Has anyone tried the Borgeson PS Box??

You guys are killing me with your ideas about caster, You have no clue. the more you increase caster the lower the steering arm goes, that will make a major change in your bump steer. So if you can lower your car to the ground it might work, blah blah blah. Do some research.
Why the DISAGREE ?
Because you come across as a jerk. You can get your point across without making people feel stupid.