Hi. There is a claim in my country of a certain plant based oil used as engine oil treatment (for petroleum based oil only). Claims are: increase of power, adheres with the metal for better lubrication, improves the viscosity even the engine are due for change; no need for change oil, just refill the engine oil with the same plant based oil 4 times every year, no need for oil filter replacement, reduce smoke emission.
What are the facts that i should know about engine oil particularly on various oil additives/treatment that will enhance engine performance and longer engine life? especially on this plant based oil treatment.
Thanks.
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