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The oil doesn't really get dank. The cotton is what is holding the dirt. The oil is just there as a "filter" for the filter. When you clean the filter you are cleaning the dirt off the cotton. Once the cotton is dry you then need to re-oil, without over-oiling, the filter.
Oiled filters such as K&N have been shown to trap less dirt than paper filters. K&N sez otherwise but real-world tests prove them wrong. The raison d'etre for K&N is more air flow compared to paper. If you're good with that, enjoy them.
Oiled filters such as K&N have been shown to trap less dirt than paper filters. K&N sez otherwise but real-world tests prove them wrong. The raison d'etre for K&N is more air flow compared to paper. If you're good with that, enjoy them.
on the Rennlist forums, a guy flow benched a K&N filter vs a stock Porsche 928 paper filter. the paper filter flowed more air. LOL
not a fan of K&N at all - i put in R2C Black Hex drop in filters in my G - no oil, just blow them clean with an air compressor, or clean with water if they are really dirty.