Champion COS10575 & COS10590 - C&P

Joined
Dec 31, 2018
Messages
567
Location
Fort Worth
Originally Posted by thrace
Tried to buy champion oil filters but got this automatic response from RockAuto website: "Part # COSXXXX cannot ship to California because we do not have documentation required by Proposition 65 from CHAMPION FILTER. Please choose a different brand. I guess Champioon oil filters are not to be sold in California.
That's just because California sucks. And so who really cares lol
 
Joined
Dec 31, 2018
Messages
567
Location
Fort Worth
Originally Posted by webfors
I picked up my $1.30 Champion filters, so I decided to cut a couple open. Hybrid media, good filtering efficiency, silicon ADBV, nice basic construction, and good strong media with strong bonding. Each filter had 56 pleats. https://fme-cat.com/livedocs/Oil%20Filter%20Sell%20Sheet_052317.pdf Differences between the two; I noticed the 10575 was heavier than the 10590, which was strange considering the 10590 being a larger filter. After looking at the cut open parts, it was the baseplate. The 10575 base plate was much heavier. COS10575: has a traditional coil spring, which directly connected to the bypass valve. The media appeared to have a slight advantage with respect to how deep the media went before hitting the centre cage. COS10590: has a leaf spring, with a bypass valve with internal spring/design. The media was more evenly spaced vs the 10575. There was some corrosion in the bottom of the can. They both appeared to have about the same pressure relief when I tested them with the trusty pen grin I feel ok using these in the Cadillac for the ~5k they will see. I know I said I was done with paper filters, but I'm really starting to not care as much about this stuff as I used to. Must be the age. These are definitely an upgrade from the OEM PF64. Enjoy the pics: https://www.dropbox.com/sh/io7eyrnf9zfvv76/AADWfXLholqT7xZkh7pCpMA7a?dl=0 I'll cut and paste them as they are used over the next couple of years.
I think those are similar to M1 filters and are synthetic blend. I'm with you though in that I think paper media can do just fine for 5k.
 
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