Oil Filter Blues. Saving a buck could've cost me! Any thoughts?

I Ordered a case of 12 Wix 51515 filters today .Price was 48.36 + 8.99 shipping.I also got a few Engine Gaskets too. Filters were Cheaper than Purolator or any other brand in my area.
 
I just read through a discussion on FABO this morning about filters. Abodyjoe has some great photos of filters that were taken apart. You can see which ones are quality and which ones aren't. Talk about bucking conventional thinking!!! Oil filters
Thanks for that link!

Red/orange silicone anti-drainback valve is supposed to be better than the black ones, but might the black ones also be of silicone, too?

The coil spring releif valve spring is supposedly better than the flat-spring versions, giving a smoother action as they start to open.

Number and thickness of pleats is interesting to see!

Enjoy!
CBODY67
 
From my knowledge, filters (in general) are full-flow or bypass types, with ratings for the particle sizes they can catch..
Full-flow will generally require that they are more coarse, passing finer particles, so they don't plug up.
Bypass filters could be more restrictive, catching smaller particles, but must bypass so they don't block oil flow.

We would presume filter manufacturers to provide the best compromise in a filter - but things are not defined to us in the 'will fit' aftermarket.
Might be why some filters cause noise with some oil viscosities in some engines???

I've always thought a dual-filter setup, with a restrictive bypass-type + a larger-particle full-flow type would be the best overall, to catch everything. But that's just my theory.

Meanwhile, I just change my oil and filter whenever my mechanical pressure gauge starts giving a small flutter in the needle at hot idle.
 
I just read through a discussion on FABO this morning about filters. Abodyjoe has some great photos of filters that were taken apart. You can see which ones are quality and which ones aren't. Talk about bucking conventional thinking!!! Oil filters

Good information there! I'm happy with Wix 51515s for the present, though if I scored a deal on Motorcraft, Purolator or some of the other Good Old Brands, I'd likely use them. So long as Mann & Hummel keep Wix as they have it, I'll be happy with them.
 
Purolator Filters.
Now also owned by Mann-Hummel

Purolater filters.jpg
 
Now also owned by Mann-Hummel

0% surprise. Damn big crapitalism! I pray they don't screw up both Wix and Purolator, but expect they eventually will liquidate one and dilute the other. "Its the Way Things Are Done..."
 
owned a vw repair shop for over 30 yrs...the dealership that i dealt with for all the genuine vw stuff would sell me 10 packs of mann filters (the same ones they used)...and yes i got at least one bad one that wouldnt flow at all..after that every filter i used i made sure i could inhale through it first ( ok you can make fun of me now)
 
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