Ok I have a sunroof in my car and hate it. It leeks and now i need a new headliner. I can fix it but cant find a headliner for it around here. I do love the targa's but wont chop the car up to make it a targa. Has anyone ever took out the sunroof and replaced it with metal by welding it? How much work is actually involved in doing this? I am a novice welder but could get some help from a buddy.