Synthetic oil
3 Answers
Yes, but it's not a good idea, the vehicles I know of that did switch back and forth seemed to end up with leaking seals and gaskets. I don't do oil changes so maybe someone else on this site have more info.
Yes you can go back and forth it is a myth to help boost sales on synthetic oil
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Stick with one. I would use synthetic. If you are a cheapskate use the blend.
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