sprung over with 60 series springs both front and rear. they are 3 inches longer than stock...flip both sets of springs around to gain extra wheelbase as well.. make sure you have plenty of grease in your bushings and open the spring wraps up to let the springs "fan" out more...
here is a pic of my truck with only 60 series in the rear and 40 series up front but you get the idea...I havent got any with my 60 series up front yet....

I still had aboot 5 inches of flex left but my front fender couldnt take it and my rear shocks have bottomed out...