Recent content by GW.

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    Mobil 1 ESP (SQ rated) 0W-30

    No. Passes all SQ engine performance tests including LSPI.
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    Premium Guard UPG-63R vs Premium Guard PG2500 vs Premium Guard PG2500EX

    Not really correct. Easier way to think about it. All 20k filters are equal.(Carquest EP, Premium Guard Ultimate) Synthetic media. All 10k filters are equal.(Carquest Premium, Premium Guard EX, Micrgard Select, Ecogard Synthetic) Synthetic Blend media. All 5k filters are equal.(Premium Guard...
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    LSJr tests and discusses DexosD babymax oils

    UOA’s used correctly can help identify problems early. Like seeing an unexpected spike in glycol(coolant in oil). Another member caught a timing chain failing early enough to replace it without damage to the engine. I think of it as what is the engine doing to the oil, not what is the oil is...
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    LSJr tests and discusses DexosD babymax oils

    There’s been several official wear studies posted here over the years. Engines are disassembled and measured. Not one shows a lower viscosity with less wear. Not many engines maintained correctly wear out. Many more die because of engine/piston cleanliness problems. Ranking solely on wear is...
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    LSJr tests and discusses DexosD babymax oils

    Yes. There’s a reason no official wear studies use UOA data.
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    LSJr tests and discusses DexosD babymax oils

    I contacted him about 6 months ago asking why he’s ranking oils based on UOA wear metals. His response was “because it’s the only data we have”. Obviously that’s not science. I do enjoy his HPL lab vids. Some good nuggets there.
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    Why do people strongly opine about topics they know nothing about?

    It’s lonely at the top. Knowing everything isn’t what it’s cracked up to be. 🤣
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    What is with the lack of 100% synthetic oil filters? Was Fram the only one making them?

    Agree. I usually do the oil/filter bundle which gives you a free EP or Premium.
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    What is with the lack of 100% synthetic oil filters? Was Fram the only one making them?

    99.9%@25(premium) vs 99.5%@25(EP). The difference is minimal IMO.
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    Carquest and MicroGuard oil filters

    Oh wow can’t believe I missed torn pleats. 10k or 5k Ecogards?
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    Carquest and MicroGuard oil filters

    Where? I mostly hang in the oil filter section and haven’t seen one bad made in China PG filter c&p.
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