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    5w-30 Synthetic High Mileage Oil questions

    I realize that I am not cut out for the whole BITOG analysis thing. It’s just too exhausting. And IMO, it’s maybe a waste of time. To find a good oil, yes! But almost all - or maybe ALL of the major supplier synthetic oils are good. Pick your favorite and go with it. Seems to me, choose a...
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    5w-30 Synthetic High Mileage Oil questions

    I am starting to understand what BITOG is all about. As my long deceased dad once said, it’s time to **** or get off the pot. Some folks here are suffering from decision constipation.
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    What measurements of oil properties are possible & useful in a running engine?

    As stated above, what’s the benefit? If this sensor was not too expensive, and it could provide a better warning of incipient bearing failure, or sudden oil degradation, then you may have something here. Perhaps GM would want to install this in their V 8’s. Current, I believe that GM uses a...
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    Valvoline Restore and Protect skepticism

    GM produces a good number of vehicles. Ok, I agree. GM does not produce good vehicles. Just a number of vehicles with defective engines. 6.2 V8.
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    0w-8 vs 0w-30

    Maybe we all need a helmet to protect us from precious entitled BITOG know-it-alls! Sorry, I left out “smug”
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    2018 Honda Pilot towing with Valvoline Restore and Protect

    Update to this thread: I changed the Pilot's oil from Valvoline Restore and Protect 0W-20 to 5W-30 before our recent camping trip. We towed our 3000# trailer without incident from the Twin Cities to the Lake Superior North shore and back. About 600 miles overall. A couple of quick...
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    9k mi on my 1st Valvoline Restore and Protect interval

    Don't worry, carry on. Try to do a 5k oci for the next one. Life happens, the car still runs, the Valvoline Restore and Protect is doing it's thing. All good.
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    Amsoil app

    But, have you ever been to Superior Wisconsin? Superior makes Duluth look good, and that’s saying something. Amsoil’s facility looks like an oversized, underused, semi-forgotten industrial park. Empty parking lots. Nothing cutting edge. But I’m sure that they are blending up good stuff.
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    0W-8 in 2026 Toyota Prius

    You seem to think that viscosity change due to temperature is a new phenomenon. Modern oils with a high viscosity index are actually much more viscosity stable over temperature ranges, compared to years ago. A 4x variation in viscosity is probably not such a big deal. Modern engines are...
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    0W-8 in 2026 Toyota Prius

    Just nostalgia on my part.
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    0W-8 in 2026 Toyota Prius

    Like Ford V8s used to do?
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    0W-8 in 2026 Toyota Prius

    Smarter than me, for sure!
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    0W-8 in 2026 Toyota Prius

    Calcium borate and a molybdenum compound seem to be key to this additive technology. We can’t tell details from UOA, but these elements are all significant in many modern oils. The secrets are probably not secret to the corporate chemists of the top lube manufacturers. The summary mentions...
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    0W-8 in 2026 Toyota Prius

    I’m no tribologist. However, I don’t think that what you are mentioning is a new thing. These are anti wear and anti friction additives. Valvoline Restore and Protect refers to “Liquid Shield technology”. Of course, we don’t really know what their exact formulation is. Moly? Boron? Zinc...
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    0W-8 in 2026 Toyota Prius

    If you are happy with it, all good! However....the Gen 3 Prius low tension rings are known to start burning oil after 100 to 150 k miles. Just saying, why don't you read up on Valvoline Restore and Protect? Oil technology keeps changing.
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    0W-8 in 2026 Toyota Prius

    IMO, if you are driving in easy load situations, then follow Toyota’s recommendations. If you feel that you are pushing your cars a bit harder, you could go 0W-20. Might not make any real difference, but perhaps you would feel better? We have an old 2013, so we only run 0W-20. Valvoline...
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    0W-8 in 2026 Toyota Prius

    If you were driving a 6.2, perhaps it would have.
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    0W-8 in 2026 Toyota Prius

    Our 2013 Prius 2 has 134 combined HP! I find it to be an excellent car with adequate power. Of course, it’s been paid for 8 years ago, so that helps. Really, the current prices for this new, more capable Prius are pretty good. Our 2013 was $24,000 back in the day. Add a bit of inflation, and...
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    0W-8 in 2026 Toyota Prius

    Does the 200 HP spec include the battery powered motor generator?
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