Irking their rivals as Ferrari ran different floor specifications during a Pirelli tyre test, Christian Horner says teams cannot use those outings to develop their cars. Earlier this month, Ferrari took part in a Pirelli test at the Imola circuit, a test intended solely to help the tyre manufacturer develop their 2023 tyres. Eagle eyes noticed the Ferrari F1-75 in action ran two different floors, one in the morning session and one in the afternoon. F1's tyre test rules state 'cars at these tests must only use components of a specification that have been used in at least one race or TCC [testing of current cars] during the current championship year.' It adds that 'no test parts, component...
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