I recieved a 78 ranchero 500 from my grandpa a month or so ago. And at first it was fine the weather was nice no problems. Then as soon as it started getting colder the idle and problems with the car stalling started to happen. I need to know what kind of problems the car could be having and ive tried looking at the carb. to see if their is anything wrong with teh outside of it, because i dont know much about carbs. And just today my car did not start, not even cranking. So now i dont know what could be causing that besides the battery or alternator. As well when the car does run it cant seem to keep a steady idle.