Quote Originally Posted by Fordubishi View Post
Just step up the grade of oil next oil change. If the engine calls for 5w30 then switch up to 10w30 the oil will be a little thicker and will stick to the worn parts better.
That's what I usually do with higher mileage stuff if I don't know it's history. Hasn't let me down yet. Just find a good quality brand oil and filter that works and change it at 3000 and you won't have any issues.