bad vibration in timing area

[orllyk]

1995 eagle talon 420a new head and timing set up done only mod is a msd coil pack have bad vibration boud 3 grand and goes away also sparking behind crank pully

 

[Benzino]

My input would be to pull the timing cover and check the belts and pulleys for wear and play. As far as the sparking behind the crank pulley sounds like the crank sensor is grinding. With the timing cover off that would be the ideal time to check it.