You can do it!!!!!!
I did mine......
Denny ,walked me right thru it ,you just gatta watch him,he will sneak back into the post and change pictures on ya.........................
If you have a good rear now,its just a gear change and a few shims........

I bet you could pull it off in a day,the next one will only take a few hours tops.......my logic was, thats more money to spend on the ride ,if I do the labor part.
A ford 9 inch ,you can just send in the center chunk,not sure on yours ,they may need the entire rear to do the gears on that one.........one more reason to do it yerself.
As you can see ,I am on the Don can do it bandwagon
P.S. I am all for you painting the bucket too...