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Thanks much! Yes, I recall seeing these graphs on BITOG site before, but I was a little skeptical since some of the graphs only show 4 results/color traces, while others do show all 5. Nevertheless, the Fram Ultra Synthetic looks to be a very solid choice. The BR testing showed similar high...

Unfortunately, they don't offer any Extended Life filters for my 13/16-16 thread (Chevrolet) application, just their regular filters.

Thanks for the feedback. I have become highly skeptical of filter manufacturer claims, like the one Premium Guard is showing here for their Extended Life filters. 99% multi-pass efficiency and removal of particles as small as 25 microns does not mean their filters are 99% efficient at 25...

Wow, thanks! Does seem like a super robust filter as well. I especially like the large flow holes in the inside tube, and opposed to the louver slots you see on most filters. Where do you get the efficiency rating? I did a Google AI search and came up with 96% multi-pass efficiency at 20...

Thanks for the suggestion, I'd never heard of Premium Guard filters before. Looks like my application calls for a PG4631: https://www.pgfilters.com/product-catalog/product-page/PG4631/1970-Chevrolet-K20+Suburban/Oil-Filter/ I could only look this up by application, not attributes like thread...

The Mobil 1 product seems to have performed pretty well on the BR videos, but I'll have to investigate the SuperTech...I've never considered. Thanks for the suggestions.

Yeah, when I watch tear down videos of Fram products, it's seems they are always manufactured in the US, so it was a surprise to me as well that their racing filter products were manufactured in China. But like I said, my tear down showed super impressive features, very hard to ignore. This...

Honestly I'd never considered CarQuest brand products. To me, it's kind of like buying a Wal Mart SuperTech brand filter, but I'll have to investigate. Thanks for the input.

Thanks; the BR videos do show particle count by size, and for the Purolator Boss filter the quantity of particles it passed were among the best they tested, but to your point, it's a very crude measurement...raw weight of standardized dust. BR never shows us the distribution of the dust they...

Last year I spent a considerable amount of time investigating the best oil filter(s) for my vehicles, which range from a classic 1970 Chevy to a 2002 Honda CR-V. In the mix is a supercharged Ford Modular Motor making >700 fwhp. I was able to come to that conclusion based on YouTube videos...