#1. Fuel pressure (if accurate) is too high, 6-6.5 max.
#2. Float level too off, Carters/Edelbrocks need to be set right, also look for a sunk float, even brand new ones sometimes have tiny pinholes, also bad gas can easily clog a needle & seat open overfilling the bowl.
#3. Vacuum leak somewhere, Hemi's like to suck intake gaskets, hard to find but very common.
