The sticker under the hood of my 96 5.8 recommends 5w-30, and the filter is a fram XG2 (xtra guard) DG2 is a double guard but just get the i belive the normal on is a PG2, this is just for fram filters. I know they carry motorcraft filters at the walmart here, I would just run one of those, fram, or purolater, or K&N I would just buy a quality name brand filter.