here is a flex pic of a friends 87 extracab "we built",  its running 3/4 ton GM front and 3/4 Dodge rear axles, 589s, ARBs and 39.5 TSLs, the springs are 2.5" BDS YJ's up front, and AOR orbit eye (Ford Ranger length) rears with our tried and true, double/swingshackles !!
 pic taken up at Moon Rocks Nevada,, on a section that we call "the girl thingy"