Are you going to change ratio?
if so you need to decide on the ratio before you begin.
the carrier needsto be changed regardless, but they are different based on ratio.
monza something (member) does rear ends.
I did mine myself, but I repair cars for a living.
its pretty straight forward, but tedious. Special tools are also needed.press, dial indicater seal driver.install kit and shims.imsure there is more, but you get the idea.