Ring Gear, Differential
Ford - 7.5 Inch Ring GearMaximum back face ring gear runout 0.102 mm (0.004 inch)
Ring gear backlash 0.203-0.381 mm (0.305-0.381 min preferred) 0.008-0.015 in (0.012-0.015 in preferred)
Ring gear bolts 105 Nm (77 ft. lbs.)
Ford - 8.8 Inch Ring Gear
Backlash between differential ring gear and pinion teeth 0.203 to 0.381 mm (0.008 to 0.015 inch) [0.305 to 0.381 mm (0.012 to 0.015 inch) preferred]
Maximum differential ring gear backlash variation between teeth 0.102 mm (0.004 inch)
Maximum differential ring gear backface runout 0.102 mm (0.004 inch)
Differential ring gear bolt 105 Nm (77 ft. lbs.)
Ford - 8.8 Inch Ring Gear High Torque
Backlash between ring gear and pinion teeth 0.254-0.304 mm (0.010-0.012 inch)
Ring gear maximum backlash variation between teeth 0.050 mm (0-002 inch)
Ring gear bolts 105 Nm (77 ft. lbs.)
Dana 35
Ring gear backlash mm (inch) 0.13-0.20 (0.005-0.008)
Ring gear bolt 109 Nm (80 ft. lbs.)