Always use a quality filter ($$).
Change your oil at 800 miles.
Change again at 3000 miles.
Replace fossil oil with a synthetic blend at 6000 miles.
Again at 9000 miles.
Use pure synthetic at 12000 miles.
At 15,000, use pure synthetic again.
Change every 10,000 miles thereafter.
If you hypermile, your engine will outlive you.
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