19. With all the wiring complete it was time to turn the key and power up the system. Everything turned on like it should and the fuel pump primed itself. We found no leaks in the fuel system, so we input the initial parameters via the hand-held tuner. We input things like engine displacement, number of cylinders, fuel return, idle rpm target, rev limit, and lastly camshaft selection. Once we had those complete, we hit the key to start the 502. After just a few revolutions the motor fired up.