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08/11/2020 7:32 pm
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I have a 2012 f250 6.2 gasser with 170,000 miles. Runs great no issues. My question is do I don't know the history of what type of oil was used, conventional, synthetic, or blended. Should I stick with the motorcraft 5w20 synthetic blend? Or go to all synthetic?
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08/11/2020 7:51 pm
If it has not been running on synthetic its whole life, go with blend at the most.
