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I just make sure the O-ring is seated properly and that's about it.
Just because, I emptied the high-mileage oil and swithed over to Castrol Syntec Blend. When the weather is warm, it performs equally with the Syntec synthetic. When it's cold, it acts like Dino oil. It was only $4.48 and is "formulated to protect against constant stop-n-go driving" and contains the same additives as the full synthetic. Performance is pretty good and this is a cheaper oil. Again, we'll see how it holds up.
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