ok i have an 86 chevy silverado with auto lockig hubs what is involved in changing it over to manual locking hubs should i buy the 3/4 ton conversion kit i was told that he would work the same on a half ton, or will the hub just go right in after i pull the old one? and sorry that i posted in 2 sections i didnt think to put it in 4x4 section till after i posted