Enhancements in the transport current properties of long lengths of multifilament Ag-sheathed (Bi,Pb)2SrzCa2Cu30, (Bi-2223) superconducting tapes were made as a function of increased packing density of precursor powder, improved mechanical deformation, and adjusted cooling rate. Improved processing parameters had a pronounced effect on the transport critical current (Ic) of the superconducting tapes. At 77 K and zero applied magnetic field, an IC of 60 A was obtained in short length samples (4

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... m), an IC of 54 A in a 164 m length, and 18 A in a 1,260 m length. These enhancements were based on the increase in packing density accompanied with improved mechanical deformation and cooling schedule. Maximum critical current values were two to three times higher in slow-cooled tapes than in fast-cooled tapes.