Picture was with them “mashed together enough to start lifting vehicle.Are the Currie bumps just touching or are they mashing into each other? They will compress at least 5/8" past first contact. Meaning there should be about 5/8-3/4" of shaft showing at first contact on the bumps. Also, look at the back side of the upper bump stop. There is a recessed area that should be packed full of washers before being bolted on.
Where are you saying I could add washers on the upper bump stop?