The Aston Martin tweak that confirms a key part of the Mercedes F1 revolution

It has been known for a while that Mercedes technical director James Allison has been leading a push for a dramatic overhaul of the squad’s F1 challenger, after accepting that its previous approach had not worked.

Team boss Toto Wolff revealed at the end of last year that no stone was being left unturned in its quest to try to get back to the front of the grid.

“There’s almost every component that’s being changed because only by doing that,…