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#3205169 - 12/03/13 04:05 PM Makeshift air intake housing?
Ga129 Offline


Registered: 04/15/13
Posts: 414
Loc: Tupelo, MS and Birmingham, AL
I installed a short ram air intake in my 06 kia optima 2.4L. and I'm trying to find some way to cover it back up. here is a picture of it (http://imgur.com/Ol7IbHH) . I was wondering if there was any way to close it back up with the bottom of the stock intake box? The stock top is too small. I should have just got a drop in K&N filter, but this was cheaper...And also i'm sorry if this was the wrong place to post this. Thanks in advance.


Edited by Ga129 (12/03/13 04:09 PM)
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Daily Driver: 2006 Kia Optima LX, 2.4L I-4 A4, 173k+ miles
Current Fill: 5 qts 5w-30 M1 EP w/ M1 EP filter

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#3205181 - 12/03/13 04:20 PM Re: Makeshift air intake housing? [Re: Ga129]
NateDN10 Offline


Registered: 01/10/10
Posts: 1696
Loc: Rochester, NY
Why does it need to be covered up? It doesn't look like it's in a place where water ingestion would be a problem.
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#3205183 - 12/03/13 04:23 PM Re: Makeshift air intake housing? [Re: NateDN10]
Ga129 Offline


Registered: 04/15/13
Posts: 414
Loc: Tupelo, MS and Birmingham, AL
to reduce heat being sucked in and if it was sealed with the bottom half it will be pulling in cooler air from lower in the car.
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Daily Driver: 2006 Kia Optima LX, 2.4L I-4 A4, 173k+ miles
Current Fill: 5 qts 5w-30 M1 EP w/ M1 EP filter

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#3205184 - 12/03/13 04:23 PM Re: Makeshift air intake housing? [Re: Ga129]
Ndx Offline


Registered: 04/04/08
Posts: 1777
Loc: IL
Possibly because of heat soak .. it sucks up warm air from the engine bay ...

diy heat shield ... ?
I would buy aluminum and bend it to make it work ...



Edited by Ndx (12/03/13 04:24 PM)
Edit Reason: soak*

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#3205199 - 12/03/13 04:36 PM Re: Makeshift air intake housing? [Re: Ndx]
Ga129 Offline


Registered: 04/15/13
Posts: 414
Loc: Tupelo, MS and Birmingham, AL
how would I go about doing that? great idea though
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Daily Driver: 2006 Kia Optima LX, 2.4L I-4 A4, 173k+ miles
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#3205207 - 12/03/13 04:45 PM Re: Makeshift air intake housing? [Re: Ga129]
bigjl Offline


Registered: 09/06/12
Posts: 1930
Loc: London, England
Won't be terrible heat soak due to the fact the bottom of the airbox is still there I would think

And as the cool air will still be coming into the bit of the airbox still there I suspect it will still get a bit of cool air aswell

There is no easy way to cover that in

You have a simple choice IMHO go and get a filter that fits in the airbox or leave it as is.
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#3205333 - 12/03/13 06:24 PM Re: Makeshift air intake housing? [Re: Ndx]
eljefino Offline


Registered: 06/15/03
Posts: 30998
Loc: ME
Originally Posted By: Ndx
Possibly because of heat soak .. it sucks up warm air from the engine bay ...

diy heat shield ... ?
I would buy aluminum and bend it to make it work ...



Just get some aluminum "flashing", you can find it at the dump. They use it on roofs near the gutters and lots of other places.

Cut it with snips, use 1/4" self tapping screws to zip it to your plastic air box.

If you need to make a concave curve, make lots of snips so the "feathers" overlap.

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#3205393 - 12/03/13 07:20 PM Re: Makeshift air intake housing? [Re: eljefino]
Ndx Offline


Registered: 04/04/08
Posts: 1777
Loc: IL
+1

Homedepot sells it too.. You can use rivets .. For nice look paint black mat or buy carbon fiber wrap vinyl

Ps make sure that cone filter is good more dirt is not getting in.
I bet that it soinds nice

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#3205457 - 12/03/13 08:31 PM Re: Makeshift air intake housing? [Re: Ga129]
silverrat Offline


Registered: 01/09/09
Posts: 1520
Loc: Ontario
I have something similar to this

ebay

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#3205637 - 12/04/13 01:57 AM Re: Makeshift air intake housing? [Re: Ga129]
bigjl Offline


Registered: 09/06/12
Posts: 1930
Loc: London, England
Surely all that would do in the OP's case is reflect heat down into the filter?

They have something similar on the more expensive CAI i have seen and it fits between the filter and engine to reflect heat away and therefore not appplicable to the OP as the original airbox is already there providing that function to a degree
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#3205744 - 12/04/13 07:48 AM Re: Makeshift air intake housing? [Re: Ga129]
Jim Allen Offline


Registered: 08/12/05
Posts: 4480
Loc: NW Ohio
If there is any power gain by installing that filter, and I've played around on dynos enough to make en educated guess there isn't, the gains are eaten up by the hot air and a simple shield isn't likely to help that. If you could find some way to fully enclose it and duct it to outside air...

Don't know what type of EFI system the Kia uses but I would research a way to read IAT (Intake Air Temperature) via the OBDII port. Might be a programmer or some other means. Read the IAT for a few days with the modified setup, bearing in mind that come summer, the underhood will get a LOT hotter down there in Mississippi. Reinstall the original filter and housing and drive around for a while monitoring IAT again and note the differences. If the open setup is substantially hotter then you are actually LOSING power most of the time. It's remotely possible you might gain a little at the high end... 4500-5500 rpm or more... but how often do you rev like that? The hot air will be costing you power down low in everyday driving as well as fooling the EFI. What will happen is that the IAT sensor will be reading a hot temp and the PCM will want make the adjustments for it, but that IAT reading may conflict with another reading from another sensor, such as coolant temp, so the EFI system will be flummoxed and perhaps not make the correct fuel trim adjustments. Not optimal.
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#3207118 - 12/05/13 10:14 AM Re: Makeshift air intake housing? [Re: Ga129]
Smokescreen Offline


Registered: 05/25/05
Posts: 3009
Loc: Alberta, Canada
Most OEM airbox set ups are already cold air intakes delivering cooler outside-the engine-bay-air-temperatures, if they are not the intake tube before the airbox can be easily modified to be one.

Interesting that if you look at all the car manufacturers that produce muscle cars Like the Boss 302 or Camaro LS1 and faster Ferrari, even Buggati, all still use a airbox type assembly for the very reasons Jim noted above, none use open element in the engine bay configurations.
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#3207440 - 12/05/13 02:56 PM Re: Makeshift air intake housing? [Re: Ga129]
Clevy Offline


Registered: 11/11/10
Posts: 9783
Loc: Saskatoon canada
Put the old one back on. The extra hp you gain when it's floored isn't worth trading mid-throttle power loss
Oem air boxes are designed to optimize velocity. And velocity is way more important than flow.
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#3207484 - 12/05/13 03:29 PM Re: Makeshift air intake housing? [Re: Ga129]
hattaresguy Offline


Registered: 06/01/11
Posts: 7180
Loc: CT
Fix the OEM airbox, that thing you have their is an abortion.

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#3209391 - 12/07/13 11:31 AM Re: Makeshift air intake housing? [Re: hattaresguy]
OVERKILL Offline


Registered: 04/28/08
Posts: 33582
Loc: Ontario, Canada
Originally Posted By: hattaresguy
Fix the OEM airbox, that thing you have their is an abortion.


+1
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