From 60 mph on up especially at 80, car gets this bad shaking. When cruising on highway its like every 3 seconds I feel it vibrate harder then calms then again 3 sec later in a pattern the whole time. Now my driver side CV boot is torn and has been for a bit and im wondering if thats the cause or do I just need a balance since I notice on 3 of my wheels there a weights missing but idk. Im taking a 3+ hr trip tom so just want to know what it could be out of those 2 so I can have a smooth ride.