towing - ok to remove steering box?

You are not towing the car you are HAULING the car is that correct? Loaded onto a trailer or truck? So you only need to roll it slowly on/ off?

As above, another thing you can do is buy a cheap piece of angle iron / perforated at the hardware story, some long 3/8 bolts and washers, and bolt the angle across the steering arms on the spindles.

Either than or use two guys to "argue" with the tires on/ off the trailer