Help me ID my 9 inch!!!!

A rear end that is. Here what the tag says WDX-G1 9AD 2 479 402B I know its a disc brake rearend but I would like to know the gear ratio nad if its a posi or open diff. Thanks guys Pat.

 

wdx-g1

that is from a 78 to 80 linc. versailles 2.47 ratio--open

 

Thanks flattop..pat