BJR team boss Brad Jones explains what teams can change to fine tune the set up of their cars. <iframe style="border: none; overflow: hidden;" src="https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fbjrsupercars%2Fvideos%2F984008365292795%2F&show_text=0&width=560" width="560" height="315" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen"></iframe>