The standard method is to use your two post lift to raise the body and roll the chassis out from under the lifted unit.
Packard used an overhead drop, but if you look at the attached picture it should help with workable fixtures that need to be fabricated to use the lift arms.
We've had engineers come in from the automakers to examine our lifting techniques and make videos of our fixtures.
Attach file:
2403.jpg (247.42 KB)
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