Changed the FF at 1,000 miles and so this only has 4,000 miles on it. I plan to do 5K OCIs. This is Mobil 1 FS 0W-40 but it has Mobil 1 EP 5W30 in it now. I figure the FS 0W40 seems to be on the low side of a 0W40 and usually ends up a 5W30 anyway so I gave it a try. This oil was cold when I did the oil change.