Originally Posted by
bottlefed93
You should throw it in neutral when you get up to speed to see if it still does it. You can then bring the rpms up to what they would be in gear to determine if it does it neutral, with a load in gear, or just coasting. That will definitely help in diagnosing the problem.
Any time the car is rolling at high speed.
speeding up in gear , coasting in neutral at high speed, I can barely get it from 4th to 5th at that speed because it is shaking / buzzing so bad.