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after reading all of the post on "drews brew", can anyone tell me if it is safe to use in the 07 6.7 ? If it can be used.... what be a good mix ? (remember 52 gallon tank)
thanks.
I'm not sure if you'll see any advantage of running them though. Those engines were specifically designed to use usld. As long as they are ashless and don't produce more soot, I don't think there would be a problem.
6.7 question?
