It appears as though 1) his floor wasn’t thick enough for a 2 post 2) lack of ceiling height.
brakes & suspension will be the same on this as a 2 post, exhaust, transmission, etc is going to blow monkey cocks though.
after seeing this i’m considering building one / buying one and installing it in a spare normally flat bay in the new shop for lifting heavy objects from below (engines and equipment on pallets) i’m fucking sick of chaining shit to lift arms. LOL