Lol. It's a size thing. But once you start thinking the safety factor? It goes away. This thing scares me. I'm anticipating some serious chassis and traction issues. The motor is all aluminum. Thus weighing in about 770lbs. Simular to weight of a steel hemi. And sitting right where the 800 hp hemi sat so many years ago. So it may take it. The Dana has 4.88:1 gears. Way too steep for this size motor. Red line of the 904 is 6500. (6" stroke. 4.9" bore ) So 3.54:1 is needed. This should knock down some of the lower end torque. Which is stupid high. 1150 ft /lbs at 3000 rpm on flywheel.