5000 miles is pretty safe interval. You should do oil analysis because those guys at Blackstone lab will actually guide you through your oil changes (at least in the beginning). Here are few lines from an old oil report (2nd change):
Quote:
........ Your oil sampling technique was perfect. This oil has a slightly stronger additive package compared to the first one you tested, and after a 5,143 mile oil run, you can see that wear improved ............ Try ~6,000 miles and check back to monitor iron, from steel parts.
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Good luck man!