Severe engine miss at 3000RPM

[TMAXXjj]

Well today we got the car running right. We stole the Duraspark ignition box and accel coil off of the truck I drive everyday and the car runs awesome. I then took the Holley ignition and put it on the truck without changing any hookups or the way any wires were ran. Truck runs just like it did before. So the only thing different between the car and the truck is the car problably has 100 more hp. But if the stock type ignition can fire the plugs perfectly why can't the $300 Holley ignition system do it? I can take the Holley system of the truck and put it on the car with plug wires and distributor from the truck and the car still screws up. I'm calling Holley Monday and gonna rack some brains. My grandfather works there and all the people he asks have no clue.

PKRWUD I have those same wires on my car. Mine are routed pretty much the same way to