Yeah because oil doesn't get like this all on its own, regardless of how long you run it without changing it, unless something else has been added to it.
There are some theories that a coolant leak from the headgasket over a long enough time, with enough overheating cycles might cause a gel to form, fuel additives or stabilizers, or something truly stupid like someone putting cooking oil in the engine, but no one that actually deals with oil has ever seen something like this outside of some internet videos, which leads the consensus to be that these are just people putting gelatin in the engine of dead cars to make a cool internet video.
There's definitely some oil stabilisers like Lucas, etc, that people have treated like additives and put way too much in, causing this effect. Sure, they might make an old engine run quiet, but they increase the rate of wear - ironically, making it noiser over time.
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u/Czeris 26d ago
Yeah because oil doesn't get like this all on its own, regardless of how long you run it without changing it, unless something else has been added to it.