The gto's have this problem. Does your fluid look like shit? I had the same problem with mine sucking to the floor. What you have to do is suck the fluid out the reservior and put clean fluid in it then bleed it till clean fluid comes out the bleed screw.
If it has clean fluid then you need to upgrade to steel braided hoses. The clutch doesn't have anything to do with the pedal its something with the hydraulics.
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