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  1. Review of Twelve 2.0T Oil Filters

    Purolator = Mann+Hummel. They had a serious run of bad non-Boss Purolator filters a few years ago (tearing media at low mileage). I may go grab one of each--I think AAP sells them near me.
  2. Review of Twelve 2.0T Oil Filters

    I have never seen that in practice--look at the FRAM Endurance versus the SuperTech. It is clear the SuperTech has more surface area and media--but the FRAM wins on efficiency. It's all about the media efficiency...
  3. Review of Twelve 2.0T Oil Filters

    Yep; I have seen those and they are of visual value, but the ISO 4548-12 test results are the most telling. You could have 25% more media in a filter, but if its ISO 4548-12 rating is 90% @ 30 microns, that does not outperform a filter with a rating of 99% @ 20 microns despite having less...
  4. Gaining Oil - Fuel Dillution - Some Thoughts

    Buy one of these and send in a sample. Blackstone uses a highly subjective flame test that is not accurate. Polaris uses gas chromatography and is the most accurate test out there. https://www.amsoil.com/p/oil-analyzers-test-kit-non-postage-paid-oainppkit/
  5. Review of Twelve 2.0T Oil Filters

    The Endurance is just as good at a much cheaper cost. The Amsoil filter is more than the K&N and you have to pay shipping on top of that. I'm not saying it's a bad filter, just too expensive for what you are getting when others are just as good.
  6. Gaining Oil - Fuel Dillution - Some Thoughts

    The 2.0T is a direct injection engine and is prone to fuel dilution. Have you performed a used oil analysis to find out what the dilution percentage actually is? You will have to find a lab like Polaris that uses gas chromatography as the test method. Blackstone does not use it and their...
  7. Redline 0w20 VOA

    Just buy a 0W-30...and save yourself some $$$. Probably a few VOAs of it on BITOG.
  8. 2018 JLU Blackstone Oil Analysis After 91K on Jeep / 8K miles on oil

    A few things to note: 1. A typical UOA will only detect particle sizes between 5 and 10 microns. Particles which are smaller or larger than this will be invisible to a UOA unless a specific particle test is ordered. This means that something could be happening in the engine related to wear that...
  9. Nasty rear diff oil. Opinions wanted.

    Not according to Dana who manufactures the axle. Dana specs 75W-140 for all Mxxx axles. They have no skin in the CAFE game like Stellantis does.
  10. Please share your UOA (Used Oil Analysis)

    https://www.jlwranglerforums.com/forum/threads/all-uoa-info-for-my-jl-jeep-wrangler-2019.119906/
  11. Colorado Free Inner Bumper Support Brackets & Tow Hook

    Last call before it hits the trash bin tomorrow...
  12. Great Jeep Commercial in 2025 Super Bowl! ❤️

    This Jeep makes him happy, even though his last name is Ford. That was funny...
  13. 3.6 l Engine Oil Type

    Oh, I have. From 2010 until 2015 (when I switched to Polaris) I used Blackstone for a total of 52 tests for various vehicles and 5 of them had issues--twice they swapped my sample with someone else's, once they spilled the sample, and twice they applied the wrong test. So about at 10% failure...
  14. 3.6 l Engine Oil Type

    There is nothing to expose...go take a course in critical thinking. It would help you better substantiate your arguments.
  15. 3.6 l Engine Oil Type

    You should probably just have someone else maintain your vehicle like the dealer...pretty easy to see why you were voted off the BITOG island...
  16. 3.6 l Engine Oil Type

    You really need to stop making such broad condemning statements with ZERO data to back it up. I have never used HPL and have no intention of doing so, but a company does not stay in business for 10+ years doing what you are stating they do with no proof other than your opinion and a single VOA...
  17. 3.6 l Engine Oil Type

    So, what is your point (if you even have one)?
  18. Review of Twelve 2.0T Oil Filters

    @NWJeepr - I went through my notes and did another extensive search and could not find the source that I had located previously. I updated the sheet and post to indicate unknown for the Mopar efficiency rating. With that said, in my experience (such that it is), most OEM filters do not come...
  19. 3.6 l Engine Oil Type

    LOL - only their entire business if they produce an inferior product. The marketplace has a way of self-correcting for poor quality and false claims. It is highly doubtful that HPL has operated in that manner for over a decade as they were formed in 2012. The big names you mentioned would have...


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