I have an Expedition with 190,000 miles. I have been using Valvoline MaxLife (syn blend) 10W-40. Would it be any benefit for my to switch to full synthetic. I do have a small small oil leak. I am going to do an oil analysis on my next change. It will be my first.
1998 Ford Expedition
- Thread starter ls024
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I'd stick with what you are using.
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