When installing 5.5 taperd blocks in the rear for the cognito 7 - 9...Do you add more fluid in the rear diff? If so how much? (added 1/2 quart to the front diff already)

I must be Looking at this Wrong LOL

if you rotate the Axel Up,to correct the shaft angle,wouldn't this make the Hole in the back go down Hill ??? If so then you would only be able to put the correct amount in it, if That!
I have always filled the axel till it was level with the hole Has that Changed ?
I'm asking cause i would like to Change the Cover and go maybe with an ATS Cover and would Like to make sure i Know what i'm doing First :~)

I could always do like my buddy says and Read the Book LOL.....

yes, that is exactly it, It will tilt the top of the diff towards the back bumper. Some people have said to just make sure it is filled to the hole, others say you have to add 1qt. The cognito instructions say if using rear springs and the pinion is changed add one quart. . . .