Ford recommends a 5W20 for this engine, but that seems a little thin for a turbo. Anyone have any experience, or see any downside to using M1 0W30 in the car? I have three five-quart jugs hanging around, which is why I ask.
I honestly dont think it would matter at all, However I dont think it will have any advantage over 5w20 unless you are going to take it to the race track.
To keep your warranty intact, stick with the 5w/20 Ford recommends. This engine was designed with 5w/20 in mind. The 2.0 EcoBoost specs 5w/30 as that is the oil for which it was designed.