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Thread: Can you change the oil too frequently?

  1. #1
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    Default [Dr. Lee] Can you change the oil too frequently?

    I ran across this post on another forum. Sounds like bunk, to me. Anyone else have an opinion?

    (I think the poster's primary language is not English.)

    As for too frequent oil change, it is doing harm to the engine.
    Modern oil (as of last 40 years) do have big dose of detergents and chemicals design to wash the residues and counteract engine chemistry.
    The additive pack is wearable and is design for certain mileage, when initial overdose will wear to perfect balance, than to too low balance and at some point the oil should be changed.
    When you change the oil before the pack wears to perfect balance, you are treating your engine to constant overdose of detergents and anti-acids.
    For comparison, the same diesel engines who in cars and SUV are for initial 10k miles oil changes, in Sprinters have 20K oil changes.
    That is due to much bigger oil pan, so the chem pack last in them much longer. Oil base itself is not wearable.
    Last edited by JohnC; 01-10-2022 at 10:34.
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  2. #2
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    Default

    Bunk. I've heard it before, and it's never been proved that I've found. I think it's backwards, actually. The base oil IS "wearable". Oil and additive packages break down over time and use. Heat, contamination, pressure, and shear, are the causes. It's no secret. Too frequent changes requires more product and disposal, but the only damage is to your wallet and, perhaps, the environment.
    1985 Blazer 6.2
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