I went 13.40 at 104 on regular street tires with a combo similar to yours. Mine was 306, E-Cam, Ported E-7's with chevy valves, Roller rockers, 65 MM T.B., 75 Mass Air, 24L.B. injectors, 3.73, T-5, Full exhaust 1 5/8" shortys, underdrive Pulleys, Ford truck lower with Vortec upper. Never ran it...