I'm betting that that the rule change will be canned.
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Formula 1 teams will be informed on Saturday morning about whether the FIA intends to take any further action over the off-throttle blown diffuser issue, after controversy erupted on the eve of the British Grand Prix.
Red Bull Racing team principal Christian Horner and McLaren boss Martin Whitmarsh clashed in public at an official FIA press conference at Silverstone over concessions that have been given to engine manufacturers to ensure their reliability is not hit by the ban on the off-throttle use of blown diffusers that is coming into force this weekend.
Whitmarsh was unhappy that a technical directive issued by the FIA on Friday morning left the way open for the Renault-powered teams - which include Red Bull Racing to use 50 per cent of throttle blowing while the drivers were braking.
Horner responded that the decision, given to Renault on reliability grounds and relating to exhaust valves, was only fair because the Mercedes-Benz outfits were allowed to use engine over-run under braking to help with crank case pressure.
The situation rumbled on over Friday evening and FIA race director Charlie Whiting met with engine representatives for a lengthy meeting to discuss their concerns and try to find a solution that was fair for everybody and prevent a situation where other engine makers try and find grounds to justify a similar 50 per cent limit.
AUTOSPORT understands that Whiting will decide overnight if further action needs to be taken, and the teams will be informed before the start of final free practice about the FIA's view on the matter.
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