Good thing you gave it two days! You're right that it'll settle a bit but I think you're also getting an extreme reading because of the lower spring on the other side. Once you get the other Dendoff spring in it should lever down the side you did first and you'll be closer to square. Best thing is to drive on them for a week or so and then go get an alignment and see where they land. Firestone's lifetime alignment plan is a pretty good deal, I paid $200 up front and every time I've changed a springset or something I go in and they don't charge again.