Persistent rain postponed Monday's planned test session at Fontana's Auto Club Speedway for four Chevrolet-powered teams. The test has been rescheduled for Tuesday, when forecasts call for clear skies and temperatures in the 70s.
Andretti Autosport, Team Penske, Dragon Racing and Ed Carpenter Racing are all on hand for the test, with drivers expected to include AA's Marco Andretti, Penske's Will Power and Helio Castroneves, Dragon's Sebastien Bourdais and owner/driver Carpenter.
The test is closed to the public.