Anyone built / bought a "thing" to roll a car shell over?

Usually called a chassis tilter.

To the latter question, yes! There are a few manufacturers producing different styles.

Have a look at

and I have one that I was given which was specially fabricated for Austin A60 vehicles; I have yet to adapt it to other models, but it is essentially similar to the Frost one but with a simple triangular stand at each end. It's disadvantage is that it requires very sound chassis rails to attach to at each end of the car, which is why it never got used on my A60!

A quick way to bend a weak shell....

Weld up your own. It's not too hard to do.

Hang on Conor, think about it... Without knowing the OP's welding skills, and considering all the crap welding you must have seen over the years, it is really safe to advise the average joe to weld something to support the weight of a car?

_I_ would be perfectly confident in the strength of _my own_ welding for this purpose. But it's not something I would tell someone else to do unless they are equally confident in the quality of their welding.

over the

something to

They would also need to know how to mount the shell onto the frame, even more important if the shell still has the mechanical parts, just hanging the shell by it's bumper iron mounts might not cut the mustard...

Thread on making one "Hoop rolling" in uk.d-i-y at the moment.

Oooh. Vicious expensive. I think I might take my chances crawling around on my back.

Might be cheaper to invest in a professional high-lift jack and stands.

If I need it that high, there's always the forklift ;).