Why do people go for the EB?
#16
The turbos are water cooled so they continue to cool down after engine shutdown due to thermosyphoning. Unless you're honestly towing 12k up a mountain to your home at the ridge line you really don't have to concern yourself with idle. Just watch your temp gauge, if it stays at the same temp as idle then you aren't gaining anything by letting idle because it's not going to get any cooler.
I just sold a base 3.5 crew over the weekend and the folks loved it. They had zero truck needs other than size/safety/comfort. If I were buying one I'd get the 3.5 (though see my sig, I have a F550 for heavy stuff). If I was towing often I'd get the 3.5 EB. The 2.7 EB will save you money in fuel over the ownership period, and the 5.0 is great for folks who maybe tow a car or trailer every few months. If you only have one truck, you might as well get the 3.5 EB, unless you know you'll never need it, then get the 3.5 NA or 2.7 EB. I love muscle cars, but I find it hard to justify the 5.0 other than sound and gov flex fuel reqs.
I just sold a base 3.5 crew over the weekend and the folks loved it. They had zero truck needs other than size/safety/comfort. If I were buying one I'd get the 3.5 (though see my sig, I have a F550 for heavy stuff). If I was towing often I'd get the 3.5 EB. The 2.7 EB will save you money in fuel over the ownership period, and the 5.0 is great for folks who maybe tow a car or trailer every few months. If you only have one truck, you might as well get the 3.5 EB, unless you know you'll never need it, then get the 3.5 NA or 2.7 EB. I love muscle cars, but I find it hard to justify the 5.0 other than sound and gov flex fuel reqs.
#17
But, not everyone is running fully synthetic oil. In fact, when I asked the dealership what was recommended they said synthetic blend. That means some portion of the oil is still subject to coking at the high temps turbos see. And, since a "synthetic blend" oil doesn't have to specify what percentage is synthetic, some have very little. I'll run fully synthetic to ensure I don't have that problem.
#18
I wouldn't worry about that.
Modern dino oils conforming to API SN are far better than the oils of yore. SN was introduced in 2011, and required oils to meet a higher standard for high temperature stability. The standard they use is ASTM D7097 which tests for piston deposits at 285* C. That's 545 degrees Fahrenheit, and far beyond the boiling temperature of properly mixed coolant that's also running through the turbos.
Fleets and most owners use conventional oil, and turbo failures are far from common. I use full synthetic because it makes me feel better about longer OCIs, not that my engine cares.
Modern dino oils conforming to API SN are far better than the oils of yore. SN was introduced in 2011, and required oils to meet a higher standard for high temperature stability. The standard they use is ASTM D7097 which tests for piston deposits at 285* C. That's 545 degrees Fahrenheit, and far beyond the boiling temperature of properly mixed coolant that's also running through the turbos.
Fleets and most owners use conventional oil, and turbo failures are far from common. I use full synthetic because it makes me feel better about longer OCIs, not that my engine cares.
#19
I wouldn't worry about that.
Modern dino oils conforming to API SN are far better than the oils of yore. SN was introduced in 2011, and required oils to meet a higher standard for high temperature stability. The standard they use is ASTM D7097 which tests for piston deposits at 285* C. That's 545 degrees Fahrenheit, and far beyond the boiling temperature of properly mixed coolant that's also running through the turbos.
Fleets and most owners use conventional oil, and turbo failures are far from common. I use full synthetic because it makes me feel better about longer OCIs, not that my engine cares.
Modern dino oils conforming to API SN are far better than the oils of yore. SN was introduced in 2011, and required oils to meet a higher standard for high temperature stability. The standard they use is ASTM D7097 which tests for piston deposits at 285* C. That's 545 degrees Fahrenheit, and far beyond the boiling temperature of properly mixed coolant that's also running through the turbos.
Fleets and most owners use conventional oil, and turbo failures are far from common. I use full synthetic because it makes me feel better about longer OCIs, not that my engine cares.
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