I must admit, I have never played with the steering box adjustment.

Tight or loose steering can be a combination of many components: Ball joint, tie rod ends, centerlink, steering idler, steering box.

On the Amigo which, I believe, shares the same type of steering system as the Trooper/Vehicross, (recirculating ball), many of us have had to changed the steering idler:



The bushings/bearing get a little worn causing the shaft to have a little play. The old one in the picture is also bend just slightly.

Larger tires as well as a little bit of play in all of the above listed components can add up to steering that is not quite what it used to be.

Steve G - 90 Amigo Guy