It looks to me that your rig drove OK before and after, better after having gotten worn components out of the equation. A purist (good morning Harvard, thanks for all you've done with this) would like to see the caster number beginning in 5. But I think Harvard has already concluded that 7* is unattainable with available bushings, at least and retaining a reasonable camber.
I recall posting a pic of your coach as an example of one of the all-too-few that don't have way too much rear overhang in relation to house length or if you prefer wheelbase. We're starting to think the floorplan designers win over the chassis engineers and put the same rear overhang on many models, even when the overall size doesn't support that much overhang. Specualtion is that the wheel wells are a limitation that causes handling to be sacrificed to interior layout. Your coach seems to have avoided that. I wish more did.