Zak Brown has called for the FIA to investigate Red Bull's in-car system which can adjust the front bib clearance, a device the McLaren CEO deems as being "highly illegal".
Ahead of this weekend's United States Grand Prix, it was reported that one team was under scrutiny for having a device which could alter a car's ride height between qualifying and the race.
READ MORE: McLaren demands in-depth investigation into Red Bull trick
Red Bull give guided tour to FIA of how trick device works
The FIA was afforded a thorough inspection by Red Bull as to how its much-discussed ride-height device works.
In full view of the Sky Sports F1 cameras following the sole practice session for the United States Grand Prix at the Circuit of the Americas in Austin, two FIA scrutineers were given a guided tour by Ole Schack, Max Verstappen's front-end mechanic.
READ MORE: Red Bull give guided tour to FIA of how trick device works
Verstappen: 'It's been a while' as woeful six-month run finally ends
Max Verstappen could afford a smile and a quip that "it's been a while' after landing his first pole position in any format in F1 for the first time in six months.
Verstappen will lead away the field in the sprint for the United States Grand Prix weekend after setting the fastest time around the Circuit of the Americas with a lap of 1:32.833s, beating Mercedes' George Russell by 0.012s.
READ MORE: Verstappen: 'It's been a while' as woeful six-month run finally ends
Norris misery after 'shocking' start to USGP weekend
Lando Norris was left frustrated after a "shocking" final lap in sprint qualifying at the Circuit of the Americas put him fourth on the sprint grid.
Norris is at risk of seeing Max Verstappen increase his lead in the F1 drivers' title, as the Dutchman will start from pole position for the sprint ahead of the United States Grand Prix.
READ MORE: Norris misery after 'shocking' start to USGP weekend
Brown rips into Marko over Norris 'rituals' jibe
McLaren CEO Zak Brown has ripped into Helmut Marko following the Red Bull advisor's ill-thought-out remarks on Lando Norris.
Marko made fun of Norris upon learning the British driver "has to observe certain rituals" ahead of a grand prix "in order to be able to perform at all".
Marko raises 'attention' theory over Red Bull trick scrutiny
Helmut Marko has raised a theory that F1 teams have scrutinised Red Bull's trick device to "divert attention from other problems".
Red Bull has come under fire ahead of this weekend's United States Grand Prix from Austin, Texas for accepting it has a device which can alter the ride height of the RB20 between qualifying and the race.
READ MORE: Marko raises 'attention' theory over Red Bull trick scrutiny
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