting of the clam shell is going to be just about the same thing as a NACA style duct, so if a NACA will not fit your application then the clam shell will most likely not fit either. I think this is why clokker was asking where the air goes. If you have an obstruction then you may want a wider and flatter duct, or just move the duct to a different location.
There we go. That's what I'm looking for.
03-12-12, 10:59 AM
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Ok, lets try this one.
During the day ambient air is the hottest, any source of additional cooling air is an improvement no matter how small. At night ambient air is cooler, so source of cooling air isn't needed as much. Since overall air forced into the engine bay at night is cool, what cooling air lost when the headlight is up is offset.
03-12-12, 06:50 PM
#12
Ok, lets try this one.
During the day ambient air is the hottest, any source of additional cooling air is an improvement no matter how small. At night ambient air is cooler, so source of cooling air isn't needed as much. Since overall air forced into the engine bay at night is cool, what cooling air lost when the headlight is up is offset.
During the day ambient air is the hottest, any source of additional cooling air is an improvement no matter how small. At night ambient air is cooler, so source of cooling air isn't needed as much. Since overall air forced into the engine bay at night is cool, what cooling air lost when the headlight is up is offset.
03-12-12, 09:13 PM
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Ok, lets try this one.
During the day ambient air is the hottest, any source of additional cooling air is an improvement no matter how small. At night ambient air is cooler, so source of cooling air isn't needed as much. Since overall air forced into the engine bay at night is cool, what cooling air lost when the headlight is up is offset.
During the day ambient air is the hottest, any source of additional cooling air is an improvement no matter how small. At night ambient air is cooler, so source of cooling air isn't needed as much. Since overall air forced into the engine bay at night is cool, what cooling air lost when the headlight is up is offset.
03-13-12, 12:32 AM
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Not underhood temps in general I'm looking to deal with. Income air temp to my Mariah cold air box is the issue. A very small area blocked off from the rest of the engine bay.
Clearly a little scoop on a headlight cover isn't going to make much difference to overall engine bay temps. Come on now.
Clearly a little scoop on a headlight cover isn't going to make much difference to overall engine bay temps. Come on now.
03-13-12, 06:44 AM
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You are looking for a vent, not a scoop. Increasing air pressure under the hood, will decrease engine cooling by making the radiator less effective. Radiators needs pressure differential to work. That little scoop won't be a big deal, but still, in theory it has negative effect. A vent would be more effective removing engine bay heat and decreasing pressure behind the radiator, making it more effective.
Riz.
Riz.
03-13-12, 10:46 AM
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You are looking for a vent, not a scoop. Increasing air pressure under the hood, will decrease engine cooling by making the radiator less effective. Radiators needs pressure differential to work. That little scoop won't be a big deal, but still, in theory it has negative effect. A vent would be more effective removing engine bay heat and decreasing pressure behind the radiator, making it more effective.
Riz.
Riz.
Not underhood temps in general I'm looking to deal with. Income air temp to my Mariah cold air box is the issue. A very small area blocked off from the rest of the engine bay.
03-13-12, 11:33 AM
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Sorry, missed that part. :-p Wondering how you would like to duct it. You can get ambient air from anywhere in the front, why go for a hard to duct area that looses fuction when you switch your headlights on?
Riz.
Riz.
03-13-12, 11:45 AM
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the intake for my 3 rotor was right there by the right headlight, and with the moulding removed and the headlights on, the intake air temp does drop a little (2-3 degrees C)
since the headlight lid has so much stuff under it, maybe its just easier to bend the back down? just make the gap between the headlight lid and the hood bigger?
since the headlight lid has so much stuff under it, maybe its just easier to bend the back down? just make the gap between the headlight lid and the hood bigger?
03-13-12, 12:23 PM
#21
