I just went from the 700lb coils to 650lb coils (Wheelers Offroad) on my 6112 (47-284142) and so far I much prefer the 650's. I have no additional front weight and prefer a much smaller lift (1.5"-2"; low COG) than most. I was on the 700s for about 30k mi and the 6112 rubber bushings were SHOT...