Butch,
I think the geometry you are referring to is 'camber'. It is usually set when the axle is made and not changed. It isn't a easily adjustable setting. Have you measured this camber dimension or are you gauging it by eye...my guess is that it's fine.
The adjustment commonly set would be toe in/out and caster. These can be set with the turn of a wrench or the insertion of a caster shim. Camber on a straight axle requires a very large press affair to actually bend the axle near the eye.
Stuart
