1966 Mustang frame rail replacment. on 1990 Ford Taurus

Has anyone replaced the frame rails on a mustang convertable???? I have the tools to do this i think. Plasma cutter and mig welder. what should i consider about keeping the car straight? does anyone know about this? ty

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
Hey Ty, Not sure this is the place for that kind of answer, I would look to Mustang forums or auto body forums. Hopefully someone proves me wrong, but I would look to a few other sites as well.