

16:1 measured at ambient temps
That sentence was added last year very late in the development cycle – too late for Mercedes’ competition to adapt. It was not present in earlier versions of the 2026 rulebook.
See https://www.fia.com/sites/default/files/fia_2026_formula_1_technical_regulations_issue_8_-_2024-06-24.pdf if you don’t believe me.










Reiterating it is not the same as realizing it now.