Originally Posted by SMIGGS

Regardless if it's "fully" or "100%" synthetic, there are enough threads here to proving that Mobil 1 is a good oil.

Also in my years of being on the boards, I have yet to see a thread about an engine failing due to "cheap dino" oil either. Lack of oil, yes, but using cheap oil, nadda.

Use whatever turns your crank. (no pun intended) If you want to spend the extra coin for piece of mind, it's your money. I use Walmart brand synthetic and change every 5k with a Motorcraft filter and maintain the proper oil level.

And that's the moral of the story.