JDM Engineering recommends using only ford rear gear oil when replacing gears or posi unit. The recommended amount for a 8.8 rear is 2 bottles (quarts) and for a 9.75 rear is 3 bottles (quarts).
JDM Engineering recommends using only ford rear gear oil when replacing gears or posi unit. The recommended amount for a 8.8 rear is 2 bottles (quarts) and for a 9.75 rear is 3 bottles (quarts).