I need to replace the stock 56" springs in my burb, negetive arch is bad /forums/images/graemlins/dunno.gif. I have an echobit flip with a zero rate and are saggin still compared to my front 4" RCs with one leaf removed. There is a junkyard with F150 57" and cucv 1 1/4 56" spings. I would like to move the axle back to reduce departure angle (badly needed in a burb) but dont need it too flexy any ideas? Thanks /forums/images/graemlins/burb.gif