i would think one you remove the two mounts from the tranny, you would have enough play to sneak it out. But at the point you have all the stuff disconnected to just pull the trans, you could also drop the engine and k frame with like a dozen more bolts to give yourself A LOT more room letting it sit just a foot or so under its current spot.

This would allow you to not disconnect everything like pulling the engine, but let the transmission slip under the frame rail.