Easiest way to remove and install rear axle?

Getting ready to swap my 7 1/4 for a 8 3/4. I have not done this before, I'm also rebuilding the 8 3/4 swapping gears etc. So I follow the manual closely.

When removing the axle it seems like it might be an idea to drop the leaf springs down towards the rear of the car. Seems like it might be easier to remove the axle and install the new one with a little more space. This is not following the manual though :) Is this a good idea?