Something is up with the lift... Could be springs were reversed, put on the wrong end, or springs were not well engineered.
If reversing the springs won't give the desired results, you can drill a new hole in the spring pirch on he axle, and in the spring plates to move where the center bolt is indexed.
If reversing the springs won't give the desired results, you can drill a new hole in the spring pirch on he axle, and in the spring plates to move where the center bolt is indexed.