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Location:
Brisbane
Registered:
May 2002
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Air Box design / Air filter Choice
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Sun, 15 May 2005 03:48
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I'll be making up an enclosed air box, with a cold air feed from underneath the guard.
I'm thinking I can build the air box to suit an enclosed pod, or I was thinking that I could try and design a box that takes twin panel filters.
Is the opinion that it's 6 to one, half a dozen to the other, and I should just do what ever is easier? Are air filters these days even a restriction at all really?!
What size should I be looking to make the box? Is it a case of bigger is better? Does the air box size only effect transient response? Or am I mislead?
I've tried to do some searching/research for air box/filter choice and design, but haven't come up with much at all. Can anyone point me in the right direction (Ed?..others!)
Cheers
Wilbo
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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: Air Box design / Air filter Choice
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Sun, 15 May 2005 04:38
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1) I would think that a good panel filter would pose less of a restriction than a pod as they generally have a greater surface area to suck air through.
2) Build the box to suit your filter.
If you're really keen try to tune your intended setup using a flow bench.
The 2JZ setup always intreiged me, it appears to be quite extensively tuned and has a little box that shoots off to the side which I assume is supposed to assist throttle response by acting as a small reserve air supply.
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Location:
South Australia
Registered:
July 2002
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Re: Air Box design / Air filter Choice
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Sun, 15 May 2005 07:03
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Either way it's mostly pretty much the same, just design the path of the air to be as straight as possible, sometimes pod filters aren't good for this, sometimes they are!
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The 2JZ setup always intreiged me, it appears to be quite extensively tuned and has a little box that shoots off to the side which I assume is supposed to assist throttle response by acting as a small reserve air supply.
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It could also be to reduce resonance at a certain frequency  I'm not sure on that one.
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Location:
Newcastle
Registered:
July 2003
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Re: Air Box design / Air filter Choice
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Sun, 15 May 2005 07:40
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the little boxes in the plumbing are generally there to help reduce induction noise. the reason why exposed pod filters are illegal.. however i would punt that half the people getting busted and half of the cops enforcing it dont know *why* it is illegal 
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