Your front torsion bars may just need adjusting. They sag over time and you loose height. Here is a tech article on adjusting them http://www.off-road.com/toyota/tech/torsion/index.htm

Sorry, I can't remember how many leafs I had stock. If you don't want to raise the front but would rather lower the rear to match the front, you can remove a leaf.

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.