It’s been over 9 years since Don Groff started the unlikely job of constructing from scratch an open-wheel automobile that might be powered by a mid-mounted, 12-cylinder model of the well-known Toyota 1JZ engine. Now, lastly, the venture is approaching the ultimate stretch, and Groff has managed to dyno his child with spectacular outcomes that put his single-seater within the neighborhood of precise F1 vehicles when it comes to torque and energy output.