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Fram also told me the media is the same on their 3980 between the Ultra and the Titanium, I replied that that is clearly not the case. They’ve not responded to me yet …

All the numbers are in the video. The canister of the Endurance 3980 is 1cm shorter than the canister of the Titanium 3980. The center tube of the Endurance is 44mm vs 39mm for the Titanium - so the pleat depth of the Ti filters is greater.

I just stretched them out on the floor next to each other. The difference is very significant. I’ll get an exact measurement this evening.

It’ll be interesting to see if this still holds true with the new Ultra media that looks very similar to the Mobil 1. Ultra: Mobil 1

I will say that when comparing the Fram endurance to the Fram titanium: the titanium is both taller, and has a significantly greater pleat depth, so the surface area of the titanium is very significantly greater than the endurance. The titanium media is also thicker/has more depth than the...

Tons of Corvette owners use these, and you might think “What? Using a four dollar filter in a Corvette?” But the filter is legit excellent quality.

Filter media backing images: Titanium Endurance Ultra Bosch Mobil

The ascent testing happened more than two years ago and does not apply to any of these filters. This Bosch is a $6.99 filter. Fram is a good choice too! Bosch Automotive 3430 Premium Oil Filter With FILTECH Filtration Technology-Compatible With Select AM...

+ refers you to a footnote.

This is an AMAZING filter! And the $3.98 price is insane! 98%@25-30um

Thanks! Yeah the early angular C4 styling was only paired with the ZF6 6-speed manual for 1 year - 1989. We got lucky with this one!

@dnewton3 https://www.gmparts.com/parts/filters/oil#:~:text=Ethylene%20Acrylate%20Rubber%20(AEM)%20premium%20anti%2Ddrain%20back%20valve%20tested%20to%20175%C2%B0C%20(347%C2%B0F)

i did email both Bosch and Fram to confirm efficiencies for these specific 5 filters, and both replied 99%@20um i didn't trust the website claims specifically because of the Purolator 30um vs 20um issue that i previously posted about

The Ascent testing was done more than 2 years ago. We can't know if any of the current filters have filter media or filtration results equal to those tested by Ascent. We can speculate - but we can't know. We have know way of knowing this. We do know 5 of the 8 filters in this comparison claim...

in the bubble point video it does look like that design

was the Ultra cut open after the test? I've looked thru all 28 pages and didn't see visual confirmation of the Ultra media type - but I certainly could have missed it

all 8 of these filters are for the same application. only the Fram TG3980 and XG3980 have bypass valves. all 6 others, like the Bosch, have no bypass valves.

For the most part your assessment is fair. I updated the title and description of the video to be clear that all filters in this video are considered Top Choices. Every one of these filters is someone's top choice and all are good. It's not unheard of for a filter bypass to malfunction, stick...

Did Ascent cut the filters open that it tested?

i'll be cutting all of these open and will confirm. but i do think i can see wire in the titanium - and not in the ultra. the titanium box says it's wire backed too