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Location: MELBOURNE
Registered: December 2004
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How do pod filters work?
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Thu, 31 March 2005 09:52
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Hey
Did a search but didn't really find much. Just wondering how pod filters work. How do they actually get more air in? Do they spin or something? Have a good one!
THanks
Troy
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I supported Toymods
Location: Perth, WA
Registered: May 2003
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Re: How do pod filters work?
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Thu, 31 March 2005 09:54

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theyre less restrictive
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Location: Perth
Registered: July 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 10:07

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more surface area of filter material?
to shove omre air through
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 10:16

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Except some standard filters have a larger surface area than pods
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I supported Toymods
Location: Perth, WA
Registered: May 2003
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Re: How do pod filters work?
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Thu, 31 March 2005 10:27

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also ahs to do with the filter element
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 10:44

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Ah! That makes sense! So that means you could replace the element on your stock filter and you would have the exact same affect as a pod filter? I'm not trying to be difficult or disagree or anything just trying to come up with ideas for my 'baby.' THanks for the advice man! Greatly appreciated!
Thanks
Troy
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I supported Toymods
Location: Perth, WA
Registered: May 2003
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Re: How do pod filters work?
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Thu, 31 March 2005 10:47

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yep
k&n make replacement panel filters with less restriction..etc
washable, reusable..etc
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Location: Land of Oz
Registered: June 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 11:00

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Hi,
Less restriction implies a less dense filter material, and therefore reduce its filtering ability - wouldn't it? If so, then more shit and crap will get into your engine and lessen its life.
seeyuzz
river
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Location: Adelaide, drift capital
Registered: May 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 11:04

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river wrote on Thu, 31 March 2005 20:30 | Hi,
Less restriction implies a less dense filter material, and therefore reduce its filtering ability - wouldn't it? If so, then more shit and crap will get into your engine and lessen its life.
seeyuzz
river
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Most pod filters are oiled to trap particles of dirt etc.
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 11:31

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Ahhhhh! So if you went with stock filter but replaced the element with stuff out of Pod filters and oiled it that would just have the same results as a pod filter!? If so that is AWESOME! It works perfectly with my cold air intake design! Please say yes !LOL!
Thanks
Troy
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Location: Canberra
Registered: April 2003
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Re: How do pod filters work?
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Thu, 31 March 2005 11:43

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If you have a good CAI setup you should look at sticking with that. A pod, unless you position it properly, will suck in warmer air from within the engine bay.
How about replacing your aitbox with a v8 commodore one, bigger box, more surface area hopefully better flow. If you want to stick with yota parts maybe a 1U box...
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 12:02

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ToyCam wrote on Thu, 31 March 2005 21:43 | If you have a good CAI setup you should look at sticking with that. A pod, unless you position it properly, will suck in warmer air from within the engine bay.
How about replacing your aitbox with a v8 commodore one, bigger box, more surface area hopefully better flow. If you want to stick with yota parts maybe a 1U box...
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Woh! Hold up! Whats CAI? Current Air Intake :S? Whats an Aitbox? AIrbox? I tried putting a bigger one on but had trouble with closing my bonnet lol! Whats yota? Where would I get a 1u box? Whats a box?
Thanks
Troy
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Location: Adelaide
Registered: May 2003
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Re: How do pod filters work?
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Thu, 31 March 2005 12:42

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CAI - cold air intake - cold air is dense air, more air is more power - technically speaking
Air box is airbox...filter element, filter sits in this
Yota - toYOTA
1uz air box...try a wrecker
Box - is often the name given to a females vagina
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Location: Wollongong, NSW
Registered: January 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 13:39

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truenosedan wrote on Thu, 31 March 2005 22:42 |
Box - is often the name given to a females vagina
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Gold
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Location: Melbourne - NthSubs
Registered: January 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 13:58

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i wanted to use a box but also wanted something like a CAI...
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Location: Adelaide
Registered: May 2003
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Re: How do pod filters work?
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Thu, 31 March 2005 16:57

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nice wiring
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 22:26

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Thankyou! Sounding good. Can you get flat pod filters like the non tall ones, cos I don't have room for them lol!
Thanks
Troy
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Location: Kilsyth, Melbourne
Registered: September 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 23:12

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yes troy you can i. but you should fabricate a pipe coming from the carb and then to a far corner of the engine bay going into a box near your headlight or sumthin and put a pod in there. this way u will get good cold air.
-Calvin
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 23:32

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Hey Calv
Shutup! Except in theory wouldn't you get better cold air if you just ran a pipe from the front of your car to the carbys and have the air filters on top cos that way its just air going directly? Have a good one!
THanks
Troy
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Location: Kilsyth, Melbourne
Registered: September 2004
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Re: How do pod filters work?
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Thu, 31 March 2005 23:37

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yeh if it was plumbed to the filters
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Location: Colac, Victoria
Registered: May 2002
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Re: How do pod filters work?
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Thu, 31 March 2005 23:57

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Troy ..
what sort of car are we looking at here mate ?
if we know that we'd be able to direct you in a more effective manner
Sealed/boxed pod on a straight as possible intake would be V good , otherwise - a larger airbox like the v8 commodore one or VN v6 have excellent flow properties if you want to stick with a K and N style drop in panel ..
And as some of the guys have mentioned - having an exposed pod , inside your engine bay - will usually result in less yields than positive results .. hot air gets trapped under there - hot air = powers worst enemy - UNLESS you can get the pod away from the motor - and into a direct airflow of some sort
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Location: Kilsyth, Melbourne
Registered: September 2004
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Fri, 01 April 2005 00:21

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Hey all
Yeah Calvs pretty much right. I think I'm sticking with 4k and just supercharging that. And staying with Single Carby. Would like to change to EFI later on maybe.
Thanks
Troy
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Location: Campbelltown
Registered: November 2003
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Re: How do pod filters work?
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Fri, 01 April 2005 00:50

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i say they make a lot of induction noise which makes you think you are going faster but your not.
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Location: QLD, Gold Coast
Registered: February 2004
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Re: How do pod filters work?
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Fri, 01 April 2005 01:30

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Corona RT142 wrote on Fri, 01 April 2005 10:50 | i say they make a lot of induction noise which makes you think you are going faster but your not.
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I totally agree with that, you suck in extra air that doesn't do squat, just make a sound making it easier for cops to recognise that you have a pod filter.
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Location: Canberra
Registered: October 2002
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Re: How do pod filters work?
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Fri, 01 April 2005 02:45

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Actually guys, the way a pod filter works is that it changes the way air enters the intake manifold.
With a panel filter, air is sucked in with no form at all. The pod filter, because of its cone shape, makes the air swirl like a vortex. The induction noise you hear is where the pod filter is actually amplifying a sound made when the last 8 valves begin to work (at least on a T-VIS system), so it acts as a loud speaker.
It really does nothing to increase your power, but it does improve throttle response markedly, whats more it sounds really cool! 
On my ST162 (now sold) I had a custom airbox made up with a heat resistant material seperating the pod from the heat from the RADIATOR. Yes, the radiator hurts air induction more than the engine, because much of the air passes through the radiator and heads backwards, same with the engine, but the engine is BEHIND the pod filter. I also left the pipe that feeds air from behind the LH headlight to the airbox. Don't bother going to supercheap and getting that ribbed pipe and making a "cold air system" It doesn't work.
Hope this helps.
[Updated on: Fri, 01 April 2005 02:49]
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Registered: November 2002
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Re: How do pod filters work?
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Fri, 01 April 2005 02:56

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truenosedan wrote on Thu, 31 March 2005 22:42 |
Box - is often the name given to a females vagina
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OK - then by this twisted logic...
"What do you call a males vagina ????"
"A trans ????"
Back on topic, Autospeed did a test on CAI's and found the V8 VS Commodore one flowed the best and the replacement filters are less than $20 each.
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Fri, 01 April 2005 03:00

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Sweet. I mocked mine up today and it fits with everything so I'll stick with my idea! Thanks guys! I'll post a pic when I'm done, should be in 2 weeks. If it don't work to well I'll go with the Holden one.
Thanks
Troy
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Fri, 01 April 2005 03:07

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Can anyone recommend any good brands of pod filter with a 76mm inlet? Have a good one!
Thanks
Troy
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Location: Campbelltown
Registered: November 2003
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Re: How do pod filters work?
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Fri, 01 April 2005 03:12

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just search the k & n and uni filter sites they might have what you want.
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Location: MELBOURNE
Registered: December 2004
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Re: How do pod filters work?
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Fri, 01 April 2005 03:42

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Thanks dude! will do! What has everyone else got? Have a good one!
Thanks
Troy
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Location: The Hills District
Registered: November 2003
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Re: How do pod filters work?
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Mon, 04 April 2005 16:11

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in all honestly unless a pod is, as some of you said, placed in a properly sealed airbox away from as much heat as possible with cold induction it is not going to give you any noticable gains. other than noise and police attention that is. id say they are bought because of their relative ease to install on aftermarket induction setups etc.
i mean honestly who thinks that in a few hours they can better about 20 japanese scientists working for a year 5 days a week with the use of high tech computers, wind tunnels, and other fancy gizmo's like temp sensors, flow sensors etc. they would also be taking into account where air comes through the front of the car and how much heat is picked up from the surrounding hot metal surfaces etc.
the end result, im pretty sure most people use them because of a false belief that they have benefits. theres also a market for such products and therefore they are sold because people buy them. if they are bought then the people who buy them are also the people who think they are smarter than qualified car scientist type people from japan. this is the case im sure you would be a benefit to all of us by gaining employment at toyota and furthuring the car industry into the future. see if toyota has any job openings.
its really a vicious cycle, im sure most of us toyota enthusiasts dont like our rides being ogled by police who are defect happy as i sure dont. pods have no benefits(if done poorly), you buy them and install them, a market opens up, the epa and rta investigates these new "fads", find: they are noisy-and also not an improvement on factory, therefore makes them defectable, police gain a perception that everyone has pod filters now and pulls majority of modified car owners over and hassles them, innocent people are annoyed. is it really worth it?
ill sum it up by what i think. if it were the better option to have pods ie creating more power through less fuel (efficiency) then im sure they would come standard on cars. hold on they dont.
just a thought...
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Location: Rocky Mountains, Canada
Registered: May 2002
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Re: How do pod filters work?
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Mon, 04 April 2005 18:02

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river wrote on Thu, 31 March 2005 20:30 |
Less restriction implies a less dense filter material
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No it doesnt.
Aftermarket "performance" replacment panel filters can have less restriction when having the same filtering as the original item.
Good ones will have a deeper S pattern giving more surface area = less restriction without worse filtering.
Its hard to tell whats good and whats bad from just looking at them though 
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Location: Rocky Mountains, Canada
Registered: May 2002
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Location: The Hills District
Registered: November 2003
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Re: How do pod filters work?
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Tue, 05 April 2005 05:38

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my point exactly. what i meant was manufacturers using pod filter in boxes etc...all properly done.
just buy a replacement k&n panel. they give you the extra noise if your rice and thats what you want and they do a better job by utilising existing piping... also theyre LEGAL.
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Location: Perth, WA
Registered: December 2004
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Re: How do pod filters work?
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Tue, 05 April 2005 06:04

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my van has stock CAI, but thats only because it was made for performance...
manufacuters make cars so that they're quiet, cheap to run, and usually easy to fix.
it would cost way too much to do this all from factory, also, whats the use of making a car, that, no matter what you do, you cannot get better performance out of?
Eldar.O.
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Location: Melbourne - NthSubs
Registered: January 2004
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Re: How do pod filters work?
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Tue, 05 April 2005 08:36
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meh stuff the box and the pod!
i dont think pods "add power" but just revs easy with more air to be sucked in (surfacearea etc...)
ANYWAYS i wouldnt pay $200 for pod
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