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I think this might be legit, the seller only has the less popular sizes, likes the 3980 or shorter 3387 with 18mm inlet. He doesn't have the more popular 10575 or 10060 with 22mm inlet. I'm gonna get the 3980 for my 3.4 V6

Thanks, fantastic, for the info, the link was especially helpful!!

Maybe this has been covered, but I couldn't find it. I'm looking at a Baldwin B7449 oil filter with 9.8 nominal, 27 absolute micron rating. How would that compare to a percentage of a specific micron? Thanks

How you coming along with putting miles on that Supertech? It's been 5 months.......

So with all these issues with the construction of spin on filters, does anyone make a conversion to cartridge? Apparently these cartridge Frams are wire backed synthetic with no bypass or lip seal to leak.

If you’re looking at the charts, they will not recommend an oversized filter for your car if it didn’t come with one. Case in point, 2008-2010 Buick Enclave with 3.6 V6 came with the shorter filter, the 2011 & later came with the longer one (Fram 10575). I use the longer in my 2008. My 2020 6.0...

Ya the new Ultra says the same thing, 20k. That’s why I think so many pictures with wavy pleats are showing up. I go 5k max

Rowley’s has the Service Pro E series, the stat sheet they provide says: Extended life filtration media engineered to deliver up to 10,000 miles of engine protection 99% Multi-Pass efficiency and removal of particles as small as 25 microns

The Service Pro chart you posted, is that for the Carquest filter?

High efficiency filters usually have a short service life, rule of thumb being longer service life = lower efficiency & vice versa. I was warned by an analyst years ago that the old Pure One would clog up early due to their high efficiency, so change them out sooner. But high efficiency...

A big shop vacuum would also open the bypass valve, no?

I went back to Ultra Synthetic, after all the hoopla about the Champion-made ruffled bypass bracket letting unfiltered oil through. Yes they cheapened it but it still filters more efficiently than any other. Wavy pleats I think are a non issue. We don’t know the history of the filters...

Amsoil buys it's base stock from EOM I believe, so it's a good chance they are using AN in place of PAO? The ONLY Amsoil Euro that meets all the specs that @Kalle.J mentioned is the 0w-30, the only one that meets SP specs. Lake Speed Jr. says AW & detergent additives (Calcium for one) compete...

I carry a bottle of Techron concentrate when I'm on the road in the motorhome, not a lot of top tier stations in small towns in Texas hill country. I pour about a third of the 20oz bottle in at every fill up, which is usually 40-50 gallons. Lake Speed Jr. says Shell With V-Power actually lubes...

Thanks for C&P, couldn't really see the date code, looked like mid 2023?

Could it be they cleaned up their act?

Thanks!!

Thanks, @BrendanC, those FE's still looking pretty shabby......

Thanks @Chumango, now that you are cutting filters open, I'd love to see the Endurance when you change it. Maybe do a flashlight test on it too. I cut an Ultra open a few months ago, no light leakage, no wavy pleats, either. I think because I only run 4k miles or so the pleats aren't writhing in...

I agree with this completely. Every vehicle I have has the larger size filter, what that does effectively is slow the flow through the media as there is more media to flow through. I have made the comparison to a river, it is moving faster through narrows but slows down through wide spots. The...