Cars running Chevrolet power in the 2015 Verizon IndyCar Series will look significantly different compared to last season as the engine specific aero kits come into effect.
With Honda’s efforts still to be unveiled, Chevrolet took advantage of the series media day to unveil the aerodynamic upgrades the American motor giant has garnished the base Dallara DW12 with.
At the moment this kit is only for road courses and short ovals, with the speedway aero kit to be revealed before the Indy Month of May begins.
Officials are hoping that the new kits will provide drivers with more downforce, Chris Berube – the Chevrolet IndyCar programme manager – said it is hoped cornering speeds can be higher while not impacting on straight-line performance.
“This is an important milestone in Chevrolet’s involvement in IndyCar racing,” said Jim Campbell, General Motors U.S. vice president of Performance Vehicles and Motorsports. “We focused on developing an aerodynamic package that delivers an balanced combination of downforce and drag, along with integrated engine performance. It’s a total performance package.”
Most of the parts were 3D printed on the test kits with everything designed electronically before it went out to the teams who tested at tracks as varied as COTA, Texas Motor Speedway, Homestead-Miami Speedway and the Phoenix International Raceway.
It is hoped that the clean sheet approach the team used will mean the upgrades aren’t just an escalation on the old Dallara package but a complete evolution for the Chevy powered teams.
While the most obvious changes are external, a new front wing is ‘decorated’ with raised pedestals and the rear wing has been resculpted, there has been an internal change as well to accommodate compact side pods. Namely, that is the moving of the turbo chargers and exhaust system within the engine to make it more streamlined.
The first chance anyone will get to see the new kit run in anger is at St Petersburg at the end of March for the season opening race.