How many quarts of the synthentic gear oil did you two use? I need to rebuild the L/S in my 8.8 before I throw it under my truck. I'm waiting to get past xmas and be able to make January's rent before I order up the M-4700-B rebuild kit. I bought three quarts of the valvoline synthentic for the 8.8 in my mustang but I haven't done that yet So did I buy enough for one differential or do I need to get more?