I have mine stretched 10" in the rear and 1.5" in the front and it works pretty well. On the rear i have the shackle mounts welded to the rear bumper and I used a set of hd spring hangers up front. On the front I left the springs in the stock location and redrilled the spring perches and plates to move the front forward. It is sprung over using stock springs.
93 yj wrangler, 4.0, 5spd, 1.5" front and 10" rear stretch, d60 front and 10.25 rear, 37" mud grapplers, griffin rad with electric fan, aluminum fuel cell. Club 4x4 Upstate SC.