Listen to this article Although he raced at Gateway’s World Wide Technology Raceway last August, ex-Formula 1 driver Grosjean is only committing to the full NTT IndyCar Series in 2022, his second year in U.S. open-wheel racing, and his first with Andretti Autosport-Honda. In yesterday’s six-car test for oval rookies, Grosjean topped the speed chart for laps run without the aid of a tow, during the course of a 152 laps of the 1.5-mile TMS. He told Motorsport.com: “It was a busy test program but we managed to get through everything. The temperature was pretty decent [80degF], we did some group running, it was a good day. “At the start of the day, we had the car on the nose, a bit too much CoP [center of pressure], but it was interesting actually, to remove the front flap and see what it does to the handling of the car. We tried various things and we now know the direction we don’t want to go! “I guess that’s a positive and now we’re just going to fine tune the setup …