My father in-law did it about 3 years ago. He loved the drive but reckons "check ahead for servo open hours"!! They got caught short a bit and thought they would just pull into the Rabbit Flat roadhouse. When they got there it was closed and not due to open for 2 more days. They persisted on and managed to find some in a certain something and the 20lt they "borrowed" got them to the next servo!! So, check ahead if you don't have the fuel capacity or just take extra. Have a good trip mate..