VIDEO: Measuring surface grip at Texas Motor Speedway

The turns at Texas Motor Speedway have varying levels of grip to offer IndyCar drivers, and with the help of Firestone's Dan Bishop and a device they call "Mr. T," RACER's Marshall Pruett learns about how the low lane and the darker high lane pose different challenges to the drivers.

Topics

hms motorsport

texas motor speedway

Videos

IndyCar

Marshall Pruett

The 2026 season marks Marshall Pruett's 40th year working in the sport. In his role today for RACER, Pruett covers open-wheel and sports car racing as a writer, reporter, photographer, and filmmaker. In his previous career, he served as a mechanic, engineer, and team manager in a variety of series, including IndyCar, IMSA, and World Challenge.

Read Marshall Pruett's articles