Sorry......But it sounds like ya bent em to me.Even if the're just sticking,the heads got to come back off.I would also replace that timing cover.That is not just a hole.There is a tab that sticks out from there to keep the chain against the crank gear.JB weld is just too risky.
Brian.

__________________
Mercedes Benz Master Tech
ASE Master Technician
Diagnostic Technician
Owner of "Behind the Star Inc."
Raleigh NC.
www.behindthestar.com
brian@behindthestar.com