Frame connectors on a rotisserie car?

I did mine on the rotisserie and didn't have a problem, but I had a solid frame and great rocker panel re-inforcement on the convertible and torque boxes. if I had a hard top (a whole lot less bracing except for the top roof metal)I would have thought 2 or 3 times before I welded it in on the rotisserie. I learned the hard way when I did my friends 65 Satellite and had it on jack stands to level it. when we put it down you could see it sat crooked. I redid it by putting it on jack stands under each wheel location, ball joint and rear axle pads. that fixed the twist it picked up by not having it on correctly the first time.