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    Strange Polymerization

    Kind of a silicon rubber, or glue, former engine oil in sump. https://youtu.be/3fr2XlOq8Dk
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    Another unbelieveable effective flush fluid

    This one you add to the used oil, but it is really strong, dissolving the slugde as well as the water polymer shown before. Another way ahead product. A few demo here https://youtu.be/9h61ZO_EESY https://youtu.be/mMOxIN_4iF8 https://youtu.be/AO2KJ8htf70 Pretty neglected engines get like new...
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    A flush that really dissolves sludge? W/ 50% water

    Polymer und Water. Kind of a cutting fluid. Makes engine new again. Don't use solvents. https://youtu.be/F4OOLeChcSM
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    Look what acid buildup do to filter media

    Shattered and brittle https://youtu.be/Nx1_WkeSjrc
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    Vigin oil tests not voa

    Several virgin oil tests at http://www.instituteofmaterials.com/engine-oil-database/index-of-oils-tested/ To compare some oils.
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    PCV hose with grainy sludge

    I was cleaning the inside of the pcv hose in my car with an Psa Ew10J4 engine and the brownish sludge was grainy like sand. Would that be just granulated oil oxidation or it means there's sand mixed with the sludge. Air filtration always top notch. Hard to believe it is sand, but it feels like it.
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    Base doesn't need to be synthetic to better MPG

    Fuel Economy Oils, lie Arco Graphite and Uniflo, didn't use synthetic base. Here a PopScience from may78 https://books.google.com.br/books?id=rwA...978&f=false Enjoy friction modifiers like graphite.
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    Topped with used oil and the frequent adding cease

    I was annoyed with the need to add a qt., every thousand km with 5w30 dexos 1 in my Citroen C5. Last time I got [censored] and put a qt of its previous used oil 10w40 semi with 15k kms. Doing myself engine oil changes for my car and wife's. The level on dipstick is stable as a rock now, even...
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