i put everything new ,like a clutch cylinder,slave cylinder,master cylinder clutch but when im bleeding the clutch i open the valve and the pedal stay on the floor.what could be wrong?

my car is a 1990 mitsubishi eclpise gsx all wheel drive car with a 2.0 in it and its turbo but my question for you is when i get in about 3500 rpms my cars boggs down and like almost wants to die and it dont build up in the high boost and ive spent already 600 dollars trying to figure it out and i still cant figure it out i replaced the fuel pump and i got the injecters checked and cleaned and bout a new o2 censer and new spark plug wire and spark plugs and i got a computer for it i bought for 800 dollars and i just dont know what else it could be so i need help in figuring this out so if you have any answers please help me out