AMSOIL cup 2012. For TORC 2012, AMSOIL stepped it up again and increased the purse to $40,000 for the AMSOIL Cup! TORC is the premier off-road short course truck racing series in North America. AMSOIL Cup 2012 AMSOIL CUP. Every Labor Day Weekend at Crandon International Raceway in Crandon, Wis RePin this photo.