Porsche 993 3.5L Bi-Turbo Bergmonster in action at Cividale-Castelmonte hillclimb! Drag & Track by turboandstance - January 13, 2018 This video is about Rupert Schwaiger' Porsche 993 hillclimb monster. The car features a 993 GT2 Evo body kit and it's powered by a 3.5-liter twin-turbo flat-6 engine which is able to produce around 700hp and 920Nm of max torque. Watch it in action at the 2017 Cividale - Castelmonte