It's kind of interesting how yours, Ryan's and my vibration all start at about mid 70's mph. And like yours and Ryan's, it's not terrible it's just noticeable and it bothers me. According to every video I have watched, it has been set up dead nuts on, but I cannot get my motor below a 3.5 angle without major work. I noticed my tail shaft has slight sleeping as well, I think that's going to be my next step.