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2026. 6. 30. 작업

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Which provides better engine flushing, traditional flushing oil or adding a flush additive to old oil?

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The main difference between the two is that flushing oil is extremely thin oil that theoretically should be able to get into partially blocked, thin passages without any issues and remove the accumulated gunk there as well. Oh, and out any slightly leaking gasket, too. It's usually also got a suitable cleaning additive if you've bought a good oil. The additive doesn't really change the viscosity of the existing oil in the engine and is supposedly "just" a concentrated detergent package that you'll find in your regular motor oil (and you can hope that there is no chemical reaction between the two - there normally isn't, but there might be a chance for that). If your oil is already holding a lot of contaminant in suspension and the oil filter is reaching its filtering capacity, then you might to more harm than good. I've used both, and I still (very) occasionally use flushing oil. However, for a decent running engine that hasn't suffered from a lot of contamination, I tend to prefer the

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