Quote:
Originally Posted by DogLovers
Spend the extra few bucks and go with full synthetic oil. No matter what anybody says. Number of months won’t matter, annual oil changes are unnecessary. You can run full synthetic from 10,000 to 15,000 miles without issue ever. Everything else is just boulderdash designed to get more money out of you.  |
Ford recommends synthetic engine oil in the owners manual, at least for the 7.3L V8 which this thread is about. The oil must meet the newer WSS-M2C946-B1 specification (not older -A1)
What do you suggest I tell Ford when I ignore the dash oil change reminder running 15k miles between changes?
For some of us, 15k miles could take 2-3 years. Well past the annual required oil change requirement by Ford.
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