Push-to-Pass Horsepower Increasing for 2016 INDIANAPOLIS (Dec. 15, 2015) – Verizon IndyCar Series drivers will have more horsepower at their disposal when activating the push-to-pass overtake assist at road- and street-course races in the 2016 season. INDYCAR announced that turbocharger boost pressure during push-to-pass use will increase from 160 kilopascals (kPa) in 2015 to 165…