When I've had dribbling and pooling of fuel on the intake runner in the past, the culprit has always been a faulty accelerator pump. Usually that's accompanied by a performance problem which you don't have.

Still, I'd look closely at the accelerator pump assembly.

1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)