Rocky, when you say that there is "no pressure at the pedal" do you mean that the pedal goes to the floor? If so, and it doesnt go to the floor when the output ports on the M/C are blocked (as you said), you should check the calipers vs. the rotor thickness. Could you have put thin rotors on so that the caliper has to move the pad too far and thus making you run out of fluid volume?

mike in tucson