Motorcraft FL-1 and Valvoline is what I have used for years too. I didn't realize even the Fram air filters were junk too, until the CEL come on in the Expedition. dealer traced it to the new Fram air filter I had just put in-the end came off the filter.

Quote Originally Posted by FalconGTHO View Post
Motorcraft FL1-A and if you can afford it, WANT to afford it, Castrol Syntec full syn oil. If not, Valvoline dino oil. Weight? Given the heat out here I use (when I drove it) 20W-50 in my 72 Torino. In the coldest of winter you can switch to 10W-40. I never bothered to in the Torino.