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MG MGB Technical - K & N cleaning efficiency

Just a question of curiousity, really.

I know that the K & N filter flows air better than the paper filter in the original cans. However, being a foam filter, doesn't it pass larger dirt particles than a paper filter?

Thanks in advance.


Matt K.
Matt Kulka

Matt, The K&N is a pleated cloth or cheese cloth ( gauze) material with a wire screen to reinforce it. The cloth media is then saturated (almost) with a oily substance that traps the dirt etc. I have been running them in Ford powerstroke Diesels since 1996 well over 200,000 miles on $4500 engine with no problem. Just pull it off 30,000 miles or so and clean it & re-oil using the kit from K&N. Good product and economical if you keep the vehicle a long time.
Bill Jones
William Jones

Matt,

The K & N isn't foam, it is a surgical-type gauze with an oil film, supported by wire mesh. The oil traps particles as small as a paper filter can. A brand new paper filter flows as well as the K & N, but loads up quickly and soon is very restrictive in comparison.

When in my motorhead formative stages, racing dirt bikes in high school in the mid/late-70's, K & N's were the hot setup. The filters that came on the bikes were immediately jettisoned. I ran some cross-country races where the rain crashed down all day and the mud was a couple of feet deep in places, but the bike never quit.
Paul Konkle

Thanks to both of you. Curiousity appeased.


Matt K.
Matt Kulka

This thread was discussed between 12/12/2001 and 13/12/2001

MG MGB Technical index

This thread is from the archive. The Live MG MGB Technical BBS is active now.