McLaren, Ferrari and Mercedes have formed a secret pact to try and catch pace-setters red Bull, according to reports in Germany's Bild-Zeitung newspaper.
The unconfirmed reports suggest the trio have agreed to exchange data on Red Bull, in a bid to overhaul its superiority.
Ross Brawn told Bild: "In some areas Red Bull have gone in different directions. Our people are looking at it closely."
Ferrari's Stefano Domenicali added: "This is a reference for us. We are not overstating it but we have to look more carefully at it and understand."
However, there looks to be little prospect of a respite for Red Bull's rivals; reports suggest the team is developing its own F-duct system to improve its cars' straightline speed in time for the Turkish Grand Prix later this month.
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Re: 'Secret pact' to topple Red Bull
Flav!
No one else could come up with this.
Oh, I'm forgetting Mosely
Re: 'Secret pact' to topple Red Bull
One more coalition can't hurt, can it?, the last thing this sport needs is damaging clap trap like this, whoever started this story should be found, and if he/she is within the sport they should be banned for life from the sport of motor racing!.
Re: 'Secret pact' to topple Red Bull
Whatever the truth , it certainly isn't a secret any more.