My clutch will not disengage

I replaced my clutch when I pulled my engine to replace the head gaskits. The clutch will not let the transmission go in gear. The slave cylinder fully extends but the fork will not release the clutch. There seams to be a lot of play in the shifting fork (inch and 1/4 free travel)and when you push the clutch fork by hand it will not push the pressure plate in. I tried moving the clutch fork foward with a pair of vice grips and it moves some but very hard. What did I do wrong to end up with so much free travel on the clutch fork that the slave rod will not travel far enough to even engage the clutch and why does the throw out bearing not push the pressure plate fingers in when I try to push it foward by hand? This is the first time I have tried to replace a subaru clutch. I used the proper line up tools when installing the new clutch pressure plate and throw out bearing and pilot shaft bearing. You think I might have damaged something when I installed the engine?

THANKS FOR ANY HELP YOU CAN GIVE ME,
BOB DILLARD