If your driving habits stay about the same, the interval and percentages should be the same as well regardless of the oil type. The Ford intelligent oil life monitor takes in to account Idling time, cold starts, engine and vehicle speeds etc but in no way has any idea what the chemistry of the oil is like.Ok miles per oil load is changing on my BS Base.
At 1,000 miles I was at 90% that means a 10k mile interval.
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Now at 2,000 miles I'm at 75% so that means a 8,000 miles interval.
My engine is broken in better now and I'm driving it like I want.
This cannot be just a mileage counter.
I'll be switching the oil load to Motorcraft Full synthetic at 5,000 just because I want to.
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Once on full syn and the oli life monitor is reset it will be interesting to see how many miles I'll have on the full synthetic when I'm at 90 and 75 percent oil life..
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