how does the tie rod flop when cycled with load? not too bad?
That was my second thought, right after "are you sure that isn't backwards?"
This is for full hydro, not assist. You don't want any slop in there. If there's any way you can get that ram acting on a steering arm, do it. Get a bling passenger knuckle, run the ram to a high steer arm, and hang a mount off the front of the axle where you have a TON of non-cast material to weld it to.