i was sitting in heavy traffic yesterday with my 65 chevelle and it stopped running. felt like someone just shut off the ignition switch. it would not start again, i had it towed home (disgraceful!) I have a stock distributor with mallory ignition module and MSD capacitive discharge box. Is there any way to see which one of these is the culprit? Could it be anything else? I checked all the wiring connections and it is getting fuel.