Just how long will synthetic oil last between changes?
If you're trying to figure out how long will synthetic oil last between changes, you've likely realized that the old-school advice of "every 3,000 miles" doesn't really apply anymore. Back in the day, when conventional oil was the only game in town, you couldn't push your car much further than a few months without the engine getting all gunky. But things have changed. Modern engines are built with tighter tolerances, and synthetic oil is a whole different beast compared to the stuff our parents used to pour into their station wagons. ...