1969 Dodge Dart issue with installing axles after thrust block removal.

kybatman said
That would be the case for the left side but not the right I thought??

:)

No, there are inner and outer splines on a sure grip. One set for the carrier and one for the sure grip. So it can effect both sides.

Method to correct it is here 8 3/4 sure grip axle problem

Typically if it's a one side issue then you have an adjuster issue. But since you have green bearings you no longer have an adjuster on one side, so you're left with just the spline issue.