A body rear wheel well modification help!!!

[442]

So I own a 72 442 convert. Recently had body paint finished about 6 months ago they cut the outer rear wheel wells out due to rust and put new ones in that kind of overlap the old ones which is causing me to lose about a inch of wheel well space to the outside quarter. Can I cut a section out of the outside wheel well and reattach the outside lip to the wheel well with 3m epoxy bond and weld center top portion back or will I do damage to the quarter panel ie. Get wavy, sunk in, crack paint, flex paint, lose structural support etc. I need major help please thanks.