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  1. J

    2020 Subaru Outback 2.4l Turbo, Mobil 1 T-SUV 5w-30/AFE 0w-20 Blend, 3300 mile OCI, Copper Increase, OAI vs. Blackstone

    It's a regular piece of equipment on the car, not an aftermarket add-on. A better name for it would be "oil heat exchanger" or "oil attemperator" because it exchanges heat between the engine oil and the coolant. When the engine is starting up and the oil is below the coolant temperature, it...
  2. J

    2020 Subaru Outback 2.4l Turbo, Mobil 1 T-SUV 5w-30/AFE 0w-20 Blend, 3300 mile OCI, Copper Increase, OAI vs. Blackstone

    Your point is validated by my latest UOA! I had a concern about the Copper value in my OAI-performed sample #5. Now, my latest UOA (sample #6) shows Copper at a more typical value. It appears that there may indeed be a time-dependent component to Copper pickup. To wit: Sample #6 with OCI of 80...
  3. J

    Subaru Outback vs Forester

    Currently have a '16 Forester and '20 Outback XT (turbo engine). Before that, had a 1999 Legacy GT Wagon. That car is still on the road in hands of young relative, with 240k miles. All these cars have been very reliable. Only major repairs needed were on the '99, which needed headgaskets at 120k...
  4. J

    Advice needed for 2015 Subaru Outback BS9 that consume?

    My '99 Legacy GT Wagon with EJ DOHC engine unsurprisingly developed weeping cam carriers at about 10 years old/ 100k miles. Switching from regular Mobil 1 to the HM version mostly stopped problem; after that, consumed about 1 quart per 2000 miles. That car is still in service with a young...
  5. J

    New Amsoil EA15K13 different than Fram Endurance from 2023

    Agreed, I was hoping that someone else has an Endurance with a more recent date to check. FWIW, the Endurance I have was purchased at WalMart only a couple of weeks ago.
  6. J

    New Amsoil EA15K13 different than Fram Endurance from 2023

    Just bought a Amsoil EA15K13 and was surprised to see that it is different than a Fram Endurance FE7317 I recently bought. Up until now I was under the impression that the filters were the same other than cosmetic outer paint. The Amsoil has an E-core plastic inner tube. You can see the media...
  7. J

    2022 Forester 10,060 OCI 5W-40 Mobil 1

    What is your objective in running such a long OCI in miles and time? Why the oil much higher in viscosity than what Subaru specifies?
  8. J

    2020 Subaru Outback 2.4l Turbo, Mobil 1 T-SUV 5w-30/AFE 0w-20 Blend, 3300 mile OCI, Copper Increase, OAI vs. Blackstone

    Good observation about the time-related component for copper pickup in oil, I hadn't considered that. It does seem to fit my most recent results. Also explains BlueSubie's general observation that shorter vs. longer OCIs don't seem to affect how long in total miles it takes for break-in related...
  9. J

    2020 Subaru Outback 2.4l Turbo, Mobil 1 T-SUV 5w-30/AFE 0w-20 Blend, 3300 mile OCI, Copper Increase, OAI vs. Blackstone

    Comments on my UOAs posted above: UOA by OAI shows INCREASE in Copper level. What level concern should I have? Suggested course of action? Lab error can be ruled out, as I had retained more of drain sample and sent it to Blackstone for comparison, and they got similar Copper result. OAI also...
  10. J

    Does mobil 1 Advanced clean as good as it did years ago?

    According to mobil1.com website, the latest iteration of Mobil 1 Truck & SUV, in 5w-30 grade only, has a notably higher flashpoint (261 degrees C) than other viscosities of this line or other Mobil 1 variants. Assuming the spec isn't a typo, what if anything does that imply about the base stock...
  11. J

    Metal flake and burr on Oil filter edges

    Fram Ultra XG7317 I bought recently had burrs on outer inlet holes. I elected to cut it open to examine. No other obvious defects found. Bought another XG7317 which did not have any burrs, and I installed it on my most recent oil change.
  12. J

    Anything is easier when you don't have a choice.

    Probably wouldn't work. Neighbor sounds like classic ODPD (Oppositional-Defiant Personality Disorder).
  13. J

    2022 Subaru Crosstrek LTD 2.5 OEM Oil Filter Photos

    Although, oddly, the original OE Subaru blue AA15A filter is being sold at WalMart. In a box containing the shrink-wrapped filter as they were always supplied loose, before. There is even less hard info available for the "temporary replacement" AC Delco clones now being sold at dealer parts...
  14. J

    Fram Endurance - synthetic and wire backed

    Can someone explain why Fram has chosen the following weasel-words in their efficiency claim for their "Fram Endurance" filter line? "FRAM Group testing of average filter efficiency of FE8A, FE3387A and FE4967 or equivalent FRAM TG or EG models under ISO 4548-12 for particles greater than 20...
  15. J

    Mobil 1 Truck & SUV oil formula

    OK, found the YouTube videos purporting to show recent Blackstone VOAs for Mobil 1 Truck & SUV 5w-30 vs. Mobil 1 EP 5w-30. (Both are marketed as "Triple Action", whatever that means). The YT poster is an admitted M1 critic. His math is somewhat off in claiming that the add packs are virtually...
  16. J

    Mobil 1 Truck & SUV oil formula

    Do you have a Link to a VOA for Mobil 1 Truck & SUV 5w-30 reflecting the recent reformulation that now meets Dexos 1 gen3? With my (albeit limited) skills, I couldn't find such a VOA using either search on this forum, or Google.
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