IndyCar ups turbo boost level for Indy to compensate for poor design Due to its poor design by Dallara, the new IndyCar is too slow around the Indianapolis Motor Speedway, it's crown jewel race. So IndyCar announced Thursday that turbocharger boost levels will be increased for "Fast Friday" and the two days of qualifications for the Indianapolis 500.
The standard boost level of 130 kPa (kilopascals) for superspeedways will be upped to 140 kPa for the May 18 practice session, Pole Day on May 19 and Bump Day on May 20. The increase will result in the addition of 40-50 horsepower.
The boost level will be 130 kPa for all other practice days and the race on May 27.
IndyCar set boost levels for the Borg-Warner single and twin turbochargers utilized by Chevrolet, Honda and Lotus before the season based on testing. It also will be 130 kPa for the superspeedways of Auto Club Speedway (Fontana, Calif.) and Texas Motor Speedway. The boost level for the short ovals of the Milwaukee Mile and Iowa Speedway is 140 kPa, while it's 155 kPa for road and street circuits
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