Hey dudes who knows what all these holes are for,what im after is some ported vacuum,enough to run a vacuum advance dissy,there off a pair of 34 weber
icts.Thanks dudes 
If no-one knows on AussieVeeDubbers, try ShopTalkForums as these carbs seem to be more popular in the US.
What size motor are you running them on?
Lugs
Aint all thos little holes the progression ports???
I have my Haynes manual here - will see if it is in there
Yeah there goin on a 1600sp.The only reason i posted was so i could link the Pic to STF
.All the holes are just below the throttleplate.Thanks dudes.