Freedom: Yes they do just run better and better....two weekends ago...I-81...Southwest Va.....Wife and I making 1 1/2 Interstate run (hate interstate) to meet up with some buds from WV for trip to NC....cruising along 75-80.....no worries....gave it the throttle a couple of time to pass some big rigs.....not problem

....just keeps on humming....does great in the mountains also.....
George in Virginia...