8 3/4 Diff fluid in a 68 Cuda.

JTG said
Hi, straight forward question here, which I don't know dah?, can someone please tell me how many bottles of diff fluid I need to buy to fill an 8 3/4 diff with sure grip in a 68 Cuda. Thank You

You need to purchase 3 bottles.
It takes around 2 1/2 to fill it.