double check for vac leaks. It could be clogged jets. you can remove the float bowl plugs and remove the air horn and pull the jets to check. blow carb cleaner thru all the air bleed ports. reset your float level to half glass and try to get it running. Once you can get it to catch, do an okie...
I've seen the solenoid plunger broken off inside the carb; solenoid had voltage, clicked with key, passage never opened... you'll find it; whatever it is. Likey a vacuum leak, provided the idle passage is opening.