The Hinwil team had a new front wing in Australia and a revised beam wing in Miami, but Bottas says that more is needed in order to move the C43 further up the grid.
The Finn has highlighted race pace as a weakness, with the former Mercedes driver having finished 13th in the Miami event despite making Q3.
“For some reason on a single lap on the soft tyre, we were strong, but then in the long …Keep reading