interesting2018-2020 EcoBoosts are flawed by design. Several have had incorrect castings/ casting debris in oil galleys causing oil flow issues to the heads and the phasers have a defective plastic locking pin that breaks due to oil starvation at startup when it’s being pounded on until oil pressure comes up. This also doesn’t account for the low oil pressure issues at hot idle with the “variable” oil pump, just gasoline on a fire. Saying change the oil more to avoid these issues is like saying a 5.4 3V will be ok if you change the oil. It won’t. It’s still dealing with oil supply and weak parts issues. It’s still going to break. Keep a phaser fund, even if you change the oil every 10 miles.