Sounds like you need to invite another SF Bay Area Stovebolter over for ideas, opinions, etc. LOL - Though I don't have a dual carb setup, I need to go and see where my return spring is connected down at the bottom.
Craig
My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear My truck ....... Respect The Rust If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.