Is your problem when in neutral fast revving it to WOT or when driving it?
If when driving it bogs going to WOT do not add weights onto either the AVS or Thermoquad doors
You should use the spring tension to help you get rid of the secondary opening bog on both types of carbs., that works well once you get it right
BTW, how's the float level on your problem carb.?
Another thing to check on the AVS carbs. is the gasket on the secondary boosters, they can be wrong ones or installed wrong
Lots of gremlins out there waiting and wanting to mess with us hot rodders
Let us know what you find, it may help others on here later also