Holley 1920 Rebuild Help

None of your pictures shows anything having to do with the bowl vent. Most of them seem to feature the choke pushrod. No amount of bowl vent linkage adjustment or hookup, however, will cause or prevent liquid fuel coming from the bowl vent. If that is happening, there's something the matter with the carburetor. Carburetor operation and repair manuals and links to Holley 1920 repair/modification threads are posted here.