Bananaman
Well-Known Member
QUOTE="ShadowsPapa, post: 895756, member: 25284"] Anything but K&N filters. I've run them and have since removed them since doing some serious research. Somewhere out there is a dyno test with K&N on a Ford pickup - showing a gain - albeit not a large gain, but at RPMs only racers would see - over 5,000 RPM K&N filters let a lot of dirt through and don't last as many hours before they need attention. Their capacity to hold what they do catch is small. If you don't run high RPM, rally race, or otherwise need every last tiny bit out of the engine maybe for towing maximum load and so on, I haven't seen proof such things help "daily drivers". A lot of anecdotal stuff out there - but no proof. Keep in mind the 6.0 pulls through a lot of air - the 3.0 even with turbo - it's not like a huge engine pumping so much air through it's suffocating under normal conditions. [/QUOTE] Yes. I used to think K&N filters were the best until I started sending in my oil for analysis and I kept getting high silicone content, which is dirt. I switched back to paper filters and the silicone went back to normal.
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