What’s behind Red Bull’s “hit-and-miss” issues during first test of crucial F1 upgrade?

Red Bull did not yet get a clear picture during Friday practice in Spielberg of what Max Verstappen described as a “crucial” upgrade package for the RB22.
The Dutchman finished fourth in both sessions at the Red Bull Ring, eventually ending up more than half a second behind pace-setter Kimi Antonelli.
Read Also:

Formula 1F1 Austrian GP: Antonelli completes perfect Friday by …Keep reading