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Could this be the ultimate autoX airbox?

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Old 04-01-2004   #1 (permalink)
Boilermaker1
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Could this be the ultimate autoX airbox?

Alright, I'm posting this in the little corner because everyone else will think I'm insane, you guys already know I am.
Anyways... we've figured out already that CAIs and SRIs suck your low end up. They're wonderful for high RPMs, problem is you need basically from 3000 up. So, that leaves the stock box right? The restrictive thing with a lawn mower sized filter and huge resonator. Sure you can pull the resonator, but then you're sucking air from the back of the engine bay, the tiny filter is still there, and this isn't too advantageous is it? We're just screwed...
....Or maybe not.
Take a look... I test plopped this in last night.

This could solve most of the problems. First off, its enclosed, so hopefully it lets you keep your low end since it keeps air surrounding the filter. It takes a cone filter already, there are numerous high flow replacements. It fits neatly into the engine bay with the help of a new bracket, only problem being the battery needs to move, but the STS rules permit moving it to the trunk anyways. What it does do, is dump the mouth of the box right behind the inner corner of the headlight, with the possiblity of going straight down, rather than the back of the engine bay. This leaves the issue of getting the existing non-metal tube into the throttle, which some moron at Honda decided to flip up 90 degrees. Well, my busted Injen will work fine for this... cut the top elbow off and thats that. Where did I find this wonder-intake? Right under all our noses, the last place even I thought to look... under the hood of some other car. Its right out of an Integra. Now... I intend to insure that this thing will indeed fit right in. As of now, it looks like it would go no problem, its about the size of the battery, maybe a little wider. but the piping would fit right were the resonator goes, and I just need to stuff the Injen elbow on the end of it. I'll keep you guys in on this.
I do intend on testing this thing throughly. Maybe not on a dyno per say, but by timing it relatively accurately. I've figured out that my video camera can break itself down to about .07 sec intervals. So I intend on pointing it at the cluster, and getting as close as I can to timing out various RPM and speed intervals (I hope the difference is more than .07 sec) to see where and how much it makes a difference. I think just by the substantially larger size of the filter element, it would make a difference, even if it is a stock box (it is rigged up for a B18 and a big ol DOHC head, remember). Lets hope this pays off, or I'm wasting a lot of time and a bunch of money too....
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Old 04-01-2004   #2 (permalink)
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Looks like it could work. Keep us updated!
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Old 04-01-2004   #3 (permalink)
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I recall one of my racing friends saying that the old D series engines performed better with the stock air box, with the resinator removed.. By somthing like 4-5 HP Better then CAI and sort ram. (Dyno tested) This was on an old CRX.
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Old 04-01-2004   #4 (permalink)
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But it had an airbox similar to what I want to drop in, not whats already there. Thats the thing. I've seen the filters on the old cars and they're considerably bigger than we got, so more air is running through them.
Basically this ends up as the same thing... stock B-series airbox, no resonator.
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Old 04-01-2004   #5 (permalink)
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I wonder how it will compare to the K&N FIPKII. Thats what I have & it gave more of a midrange pull as opposed to all up top, & I didnt notice any low end drop either. This is of course based on what ive noticed as I havent ridden in many other civics, so I could be wrong, but i think the K&N does what your trying to get out of that. I hope you expirement puts down some good numbers cuz the K&N is probrbly a lot more money so this would be a more practical approach.

Good luck man
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Old 04-02-2004   #6 (permalink)
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maaan i love you for doing this boilermaker.

so basically, you're using the old upper piping from your Injen CAI to go from the TB to the first part of the ITR air tube that leads to the filter in the box. so that box is gonna sit basically where the stock resonator is and have the inlet go straight down towards the transmission? sounds like a great plan tho, actually do-able and makes sense.

keep us posted!

Last edited by skarteez : 04-02-2004 at 01:09 AM.
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Old 04-02-2004   #7 (permalink)
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Quote:
so that box is gonna sit basically where the stock resonator is and have the inlet go straight down towards the transmission?
The box is going where the battery sits, the battery is going to the trunk. I'll suck air from behind the headlight.
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Old 04-03-2004   #8 (permalink)
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I did that before. Works good. Better than not having the arm. But that's it
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Old 04-03-2004   #9 (permalink)
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roy, Is that an A-Mod car in your avatar?
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Old 04-03-2004   #10 (permalink)
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its weird lookin thats for sure
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Old 04-03-2004   #11 (permalink)
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Thats a formula sae car... used to be a mod. Now we have our own class.
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Old 04-03-2004   #12 (permalink)
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I've heard of the class, but never actually seen one. any info on it??
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Old 04-04-2004   #13 (permalink)
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Quote:
Originally posted by Roy
I did that before. Works good. Better than not having the arm. But that's it
what you talkin about?
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Old 04-05-2004   #14 (permalink)
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Are you taking the box as well out? (The box on top of the tb) Or are you connecting the plastic bend to the box to suck air from behind the headlight? If you do the second, what about the openning? Are you double filtering it?
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Old 04-07-2004   #15 (permalink)
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how much did that airbox and tube cost? you get it from the acura dealership or a junkyard?
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