K&N air filter for f450? - FordTough.ca - Home of Canadian Ford Truck Enthusiasts

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post #1 of 2 (permalink) Old 02-05-2015, 04:29 PM Thread Starter
Join Date: Feb 2014
Location: squamish
Posts: 10
K&N air filter for f450?

Hello everyone out there;
Anyone ever had issues with a oem K&N replacement filter (E0785) for the 6.4ltr F450? The stock one needs replaced and i thought the K&N would be a good choice to replace with then someone told me that the oiled filters are not good to use with a turbo setup. Can the turbo suck oil residue into the turbo and ruin it? They are about the same price as a dry filter is but will last longer and have better airflow. Cheers
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post #2 of 2 (permalink) Old 02-05-2015, 05:17 PM
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Join Date: Feb 2009
Location: Kitimat, BC
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IMO, the K&N filter are not good for turbo powered vehicles, as there is much more suction. When the oil eventually disappears, dirt gets through and leads to damage/wear...the term is called "dusting". I'll stick to dry filters myself. I'm not sure about tbe 6.4L, but the stock filter in my truck (6.0L) has one of the best ratings for filtration, and is good to about 500hp...I'm around 450 now and don't plan on much more.

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