Can you change from mineral oil to synthetic oil?

Answer:
Yes. The only downside to running synthetics is a potential for old engine seals starting to leak due to varnish build-up being removed by the synthetic oil additives. Other than that, you can swap to synthetic oil without any problems with the engine.
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First answer by ID1150797152. Last edit by ID1150797152. Question popularity: 2 [recommend question].