THE EXORCIST Camaro ZL1, upgraded to 1000 HP by Hennessey Performance, chassis dyno pull is an intense and action-packed display of power and performance. In the above video, THE EXORCIST undergoes rigorous chassis dyno pulls, where its horsepower and torque output are measured and recorded. The upgraded Camaro ZL1 produces an incredible 1000+ horsepower and 966 lb-ft of torque, making it one of the most powerful Camaros ever built.