Just curious. Given it's Amsoil bringing it up, it's already fishy
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Nope. I'm sorry but I take issue with most things AMSOIL related. I've just seen too many issues here and elsewhere.
That said, I've not experienced anything with mine and just had the first oil change and service done at 3K. I'm always on a 3K maintenance program with my gas vehicles and this one is no exception. I may just go ahead and get a Blackstone kit though out of curiosity.
Some fuel dilution does occur on the eco. It is one of the reasons it is specified for 5W-30 instead of 5W-20. When I did an OCA at 10k miles the viscosity had lowered to that of a 5W-20.
Yup. All direct injected engines with forced indution have some fuel dilution, just like a diesel. It's the nature of the beast. As long as this is accounted for in the design of the engine and how the service intervals are spec'ed out, it's not an issue.
The other problem that arises from direct injection is that fuel no longer washes over the valves, which can allow for heavy carbon and oil (from the PCV/EGR) buildup on the valves. I haven't heard much of this on the Ford front, but it was/is a major issue with Audi/VW/Mercedes/Porsche and a few others.
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