View Full Version : Pod Filter Question
Tonba
07-09-2004, 07:21 PM
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Greetings All.
I was just wondering if there is any major difference between using a "standard" type pod over an oval one...Cause the I can pick up a K&N "standard" pod for $69.95 at autobarn.
Cheers,
--Tonba
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Gerard
07-09-2004, 07:58 PM
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Greetings All.
I was just wondering if there is any major difference between using a "standard" type pod over an oval one...Cause the I can pick up a K&N "standard" pod for $69.95 at autobarn.
Cheers,
--Tonba
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Thats a damn good price?! Why so cheap??
You'll get a flood of posts on this topic, i suggest searching the forums. Alot of people will say that the oval shape causes problems.. Or was it that other way around :confused:
Anyway, at that price, you cant go wrong..! Better than stock intake, thats fo sho'
Harro
07-09-2004, 08:02 PM
other way round. lol
Do a search
Most people will say that if you donot use the correct Oval POD designed for the MAF sensor then you will stuff up your airflow. Causing the ECu to put too much/too little fule into the motor/messed idle etc.
but there are a few people who say that the other type is fine
Tonba
07-09-2004, 08:05 PM
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Greetings All.
I have done a search and thier seems to be people on both sides...
Cheers,
--Tonba
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Harro
07-09-2004, 08:19 PM
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Greetings All.
I have done a search and thier seems to be people on both sides...
Cheers,
--Tonba
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I guess it's in the end your choice.
The oval pod is proven to work and not cause problems, so it comes down toweather you want to take that risk
Cheers
Gerard
07-09-2004, 08:31 PM
Get the standard, if you dont like it, send it my way :D
Ill pay you of course.. :doubt:
WhiteDevil
07-09-2004, 09:19 PM
what do you have in the engine that really need the POD anyway? It'll just be sucking in a lot of hot air. Is it just for looks or sound? ? ?
you can achieve the same by using panel, and you don't have to pull anything out or put anything extra in.
dark_magician
07-09-2004, 10:29 PM
well i use a simota one and i dont hav any issue
Gerard
07-09-2004, 11:11 PM
what do you have in the engine that really need the POD anyway? It'll just be sucking in a lot of hot air. Is it just for looks or sound? ? ?
you can achieve the same by using panel, and you don't have to pull anything out or put anything extra in.
hes getting it at a good price..
slyfox
07-09-2004, 11:24 PM
what do you have in the engine that really need the POD anyway? It'll just be sucking in a lot of hot air. Is it just for looks or sound? ? ?
you can achieve the same by using panel, and you don't have to pull anything out or put anything extra in.
Well if you think about it, fit the snorkel only back in the enginebay and it will direct cold air straight onto the pod ( does with mine ). It can also draw all the air it wants when you floor it, and doesnt suffer from a lack of air when needed.
Gerard
07-09-2004, 11:30 PM
Well if you think about it, fit the snorkel only back in the enginebay and it will direct cold air straight onto the pod ( does with mine ). It can also draw all the air it wants when you floor it, and doesnt suffer from a lack of air when needed.
Does the snorkel keep the pod in an airtight seal? If it does, then thats a great idea
spankagelion
08-09-2004, 12:02 AM
is the RPW kit the only oval adaptor suitable for magna? so does autobahn sell oval kit for magna as well? how much are the RPW and Autobahn kits respectively?
Redav
08-09-2004, 05:32 AM
Just remember that an unsealed, oiled pod filter in an engine bay violates EPA laws which can get you defected / fined.
Tonba
08-09-2004, 05:53 AM
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Greetings All.
Just a question to all, whats involved in puttin in a pod? Redav mention oiling...anyone care to explain?
well i use a simota one and i dont hav any issue
Well, this one looks identical, but it is K&N. :D Did It chage performance? Did you find it drinking more fuel??
Well if you think about it, fit the snorkel only back in the enginebay and it will direct cold air straight onto the pod ( does with mine ). It can also draw all the air it wants when you floor it, and doesnt suffer from a lack of air when needed.
I plan to do this, untill early next year, where I will build my own, propper CAI. (TH Smokers Custom Design)
Just remember that an unsealed, oiled pod filter in an engine bay violates EPA laws which can get you defected / fined.
It will only be defectable if they look under the hood. And considering my car looks like a 4wd, and still has well...stock everything, (not even subs to attract thier attenion) I'd say I can get away wit hit for 3-4 months untill I build my CAI...
what do you have in the engine that really need the POD anyway? It'll just be sucking in a lot of hot air. Is it just for looks or sound? ? ?
you can achieve the same by using panel, and you don't have to pull anything out or put anything extra in.
Actually, I was hoping it would be better fuel economy wise. A performance jump would also be nice. :D Other then that, I will need it with I get my zorst done. (Better performance).
Cheers,
--Tonba
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Redav
08-09-2004, 06:31 AM
Just a question to all, whats involved in puttin in a pod? Redav mention oiling...anyone care to explain?
K&N filters are an oil filter. Other filters aren't.
Well, this one looks identical, but it is K&N. :D Did It chage performance? Did you find it drinking more fuel??
Shouldn't affect consumption, it's letting air get in easier, not allowing more fuel in.
It will only be defectable if they look under the hood. And considering my car looks like a 4wd, and still has well...stock everything, (not even subs to attract thier attenion) I'd say I can get away wit hit for 3-4 months untill I build my CAI...
Well, that's your risk.
Actually, I was hoping it would be better fuel economy wise. A performance jump would also be nice. :D Other then that, I will need it with I get my zorst done. (Better performance).
It won't have a noticeable effect on performance unless you're suffering extreme heat soak in the middle of summer or it's a really cold night. That's the two extremes to notice a difference and you'll see this difference with a pod, panel, aftermarket or stock.
Altera98
08-09-2004, 05:12 PM
i got the oval pod and wasnt impressed with it, i found it works better with some pipe in front of it, so considering the pipe was round and not oval, im sure a round pod would not hurt but would need some adaptor onto the maf made. i would just go for a K&N panel unless u really want the sound of the pod.
Flava
09-09-2004, 05:30 AM
My 2 Cents:
If the Universal K&N Pod Filter does the job fine, why would they develop one specifically for the MAF Sensor? :nuts:
Altera98
09-09-2004, 04:14 PM
My 2 Cents:
If the Universal K&N Pod Filter does the job fine, why would they develop one specifically for the MAF Sensor? :nuts:
anything you use other than the stock airbox will need some adaptor onto the maf sensor, because the opening of it is basically rectangualr/oval , an oval shape would seem to be best match.
Redav
10-09-2004, 07:58 AM
anything you use other than the stock airbox will need some adaptor onto the maf sensor, because the opening of it is basically rectangualr/oval , an oval shape would seem to be best match.
His point was that K&N developed the MAF one as they discovered that disrupted airflow was causing poor metering of airflow etc.
slyfox
10-09-2004, 10:33 AM
My understanding of it is the MAF needs a steady and straight flow of air though its meter to acurately meter the fuel/air ratio.
Some people would have fitted the round K&N filters in their cars and noticed a problem with idle, as round filters cause the air to swirl around before entering the MAF. Causing irregularities in metering.
No manufacturer wants to have customers complain that fitment of their products causes more problems than what it replaces.
As such K&N made the oval one, so the air entering the MAF doesnt have the turbulence.
Personally I have the oval one on my car and it idles perfectly, and it has made a noticable improvement.
mr_mbquart
10-09-2004, 10:42 AM
a pod filter does give more performance than the replacement panel filter, i have a hot 4s magazine somewhere, in the mag it actually has a test to see if the pod gave more performance than a replacement filter. they used about 10 different brands of both pods and panels.
Their conculsion was that the pod 'on a standard engine' gave about 1-2 extra kilowatts at the wheels over the entire rev range than their replacment filter counterparts (this also used the standard intake designs).
They also said if u dont plan on modifying the engine then a replacement panel filter is fine but if you plan on modifying the engine more then the restrictions of a panel filter will be more significant than on a standard engine.
Altera98
10-09-2004, 11:27 AM
My understanding of it is the MAF needs a steady and straight flow of air though its meter to acurately meter the fuel/air ratio.
Some people would have fitted the round K&N filters in their cars and noticed a problem with idle, as round filters cause the air to swirl around before entering the MAF. Causing irregularities in metering.
No manufacturer wants to have customers complain that fitment of their products causes more problems than what it replaces.
As such K&N made the oval one, so the air entering the MAF doesnt have the turbulence.
Personally I have the oval one on my car and it idles perfectly, and it has made a noticable improvement.
i dont think anyone has fitted round pods that i know of because your choices for the magna are only K&N panel or K%N oval pod, the pod comes with an adaptor to the maf. any other pod will not have an adaptor and noone wants to go to the trouble of making one. also i think the airflow at idle would not be fast enough to swirl much more at WOT it would.
i found that putting a section of round pipe in front of the pod did not cause any problems and actually improved the performance more than having it straight on the MAF. maybe some other magnas did have problems when K&N did their r&d, so didnt take chances on it.
Redav
10-09-2004, 12:26 PM
Their conculsion was that the pod 'on a standard engine' gave about 1-2 extra kilowatts at the wheels over the entire rev range than their replacment filter counterparts (this also used the standard intake designs).
Hmm... I think the stock induction piping would be more of a culprit than a pod being better over a panel but yes different products flow differently. A pod won't flow any better than a panel if it's of the same design, thickness and condition. Just because it has a larger surface area, doesn't mean it will flow more. The air still has to go through the same size MAF opening. Also, air going straight through a panel will flow better than having to change direction and twisting around to get into a pod. As for the 1-2Kw gain, dyno's aren't consistantly that accurate. The run my car did within the same minute went from 154HP to 159HP. I wouldn't want one that flows too good anyway, means there's more crap entering your engine and that's not good.
Altera98
10-09-2004, 12:37 PM
Hmm... I think the stock induction piping would be more of a culprit than a pod being better over a panel but yes different products flow differently. A pod won't flow any better than a panel if it's of the same design, thickness and condition. Just because it has a larger surface area, doesn't mean it will flow more. The air still has to go through the same size MAF opening. Also, air going straight through a panel will flow better than having to change direction and twisting around to get into a pod. As for the 1-2Kw gain, dyno's aren't consistantly that accurate. The run my car did within the same minute went from 154HP to 159HP. I wouldn't want one that flows too good anyway, means there's more crap entering your engine and that's not good.
plus redav, there are 2 more things to consider for power and flow, the panel inside the stock airbox is in fact CAI, it draws in cold air in front of radiator, pod in engine bay sucks only hot air. BUT the stock airbox and snorkel suffers what looks like a huge restriction to flow in front of the snorkel. in front of the snorkel opening, there is a solid plastic strip, and there is only an opening for the bonnet latch mechanism. surely the vacuum needed to suck the air through this small funny shaped opening and then along the strip before going into the snorkel would be a big part of any power lost using the panel.
Redav
10-09-2004, 12:56 PM
plus redav, there are 2 more things to consider for power and flow, the panel inside the stock airbox is in fact CAI, it draws in cold air in front of radiator, pod in engine bay sucks only hot air. BUT the stock airbox and snorkel suffers what looks like a huge restriction to flow in front of the snorkel. in front of the snorkel opening, there is a solid plastic strip, and there is only an opening for the bonnet latch mechanism. surely the vacuum needed to suck the air through this small funny shaped opening and then along the strip before going into the snorkel would be a big part of any power lost using the panel.
Yeah, I realise that. Jowet noticed a noticeable when he created his wider / taller version of the stock induction but I don't think it's that bad a setup. I had a fluid dynamics guy look at the induction and he said while it's not perfect and there's some obvious tweaks, it's not that bad.
Altera98
10-09-2004, 01:29 PM
i recall jowet got some better than average results using mainly known mods with known improvements, so i reckon his cai had a lot to do with it. im not sure what he did in front of the snorkel tho, i doubt he left the plastic strip as it was. :cool:
Redav
10-09-2004, 02:40 PM
i recall jowet got some better than average results using mainly known mods with known improvements, so i reckon his cai had a lot to do with it. im not sure what he did in front of the snorkel tho, i doubt he left the plastic strip as it was. :cool:
No, I think he removed it but he created a fibreglass version that was wider and taller. Hopefully we'll test it on mine to see if a car with a higher rpm for peak power gains much more from it. We'll see. We wanted to test it at the drags so that will be subjectively, speculatively interesting :D
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