i don't know the 6.0 as well as the older diesels, but you would be wise to top off with #2 every time you get a chance, so you dillute the #1 with the #2.
i know the older diesels really didn't care what you ran through them, but the newer ones aren't quite so open-minded
my van, 87 e350, 6.9 NA, c6, 3.55s with a powertrax locker. built out with toolboxes and onboard 120v power and compressed air powered by twin 3g alternators
"suzie" 83 F250 ld 4x4, 4.9, NP435, 3.55s. custom flatbed. 0-60 in over a mile on a downhill.
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