Lot of guys here swear on this oil brand.... Motorcraft 5w20 Synthentic Blend
I've been using it for years now, and I sleep better knowing it's a decent oil and all Ford dealer shops use it for our trucks.
Walmart.com: Motorcraft Synthetic Blend Motor Oil, 5W20, 1qt: Automotive
This is the filter to use on our trucks:
Walmart.com: MotorCraft Oil Filter FL820S: Automotive
I change it every 5000 miles. I just changed mine last week.