1967 valiant signet with 360 Dies once in a while please help

Ive got a 67 valiant with a 360 engine. What happens is it will drive fine but when I get to a stop light once in a while it will shut off. I will put it in park and turn the ignition to start and it won't do anything but I have power. Then I will put it in nutural and it will start and then I put it in drive and sometimes it will drive of fine and sometimes it will just die. I'm lost. I have replaced almost everything, alternator, coil with a mad blaster 2, mopar electronic ignition. New carter fab carb tuned and idle set right. The only thing I noticed is the ballistic resistor get really hot???? Any ideas guys
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