I have an F-350 diesel (7.3 power stroke) that I don’t use much since I retired. Probably put 1000 miles a year on it. Is it ok if the oil is a couple years old?

  • fangelo2OPB
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    10 months ago

    Thanks for the advice. I’ve been changing the oil once a year, but I was wondering if it was a waste. Especially since it takes 12 quarts. I’ll continue changing it once a year