Johnson: Tire temps a big challenge in “monster” IndyCar
The seven-time NASCAR Cup champion has tested at Barber Motorsports Park, Sebring and Laguna Seca, and has found that aside from trying to exploit his Chip Ganassi Racing-Honda’s aerodynamic grip, he’s also been too “gentle” on his tires on out-laps. He described an IndyCar as “a monster – that’s the best way I can put…