A TB-02 can be competetive in GT 1 in the right hands.
Kevin M. won GT 1 at last years Burien TCS, also the Vancuver Can. GT1 with his TB-02.
At the Tamiya Nats. running in GT2 with a silver can motor, really a GT3,He turned one or more lap times that would have put him in the GT1 A main!!!
But then again, thats the driver!
I did beat him in GT3 at Burien a few times this year, probably let me beat him
My son did spank him last Sun in GT3
Fred