1998 chev 1/2 ton z71

Hello, I am looking for some ideas that would allow me to beef up my suspension. My current veh is a 1998 1/2 ton Chev Z71 (155000miles/250000km) that sports a loaded Hawk. It is not uncommon for me to be 1000lbs over GVW. While agree with everyone that this camper needs a 3/4ton, and yes my...