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Dual Pod Filter

Darkness_Ryda1

By Darkness_Ryda1,
in Engines & Forced Induction

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Darkness_Ryda1 Mentor

Darkness_Ryda1

Posted
Posted

hey guys,

Not sure, but probably has been thought of/or done, but was thinking about getting two apexi pods and putting them on my R34 Gt-t. obviously its only a single turbo so would there be any benefit by somehow cutting a hole in the pod filter piping, joining a pipe with another pod on the end of the it so there is the dual intake? i hope u get what i mean haha let me know wat ur thoughts are.

Regards,

Mitch

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Fadie Enthusiast

Fadie

Posted
Posted (edited)

dude i wouldnt even bother, for the amount of stuffing around to get two to fit its not worth it. just have one with CAI and shield from engine heat. one with CAI and boxed would be better than two pods breathing hot air.

Edited by Fadie
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gotRICE? Veteran

gotRICE?

Posted
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aww hahaha it was worth a try...just thought would be good cause its inducting twice as much air

Would it be sucking in twice as much air?

Or would each pod filter be sucking half each of what the original one was? :P

"It makes you Think" (you'd probly need to be a Kiwi to get that :) )

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Darkness_Ryda1 Mentor

Darkness_Ryda1

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hmm i would think that it would be double the air...makes sense cause there is twice the induction...its like single turbo and twin turbo. but i yea it could be taking away from the other...i guess if u dyno'd it and tested the difference?

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gotRICE? Veteran

gotRICE?

Posted
Posted (edited)
hmm i would think that it would be double the air...makes sense cause there is twice the induction...its like single turbo and twin turbo. but i yea it could be taking away from the other...i guess if u dyno'd it and tested the difference?

The theory is there, but if your Turbo is boosting at 9psi and is limited to that via a solenoid or boost controller, then the limit will still apply, each filter will just be doing half the work.

Does adding a 3rd pod filter triple the intake capacity? I wouldnt think so.

And in the case of a twin turbo, each turbo has its own filter. Totally different scenario!

Edited by gotRICE?
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Darkness_Ryda1 Mentor

Darkness_Ryda1

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mmm true...just seeing one pod filters difference compared to a stock filter gave me the thought that it may be useful to apply twooo pods :) owel will have to brainstorm for another way to produce powaaaa lol

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nuclear_skyline Mentor

nuclear_skyline

Posted
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I think you've got your words mixed. Having one pod filter may give you sufficient airflow. Increasing the number to two doesn't mean that the engine will need anymore air at any given point, therefore it will not suck in twice the amount of air. What you have done is double to airflow capacity.

There may be a little gain in power as each air filter does not have to work as hard to pull in the required amount of air, i.e. having two air filters may have a beneficial impact on inlet restrictions.

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Jmaac Proficient

Jmaac

Posted
Posted (edited)

Its just a cheap method for not having to upgrade your AFM but you will need the a/m hardware to get it going in the first place. I believe it can be done with a cheaper SAFC2

Having the two pod pipes halves the restriction through the afm intake hence you can double its potential airflow (potentially halving its full flow resolution) and still metre the correct air.

Ok in simple terms. Driving down road with one AFM, flowing enough air to register +1v. Now driving down with two, you know you have twice the airflow at +1v. Retune to suit - simple!

pod-------afm------========== tb

pod-----------------'

Edited by Jmaac
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RBwhatever Veteran

RBwhatever

Posted
Posted (edited)
Its just a cheap method for not having to upgrade your AFM but you will need the a/m hardware to get it going in the first place. I believe it can be done with a cheaper SAFC2

Having the two pod pipes halves the restriction through the afm intake hence you can double its potential airflow (potentially halving its full flow resolution) and still metre the correct air.

Ok in simple terms. Driving down road with one AFM, flowing enough air to register +1v. Now driving down with two, you know you have twice the airflow at +1v. Retune to suit - simple!

pod-------afm------========== tb

pod-----------------'

How the heck did you come up with that?

You can't have dual intake pipes with dual pods with only one AFM on one intake pipe. You said before that your bypassing the afm "halves the restriction through the afm intake hence you can double its potential airflow".

All the air has to be metered. Non of it can be bypassed. Having a SAFC tricks the ecu into thinking there is less air, but it is all metered and controlled by the safc.

Bypassing the AFM gives you no control over the afr's as it will be sucking in un-metered air and giving you a potentially dangerous and uncontrolled lean out situation. What if the unmetered pod sucks in more air than it usually does? It'll lean out.

If this mod were true, no one would be buying z32 afm's to get past the limit of the standard afm if you could potentially double its resolution.

It's like putting a massive 3" hole in the side of your standard intake pipe and putting a filter on it, and "retune to suit".

Explain if I've missed something please.....

Edited by KeyMaker
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PM-R33 Grand Master

PM-R33

Posted
Posted

Think of it this way, if you have no piping or filter or anything on ur turbo, just the turbo intake (like drag cars run), then ur turbo sucks in as much air as it needs. If you have a pipe coming off of this turbo(providing its the same size pipe as the turbo inlet), it still sucks the same amount of air, just at the end of the pipe. Now regardless what you put on the end of this pipe, single filter, two filters, or whatever, it is still sucking the same amount of air.

If that doesn't make sense think of it as a human sucking through a straw, single big straw, u suck up as much as you can and it's your lung capacity (ie the turbo) that limits how much you can suck, sucking through two straws, doesn't magically allow you to suck double the amount of air, just means half is going through each straw.

So yeah, two pods will not help :D

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