Champ Car's new 'boost' buttons
The Champ Car World Series is to implement 'push-to-pass' turbocharger 'boost' buttons on its 'spec' Ford-Cosworth XFE engines in 2004, to promote overtaking. The device will allow drivers to increase their 'boost' pressure from 41.5 to 44in of mercury, increasing power output by 50bhp, for a total of 60 seconds per race
This period of time is estimated to be the equivalent of five applications on an average main straight. Champ Car's TV production crew will monitor useage and indicate to viewers how much each driver has remaining in his or her 'boost' reserve.
The normal 41.5in 'boost' level is controlled by engine sensors that measure the pressure before it reaches the pop-off valve. The maximum 44in will be regulated by the pop-off valve itself. These valves are maintained by Champ Car and distributed at random to teams at trackside during race weekends.
"We wanted to put give our drivers more of an opportunity to make passes and compete for position, and we think this will play a key role in that," said Champ Car technical director Lee Dykstra. "Champ Car director of electronics Kevin Vander Laan and others in our organisation have worked very hard to develop this new application and we expect it to make for more exciting racing."
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