69 bee 440 six-pack

hi everyone- my concern is a keep running issue. 69 bee 440 with orange box ignition conversion in 85 2 weeks ago it ran ,idled drove perfectly i rolled into my driveway the car quit ! it stopped , starts great does not go to run, I replaced voltage reg and ballast resistor--- same MFing thing happens ideas will be be helpful. plenty of fuel going in. The car sat idle for 34 years and got it going this year. i never had problems with it when i drove it in the 80s until now . i replaced the middle wiring harness earlier this year. the back up lights are on when i hit the light switch and the left turn signal lights up but doesn't blink automatically. hey all ideas are welcome Most Overpowered Powered And Rare THANKS TO ALL