These competitors ran Yokohama Advan tires faithfully for decades. One Canadian stepped in with Hoosier tires and caused a seismic shift in performance.
This past 2019 Attack Tsukuba event was incredibly popular, and witnessed everything from plummeting lap records to new overseas competitors.
William Au-Yeung of PZTuning in Ontario, Canada traveled to Japan and set a blazing lap which topped the tables of Tsukuba’s FF greats. How did he do it?