When we had our 1999 4X4 expedition (listed in sig below), I frequently referenced the website below.
http://www.ford-trucks.com/forums/forum27/
2003 Ford F250 4X4 Crew Cab, Short Bed 7.3 diesel, exhaust, intake, 4" lift, 35" BFG AT's, gauges, etc.
2008 Subaru Legacy 3.0R, Bronze, awesome.
2001 F350 SRW 7.3 PSD, 4X4, crew cab, long bed, Banks Chip, Exhaust, gauges, trans command module, CLEEEAN. SOOOOLD (and greatly missed)
1999 Expedition 5.4 4X4 w/ 2" torsion adjustment, 1" leveling spacer in rear, 34" Mud's *SOLD*