Got it. Be aware that my carb suggestions are based on potential issues with a factory style carb, not a POS Weber. No telling what you'll be dealing with when you get there.
Did you mean 1977?
Check fuel cut solenoid for electrical connectivity (it should click when the key is turned to ign). Check fuel bowl sight glass (fuel level in middle of sight glass). Check fuel filter for obvious debris. May be the secondary butterfly in the carb being snagged on a paper...