Recent content by DrJetRanger

I've been searching for a definitive answer to this question for a while. I bought my first diesel-powered truck (2016 Ram 2500, 6.7L Cummins Turbodiesel) last year with 32K miles on it. I maintain helicopters on the Gulf Coast for a living, so I have access to nearly limitless Jet-A (or JP-4, I...