There is cold-induced contraction which had to be factored in for the tyre pressures. Maybe its colder at the rally than at M-Sport's test. Or when testing the tyres were warmer due to more short...
Team: Leo & Theo berg (My twin boys team) Driver 1 - Stroll 7m Driver 2 - Lindblad 4m Driver 3 - James Hunt 1m Engine - Mclaren-Mercedes 20m Chassis - Ferrari 16m Bonus - Japan
Milner confirmed in the interview that they had low pressure, which worked fine during tests... and now they would 'rethink'...

Sesks retired after regrouping (after SS 4)
[WRC] Rally Sweden 2026