Posts: 202
Location: Angola, IN | crix,
To answer your question, Mobil 1 (Exxon) makes their own base stock called Visom, which is a highly refined Group III+.
Your Ecoboost turbo's are both oil and water cooled, so they aren't as hard on oil as other turbo's can be. Your truck specs for a 30 weight. Since you live in MN, I'd run Mobil 1 0w30. It will give you the 30 weight you need/require once up to temp, but its very thin when cold (compared to a 5w30 or a 10w30) so it gives you better start up oil flow (important).
Mobil's best oil is their Mobil 1 0w40. You can get it at any Walmart as well. $25 for 5.1 quarts. It's the factory fill for many exotic sport cars (domestic and foreign). It has multiple turbo-specific certifications that are hard to meet. It's really a thicker 30 weight oil than a 40 weight as well. You can run this oil in your truck without any problems. If it were my truck, this is the oil I'd run.
From all the UOA's (used oil analysis reports) I've seen, it appears that 5k mile oil change intervals return great reports. Some go to 7k miles, but around 7k and beyond, there tends to be spike in wear metals found in the oil. Not good. Stick with 5-6k miles between oil changes.
Another great oil to use in your truck is called "German Castrol". It's Castrol Edge 0w30 (black bottle). It's made in Germany and Germany is the only country that requires "synthetic" oil really be synthetic (Group IV and Group V). This oil is made for all kinds of cars, and is thoroughly tested in the US and Europe as be a VERY stout oil that can provide great protection for high performance and turbo/SC engines. It's a little harder to find though. Sometimes Autozone and Advanced Auto parts type stores carry it...but it's also more expensive than Mobil 1 0w30 or M1 0w40 found at EVERY Walmart.
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