Listen to this article Valtteri Bottas has shone after his switch to Mercedes and it was not lost on fans how the Finn was able to put pressure on his old team at last weekend’s Emilia Romagna Grand Prix. The Finn’s charge was helped by a fairly significant upgrade at Alfa Romeo’s disposal for Imola, with a notable change in its sidepod philosophy evident as a result. The changes on the C42 start at the front of the floor though, with the leading edge distribution of the floor and the strakes altered to improve not only how the airflow migrates under the car but also how it travels around the upper surface and around the sidepod. Comparing the new sidepod solution with the old one, it’s obvious that the bodywork is now drawn down to meet with the floor, which will clearly have an impact on how the airflow not only travels around but also over the sidepod. Read Also: Alfa Romeo C42 floor tunnel deta …