Re: What is the best oil filter to run on a 6.0 vortec
Wix/Napa Gold are the best out there. Although I’m normally not a K&N product fan, their oil filters are a close second.
However, it sounds like you have a problem that isn’t oil filter related. You may have a worn pump, or a cracked pickup tube/worn o-ring. Both will cause oil pressure loss. The only time I have seen an oil filter actually become a restriction (aside from an incredibly poorly maintained engine causing oil caking/sludging, which no filter will repair), is a collapsed internal media on Fram filters.
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