I have my completed L-head (F-head = same block) and an OD trans mounted together sitting in a "car wheel dolly", sitting on the oil pan and the trans rests on the dolly. The engine could easily sit in there strapped down by itself. Movable to unload with a ramp, and also in the garage, and would just need to be strapped down in your truck for transport. I have a V6 Chevy engine the same way. Just my way to handle the engine mobility issue. Good Luck.