Make sure you have the calipers on the correct side. If you have them on the wrong side, the bleeder will be at the bottom instead of the top. You can bleed an ocean of fluid through it and not get the air out of an upside down caliper.
HTH
Brian
You have three rubber flex lines for the brakes -- one at each front wheel and one from the frame to the rear end. Clamp these off (they make special tool for this, vise grips will work but are hard on the hoses). If you now have a full pedal, the problem is at one of the wheels -- if it is...