One-lane Texas ’not ideal’ with ice-like surface – Rahal

The grip additive known as PJ1 has been applied to the Texas Motor Speedway for its NASCAR Cup races, with the intent of allowing cars to take different lines around the oval course thanks to the improved traction higher up the banking.
Given it has been designed to work with the NASCAR tyres supplied by Goodyear, the PJ1 surface did not yield the same effect for the Firestone tyres used in …Keep reading