Rossi: Aero tweaks, not power boost, improve Indy 500 action

Andretti Autosport-Honda’s 2016 Indy 500 winner was one of the four drivers who tested a simulation of a hybrid system last Friday at the legendary 2.5-mile oval with the drivers running regular race boost (1.3-bar) with brief squirts of extra power (1.5-bar) to represent the expected power delivery of a KERS system discharging stored energy.
IndyCar president Jay Frye did not sound …Keep reading