Well, gave my 364.5 the best test that it’s had so far. I towed my 10-11k cargo trailer from Columbus, GA to Metropolis, IL today. When I went up Monteagle, which is about a 5.5 mile 6% grade, I maintained 75 mph in overdrive and never went over 1150*. Pulled between 28-32 psi most all the way...