No SC. I could go 90 I guess, but the RPM's are high for cruising. MPG goes to hell keeping an aerodynamic brick going that fast.
I now tend to drive about 70-75MPH on the highway. I can still get just under 19MPG if I go 70mph.
That and after each time I offroad the tires end up slightly out of balance with small chunks out of the tires or a wheel weight ripped off. At about 80 the truck get's the vibrations pretty good. (and I don't want to bother getting the wheels re-balanced that often) :smiley_drive: