How a 15mm difference triggered McLaren’s F1 2023 woes

Last summer the teams and the FIA agreed to a rise of 15mm in floor edge height as part of an attempt to address porpoising.

Having tried the new spec in the wind tunnel, McLaren decided that it would be difficult to recover performance with the 2023 car given the package it was running.

Thus, in September, the team decided to take a different route. One that offered much more potential.

However, the call was made too late to ready the full new package for Bahrain….