How do people make the popular hard plastic resin molds?
Check to see if you have a broken motor mount. To do this, raise the hood, then get in the car, and with your foot on the brake and the engine running, shift from neutral to drive. If the engine tilts or raises up about an inch, you've got a bad motor mount, and replacing it should cure the vibrations.
He certainly is capable of beating the hell out of sheild.