We run 4 race cars in Improved production here in Australia. I own aToyota Corolla KE25 with a blacktop 20V, my older brother runs a Toyota Corolla KE20 with a silver top 20V, my nephews and older brothers sons race a Toyota Corolla KE30 and a KE55. The nephews cars run 2 litre turbocharged engines approx 380hp and 450nm of torque .