I put them back where they were originally. Hooked up the carb sync tool, made a pretty big adjustment to carb #1, and a small tweak to 4 and she runs great now. Wish I would have known carb syncing was that easy.
-2001 Tahoe original 5.3 4x4 only 439k
-2001 Jincheng Panda(Honda Clone)
-1985 ATC70 with 125cc motor
-1973 CT70 with 125cc motor