Hi all sorry to use your brains mine is frazzled , converting rear sierra suspention to coil overs spax adjustable , what spring lbs on rear and front, I have problem when I jack car up so wheel off the floor the spring on the coilover becomes loose ,I have lowered the top insert in chassis down the ride height is to high the springs I have are 350lbs on front 300lbs on rear hope you can help me I'm stuck regards john