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https://www.foxla.com/news/alleged-catalytic-converter-thief-killed-in-palmdale thoughts and prayers (snark)

Sorry if I try to make this all about fuel dilution, but fuel in the oil is “contamination,” or as you call it “pollution.” From there we can go in at least 2 directions: 1) some magical mythical oil which might withstand the contamination better than “regular” oil, or 2) the sooner we change...

So, @Samurai1225 you’ve said you use Amsoil in the winters. Were all three of these UOA’s on Amsoil? the 2021 UOA was on a fairly young vehicle, at lower OCI, and later in the year. Was it Kirkland or other? PURE speculation on my part, but: I suspect fuel dilution is higher than BStone says...

Precisely. 🙄

hmmm. Of my 2 vehicles, I was thinking the Subaru is the more finicky, given it’s got a transaxle, but because I’m thinking of modifying the rear diff of my Ford to include a TruTrac Torsen unit, which Eaton says doesn’t like FM’s, I’m concerned about any fluid with FM’s for either vehicle.

yeah, I don’t track my Subaru, but it is the more powerful turbo version, FWIW. That said, I don’t stress the “high” temp even in aggressive street use in Texas heat, but there could be a balancing act between “crunch-free” cold shifting and overall durability with the thinner Motul. But, I am...

This prompts me to ask the (noob) question: what temperatures does a typical rear diff…or typical Subaru transaxle…experience? I was wondering if 100C is only experienced in extreme situations? I could be persuaded that 100C is not the normal operating environment, unless towing…or racing. But...

Yes, appears “sold out,“ “discontinued,” ”backordered,” “out of stock,” or whatever, at every online source I tried a couple days ago. Too bad. nothing against HPL or Amsoil, because i have no experience with either in the Subaru, but I personally felt comfortable that mixing the LW Shockproof...

Well, some (or many) people might want to see that tested, but there is also a RedLine 75w90 without friction modifiers…confusingly labeled 75w90NS.

Well, I appreciated it. At least I’m not the only nutball on here who tried Motul & LW Shockproof. I was hoping HPL Dave might understand what I was getting at, but that’s a tall order…to respond regarding a mix of 2 competitors’ products, especially with a “weird” fluid like the Shockproof...

I probably better just offer money then, say $20 😬. You’ll need some extra donors then. I’m open to that $20 going for Motorcraft 75w85 or Amsoil SG 75w90. if they need a quart, i‘m guessing this isn’t a $35-$40 analysis. 🥴

I think both the Subie’s you mention are the newer design that don’t need the “extra help” the older 5-sp needed, so I agree, my mix would not appeal to you. i’ll go out on a limb here and say the HD 5-sp relied more on “splash” lubrication, whereas the newer WRX had a pump of some sort??? Or...

I don’t have any Redline 75w90, however I do have a sample of their lightweight shockproof…which, well, I have no idea how that would test, since I used it as an “additive.“. I assume there is more interest in “traditional” Redline 75w90. I also have some Ford Motorcraft 75w85, which may...

@Navi , do you have the Part number for the “upgraded“ thermostat? Of course, it might not be correct temperature for 2015 (gen 1) EB3.5, but I could check out its specs, if I knew the part#.

@SubieRubyRoo what lab did this testing? I wasn’t familiar with PDSC, had to look it up. That was the most different result between the 2 lubes…other than viscosity. I presume bigger number is better??? It would be super awesome if we could get apples to apples testing of Redline and Amsoil...

Didn’t Gabriel buy KYB? Long ago. just to add my experiences: I put Gabriel’s on an old Dodge van: sucked right off the bat…got dealer to exchange for KYB’s. I don’t remember model. Much better. My next van (GMC G1500) got KYB Gs-a-Justs, lasted 11 yrs until I sold the van. I liked them, yeah...

I could accept that…at least on the fuel…based on a retest experience I had. I sampled 11/14/19, sent to both Dyson and OA (Amsoil). Fuel from Dyson: 5.2%, not sure of actual report date, but I think it was the fastest turnaround. Fuel was 2.6% from OA on 11/22. Asked OA to retest; came back...

Yes, I would rather “trust” Dave or HPL in general than, say, the head of Warren (sorry, probably an unwarranted slight), but it’s in my nature to try and understand a little bit of the “why.” Then, just to make a point, if Dave decided to triple his price, I might be better able to find a...

We should start an association called Oil Journey Anonymous….or maybe BITOGA(nonymous). today was not a good day. (I couldn’t stay away) FYI, I still use Castrol “BC” Euro 0w30 in my 146k Subaru EJ25 turbo. I’ve liked it, and so far nothing has blown up. But the stash is gone now. So what...

I meant to respond/comment on your UOA results: HOLY MOLY! 😳 one observation has me curious: @wwillson’s extended use of an older HPL HDEO in his gas truck showed a fair amount of Boron, in addition to a fair amount of Moly. Could be my lack of exposure, but it seems their PCMO does without the...