ok im currently in the middle of this engine swap could not find the motor that came in the car but found 91-92 motor, wich has an internal coil dizzy...... the motors look the same but only changed the dizzy, i used the harness that was in the car.

new motor has diff intake, throttle body, header, but the 93 harness plugged up fine other then the dizzy but the problem is wen its cold it start right up but runs on 2 cylinders for about 30 seconds then clears up and runs fine, drives and everything all day until tou shut it off then it wont even fire let alon start up..... once it cools completly it does the samething fires right up drives then you shut it off wont start i checked just about everything and tryed everything i know of please can sombody help me out thank you