Sponge air filter or K&N?
03-04-2008, 09:34 PM
#16
Drifting
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I don't have the time to locate the articles, but I am sure if a person spends a little time researching they will find testing data
03-06-2008, 02:15 AM
#17
Burning Brakes
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I will tell you how. You put a dab of grease on the inside of your maf pipe and drive the car. Then you look at that dab of grease and see how much crap it has built up on it. Now, who wants to be the test subject?
03-06-2008, 02:54 AM
#18
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As with any filter, it depends on the brand.... Foam isn't necessarily bad, but it depends on the brand. For example, I ride Kawasaki triple's with UNI foam pod filters that work FAR better than the K&N's I had before. ie. no more crap building up inside carb bodies. This is essentially what odb describes as the carbs are loaded with oil from the blowback of the piston port two stroke engine.
03-06-2008, 05:46 AM
#19
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As with any filter, it depends on the brand.... Foam isn't necessarily bad, but it depends on the brand. For example, I ride Kawasaki triple's with UNI foam pod filters that work FAR better than the K&N's I had before. ie. no more crap building up inside carb bodies. This is essentially what odb describes as the carbs are loaded with oil from the blowback of the piston port two stroke engine.
...morons.
03-06-2008, 06:22 AM
#20
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Its nice to see constructive comments like yours.
03-06-2008, 07:08 AM
#21
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moron was reserved for others who ALWAYS look for the cheap way out. As I said...see signature.
You clearly haven't been here long enough to get my post.
You clearly haven't been here long enough to get my post.
03-06-2008, 10:44 AM
#22
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03-06-2008, 05:36 PM
#25
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so seriously here - before arguing a rediculous position - go do some research...... really
Often foam are used as "pre-filters" for dirt-track type racing - IN ADDITION TO an air filter.
Think about it, do 30 minutes of research, then think again..... then you are allowed to post
Often foam are used as "pre-filters" for dirt-track type racing - IN ADDITION TO an air filter.
Think about it, do 30 minutes of research, then think again..... then you are allowed to post
03-06-2008, 05:57 PM
#26
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so seriously here - before arguing a rediculous position - go do some research...... really
Often foam are used as "pre-filters" for dirt-track type racing - IN ADDITION TO an air filter.
Think about it, do 30 minutes of research, then think again..... then you are allowed to post
Often foam are used as "pre-filters" for dirt-track type racing - IN ADDITION TO an air filter.
Think about it, do 30 minutes of research, then think again..... then you are allowed to post
03-06-2008, 11:25 PM
#29
Burning Brakes
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here's an article I read, and where I heard about Pipercross a while back
Aftermarket performance air filters are commonly constructed from one of two materials - cotton gauze and foam.
There are benefits of both but typically, when serviced correctly, both will provide more than adequate filtration for any particles likely to increase engine wear (bore wear in particular).
Cotton gauze filters like the K&N mentioned use layers of cotton impregnated with a wicking agent (an oil basically) which is designed to trap dirt particles in the filter without obstructing the air flow.
The cotton is then sandwiched between a gauze mesh to provide rigidity to the filter. The gauze is then pleated to increase the surface area along the grooves, extending the lifespan of the filter before it needs to be removed from the vehicle and cleaned.
Foam filters (not sponge - this is a marine animal) are made from layers of reticulated foam, basically it has a cell-like structure.
The better filters such as those by Pipercross, use multiple layers of this foam to achieve their high level of engine protection and combined with a wicking agent also offer excellent filtration but with the addition of a much longer lifespan than a K&N (or similar).
The benefit of a foam filter over a cotton gauze is that foam is typically cheaper to produce so the costs for the end user are normally lower too. Foam is also easier to clean and re-oil.
As with all filters, regular inspection is a must but with the performance ones above you should expect many many years of trouble free motoring.
Aftermarket performance air filters are commonly constructed from one of two materials - cotton gauze and foam.
There are benefits of both but typically, when serviced correctly, both will provide more than adequate filtration for any particles likely to increase engine wear (bore wear in particular).
Cotton gauze filters like the K&N mentioned use layers of cotton impregnated with a wicking agent (an oil basically) which is designed to trap dirt particles in the filter without obstructing the air flow.
The cotton is then sandwiched between a gauze mesh to provide rigidity to the filter. The gauze is then pleated to increase the surface area along the grooves, extending the lifespan of the filter before it needs to be removed from the vehicle and cleaned.
Foam filters (not sponge - this is a marine animal) are made from layers of reticulated foam, basically it has a cell-like structure.
The better filters such as those by Pipercross, use multiple layers of this foam to achieve their high level of engine protection and combined with a wicking agent also offer excellent filtration but with the addition of a much longer lifespan than a K&N (or similar).
The benefit of a foam filter over a cotton gauze is that foam is typically cheaper to produce so the costs for the end user are normally lower too. Foam is also easier to clean and re-oil.
As with all filters, regular inspection is a must but with the performance ones above you should expect many many years of trouble free motoring.
03-07-2008, 01:25 AM
#30
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76 911--
Dude you ride triples?! You must be insane! Those things were rocket coffins. Couldnt stop, couldnt turn but they could GO! I ride old Yamaha RD's and they are scary enough in the power-band.
Dude you ride triples?! You must be insane! Those things were rocket coffins. Couldnt stop, couldnt turn but they could GO! I ride old Yamaha RD's and they are scary enough in the power-band.