I am looking for some advice to get me pointed in the right direction.

4 corner jack bolts.
long shocks front and rear.
ride heights are 7 rear, 6.5 front.
stock lowers with steel afco bushings and 1/2 inch taller weld in ball joints.
tubular uppers on stock mounts, lengths are 8.5 left, 8 right.
Rear suspension is stock length box steel non adjustable uppers and lowers with poly bushings.
Front spindles, rotors and calipers are from a 91 Caprice classic.
Lower mounts on axle will be adjustable.
Rear axle is currently a 7.5 but will be a full float grand national 9 inch eventually.
5 inch racing springs on all corners.
3,000 pound total weight...