Street Demon or Edelbrock AVS2 or ?

Me and you both! I consider them parts carburetors. The trucks though, used good Thermoquads all the way to the end of the Thermoquad run, as long as it was not a California emission vehicle. The cars didn't get so lucky. LOL
agree best carb i ever had was a 72 TQ off a 440 road runner ran it for 5 years 400,000 miles , never touched it after rejetting it after install . It just worked