I didn't catch that article on how to build a cab hoist, when I did my research.
thought I would add to your post, good ideas should be shared.
so, here is another way to skin that cat:
we used Two floor jacks, tires and some 4x6s and blocks:
liftedframe off used the hoist for the engine:If your changing Frames like we did.
the handy tool that we found to make our build easier: welded a metal4x4 to the jack to get extra height.
Plus:(a drill template)
we made a drill templete body mount holes from the old framebody mount holes tranfer to new frame