He's talking about using a Vega or similar style steering box.
Cross steering is more responsive with less bump steer than the original "side" steering.
The drag link "crosses" to the passenger side wheel parallel to the axle.
I think somebody here has done this with good results...maybe it was with a International Scout box? I'm sure someone will check in with more info.
That would be me and yes you are correct I used a scout steering box I am not on the road with it yet but getting close. You can see pictures at my web shots page it is on the 56 6400.
