Wheel Adapters

[newthings]

The use of a spacer will change the Ackerman ratios. Google it. The turning arc for the inside and outside tires will no longer be correct for the pitman arm length, hub placement and wheel offset, combo. This is all figured out by the maker and must work together. To change any of these relationships will result in faster tire wear and less traction since one wheel will be forced to be in a slight slip state in a turn. Both tires will not be tracking correctly. If you stay on dirt or keep it parked, no problem.
Roy

[Nazrat]

The use of a spacer will change the Ackerman ratios. Google it. The turning arc for the inside and outside tires will no longer be correct for the pitman arm length, hub placement and wheel offset, combo. This is all figured out by the maker and must work together. To change any of these relationships will result in faster tire wear and less traction since one wheel will be forced to be in a slight slip state in a turn. Both tires will not be tracking correctly. If you stay on dirt or keep it parked, no problem.
Roy

Those are the same results that you get by using non-factory tire widths or different wheels. Lifting the front on IFS has other effects on the steering as well.

It is all relative.

-Tad

[Chopper]

Better cornering always seems to equal faster tire wear...But I know you are correct, the geometry does change somewhat. Definitely not the best choice-hardly dangerous at all.

[newthings]

Non factory tire widths (Wider) expand around the center of the rim, so no geometry change. If different wheels do not have the same offset, then you get a geometry change just like adding spacers.
Roy