![]() In the world we live in now, CK4 15w40 - the only engine oil I'd recommend for a Ford, is Motorcraft, Kendall Super D-XA, or P66 Guardol ECT. And for FA4 (nothing to do with this conversation) - 10w30 and 5w30. Which is why the OEM's have stuck with 15w40 and 10w30 for CK4, depending on application. There's no reason for it, in an every day diesel application. (With exception of full synthetic 15w40's such as redline.)Īdd in the higher cost of a 5w40, as well as the problematic shearing factors of having such a viscosity range. Yes, it has a better cold flow point then even good 15w40's. The only problem it solves is if you're in extreme arctic conditions, where you're going to see into the negative F a significant number of days of the year. If that's not ease let me know what is the best.As I previously mentioned, 5w40 is a solution looking for a problem. Just about every diesel forum I search is full of guys saying that any fully synthetic diesel oil (usually 5w-50) is what's "best". I'll leave it at that.I'm actually getting ready for an oil change.what oil do you suggest. If that's not ease let me know what is the best. That's why guys are saying that an oil additive helped with the fuel injector issues they were having.And if you use a good engine oil, you really don't have issues.īut most people on this forum think Rotella is a good oil. The stiction issues isn't just with the 's with the oil that runs them. You know that the 6.0 injectors are hydraulically actuated.right? By the same oil that lubricates the motor. There's a reason why it's super unpopular. BUT.as far as fuel additives go, not being EPA certified makes me want to buy some even moreĪnd 5w40 is a solution looking for a problem. I'm asking about their oil additive.not their fuel additives. That's why guys are saying that an oil additive helped with the fuel injector issues they were having. There's several ways to combat those, including with a better fuel additive designed for today's fuels.Īnd 5w40 is a solution looking for a problem. ![]() Outside of mechanical failure, sticky injectors are caused by salt build ups and varnish build ups. There's several injector cleaner that would fix the sticky injector issue. Thus, it's complete bullshit in my opinion. I know the same company that makes mine, also make's GumOut's.Īlso the Hot Shots stuff is not EPA registered as a fuel additive. Same blender makes the majority of cold flow improver's for the US. I'm a big fan of "If it works, run it".Any oil systems cleaner. Recommendations for additives besides Archoil to prevent it? The sticky injector happens on the oil side not the fuel side. Thus why they don't work on a huge segment of fuel, nor do they do anything to combat salt build up or water build ups.Īnd 5w40 is a solution looking for a problem. ![]() Power services fuel additives are still pre ULSD design. The 6.0 was designed for pre-ULSD fuel and retrofitted after the fact. There's several ways to combat those, including with a better fuel additive designed for today's fuels. ![]() ![]() It does what it said it would do.There's several injector cleaner that would fix the sticky injector issue. No longer than 5000 miles on the change interval.Lol x2.I had a sitcky injector, starting using it, no longer have sticky injector. Put a bottle in with every oil change, and use full synthetic 5w40 oil. You want Archoil for the powerstroke, it was specifically designed to prevent stiction from occuring. ![]()
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