mechanical problem

Dear readers I have a problem with my car is a Hyundai Model 87 the problem start when two cables of the distributor hit causing the car anymore to turn to the transistor of the module and try to start it later I change the coil and I started how bad it after that I take it 10 minutes to be underway. Heat the coil and then the car goes out what I can do would be so kind to help me find the problem thanks blessings.