For a toy axle swap you are going to need to move the perches in. The driver side perch is the easy one, the passenger side needs to have a plate made so you can move it over.
I used Skys samurai to toy kit, with some YJ spring and it worked awesome! For 100 bucks you cant beat the price either.
I do have diagram t to make the driver side plate thou

I wouldn't bother putting on the older push/pull style power steering, spend some time looking for an IFS P/S box. It takes quite a bit of cutting to get an IFS box to fit, i had to cut out and re do my driver side body mount.
Things to beef up the axle, if nothing else i would add knuckle ball gussets.
http://marlincrawler.com/axle/front-axle-parts/axle-ball-gusset-kitIf you have a stock yota axle for the rear, its going to be centered. Which means you are going to end up with some vibrations due to the drive line angle.
If you have any more questions....fire away!
Amilla