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Hell, I'd like to keep anything in my carburetor. Dang thing goes dry after a couple days....
Good old Wix.
Engine Masters on Motortrend had a great episode on this very thing - Oil Filters They tested them all Season 6 - Episode 84 Motortrend TV
They Love the K@N Gold - 10 Micron Rating And of course the WIX Racing and Regular WIX Top Three Microns - Purpose
I'll need to consider the K&N Gold, 10 micron sounds good. Not sure how much better the 10 micron is than the 50 micron of the Wix 51515R at protecting the bearings etc.
I use the 51515XP, the standard 51515 is cellulose media, and the XP is full synthetic. There is a small tradeoff in microns, (35 microns for the XP I think?) With a high volume oil pump, the synthetic element and thicker housing may help, I dunno. Has anyone ever had a standard Wix filter problem? I had a permanent cleanable oil filter with a magnet in the end, it was a pain to get really clean. I do run a couple magnets on the filter, when it gets cut open, there are fine particles caught there.
Never, at least with my stuff. Of course, I actually change oil when I'm supposed to on the other vehicles - and the GTX gets it each spring regardless of miles (which are considerably less than 3000 from the year before).