Won't Stay Running
73 400 with 65 intake and stock AFB 4 barrel. When it starts will run fine. As it warms up, starts to load up/miss a bit. If idle is not 1500 or so, will die. Timing and dwell are dead on. New coil with good spark. Heat tube to choke coil gets very hot, not sure if it should be that hot. Tried 2 different carbs with the same results.
Stumped. Could I have a vacuum leak? Don't hear a hiss but..........
What am I missing?
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