https://it.motorsport.com/f1/news/f1-fe ... o/9516693/
''The Scuderia's engine showed great acceleration qualities out of the corners, enhancing the excellent traction of the F1-75, while not giving up maximum power values. Observers wonder how it is possible that the Ferrari power unit is efficient both below and above: there is not only one answer, but one of the innovative aspects concerns the intake system: inside the box there are ducts with variable geometry rather long and if you look upstream of the plenum you can see a sort of ... carbon "snake" that appeared for the first time on 066/7. These are composite pipes that are not part of the approved engine and that can be modified both in the design and in the length, to “tune” the 6-cylinder according to the characteristics of the track where the Ferrari goes to race. It should not be surprising, therefore, the readiness of the Cavallino unit which will have an adaptability to the different circuits of the world championship.
Before closing one last important note: several press outlets have indicated that the 066/7 is an engine converted to the separation of turbo from compressor, following a concept launched by Mercedes in 2014 and taken up over time first by Honda and now also by Renault. That's not true, Ferrari architecture has remained classic. Even if the choices adopted are innovative ...''