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You are using them to complement your newer springs. I would not be very comfortable using them to effectively replace worn-out springs.

When I had my springs re-arched the only reason the truck did not sit even lower is because they stopped on the over-load leaf. If I would have used air-shocks it would have been the only thing supporting my truck


You have a good point there. With my air shocks at zero pressure I sit about one inch low, with an empty bed. It just depends I guess how much you are sagging. With my old stock springs and the add-a-leaf, I was sitting about 2 inches low, with an empty bed.

93 4X4 ext-cab, auto, SR5, 3.4 V6, supercharged, 2.1" pulley, URD fuel mods, Aquamist WI, IPT valve body mod, dual cases, 4" superlift, Alcan springs, 33 BFG MT, ARB locked front & rear, 5.29 US Gears, RB 1" BL, 1.5" BJ spacers, TJM T-17, Warn m8000.