You cannot swap stock spindles side-to-side and retain any semblance of safe handling!
It's been tried many times and I'd love to see somebody make it work but your ackerman and bumpsteer geometry
will be so far out of whack that it will probably hurt someone.
What happens when you drive at 60+ mph down an undulating country road with even gentle rises and falls in it?
What happens when you try to back up in a sweeping turn at near full lock?
Besides the inherit strength in the mechanical assembly, these are the concerns that must be answered.
