Greg Murphy debuts Holden V6 Twin-turbo engine at Mt Panorama ahead of the Bathurst 1000

Four-time Bathurst champion Greg Murphy takes to the Mt Panorama circuit ahead of the 2017 Bathurst 1000 to debut the new Holden V6 Twin-turbo Supercars engine in the Triple Eight Project Sandman. For more from the world of Red Bull Holden Racing Team head to . Join the conversation #redbullholden.