i have a 2003 350z with vortech supercharger and custom tune from forged out of atlanta i recently pushed the car a little to hard and the motor locked up so i found a motor from a junkyard and swapped them out now i cant get the car to start it will turn over but will not run i am using my orginal wiring harness and original ecm i already checked to see if i am getting fuel and i am i tried to check for a spark and nothing i have driven myself nuts trying to figure it out and im lost ive found three ground connections passenger side are two one going from the chassis to the motor another from inner fender well to motor and driver side motor to inner fender well. im pretty postive when i replaced the clutches i aligned the dial when i installed the new one please help