2005 United States Grand Prix 2005 United States Grand Prix The 2005 United States Grand Prix was one of the most controversial Formula One motor races in modern history. It was held on June 19, 2005 at the Indianapolis Motor Speedway and was the ninth race of the 2005 FIA Formula One World Championship. Out of the 20 cars that entered the race, only the six cars from the teams using Bridgestone tyres (Ferrari, Jordan and Minardi) competed. The remaining fourteen entrants, all using Michelin tyres, completed the parade lap, but retired to the pits before the race started. Following several tyre failures before the
A1 Grand Prix car below 40%. Each driver only has a limited number of uses of the PowerBoost function. The driver can only use it four times in a sprint race and eight times in a feature race. Once these maximum allocated uses of the PowerBoost have been used, the system is disabled until the end of the race, after which Zytek engineers reset the system for the next race. A1 Grand Prix uses slick tyres on normal dry races. Pneumatics were supplied exclusively by Cooper Tires. A1 Grand Prix uses 100 RON Biofuel for all cars. On July 22, 2008, new information regarding