Just surfing and found the same guitar but with all original gear on it.
http://www.fretsguitarcentre.com/index.html?target=p_361.html&lang=en-gb
The neck of my Gibson is now repaired and very strong. I know now why it was always detuning. 4 days under the press was enough I guess :)
You can still see the crack but it's now glued shut. Don't have to worry about that now.
The tech told me there's about 150 pounds of stress on a guitar neck. Now I know why the crack opened up with time.