Greg Murphy explains what goes into preparing for his Bathurst 1000 return with Richie Stanaway. <iframe width="1068" height="601" src="https://www.youtube.com/embed/tDCuB_UXqSM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>