FD Airbox Build:
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FD Airbox Build:
I'm in the process of making an airbox for my FD. I had the Greddy Airnix kit which fed the turbo only hot air and we all know that on track that's not acceptable. I'm going to get air to it via a NACA duct mounted in the hood and through the bottom of the box.
Here are some pictures of the progress so far:
Here are some pictures of the progress so far:
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There's going to be a NACA duct in the hood feeding it directly with another duct in the bottom of the box. I'm going to have diffuser of sorts for the NACA duct for rainy days to direct the rain water down so it won't hit the filter and enter the motor. The bottom duct is there mainly for the rainy days when the NACA duct will be restricted slightly.
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Thanks, I'm surprised at how well its turning out since I'm new at this fabricating business. I'm going to mount a mesh screen with a filter element on top, I'm unsure of the material of the filter element but I've got some ideas. The black things are actually of the backs of the Greddy filters, I couldn't build a better piece to mount the box to the pipes, I think they are really nice.
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Nope, there isn't enough room in the box for cone filters. Today I bent up some aluminum screening to act as a backing for a simple foam filter. The foam filter will eventually be replaced by a custom filter that uses K&N filter material. I was going to have K&N make a custom one for me but I've decided to make it myself.
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Update: Finished Airbox
Here's the finished airbox, I can't get accurate AITs yet since the sensor is still located under the UIM but I'm going be relocating that next week so I'll have the numbers for that soon.
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Very nice work. A couple of points:
The "black things" AKA velocity stacks will work better if the rounded surface doesn't touch the plate that they're attached to.
Your overall airflow ability is restricted by the size of the hole in your NACA duct. You might get better flow with a duct with a larger opening, and instead of going through a little hole, build the box higher so it's flush with the bottom of the hood and seals with weather stripping or foam or whatever.
The "black things" AKA velocity stacks will work better if the rounded surface doesn't touch the plate that they're attached to.
Your overall airflow ability is restricted by the size of the hole in your NACA duct. You might get better flow with a duct with a larger opening, and instead of going through a little hole, build the box higher so it's flush with the bottom of the hood and seals with weather stripping or foam or whatever.
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I found this article. Hope its useful.
http://www.autospeed.com/cms/A_110281/article.html
http://www.autospeed.com/cms/A_110281/article.html
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Very nice work. A couple of points:
The "black things" AKA velocity stacks will work better if the rounded surface doesn't touch the plate that they're attached to.
Your overall airflow ability is restricted by the size of the hole in your NACA duct. You might get better flow with a duct with a larger opening, and instead of going through a little hole, build the box higher so it's flush with the bottom of the hood and seals with weather stripping or foam or whatever.
The "black things" AKA velocity stacks will work better if the rounded surface doesn't touch the plate that they're attached to.
Your overall airflow ability is restricted by the size of the hole in your NACA duct. You might get better flow with a duct with a larger opening, and instead of going through a little hole, build the box higher so it's flush with the bottom of the hood and seals with weather stripping or foam or whatever.
Originally Posted by sip
I'm wondering about rain. Do you think there would be any ill effects if you were to drive it in the rain, sucking water into the intake?
Originally Posted by gracer7-rx7
I found this article. Hope its useful.
http://www.autospeed.com/cms/A_110281/article.html
http://www.autospeed.com/cms/A_110281/article.html
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