Johnson: Tyre temperature 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 tyres on out-laps.
He described an IndyCar as “a monster”, and has added Formula 3 outings to his programme to help build up his single-seater …Keep reading