Watch what happened when champion driver Juan Pablo Montoya recently visited the Milford Proving Grounds for a behind the scenes look at the GM testing facility.<br /><br /><br /><img src="http://ll.broadbandsports.com/images/38207_thumb.jpg" alt="Juan Pablo Montoya Visits The Milford Proving Grounds" title="Juan Pablo Montoya Visits The Milford Proving Grounds" width="150" height="90" alt="Juan Pablo Montoya Visits The Milford Proving Grounds"/>
