before you get too deep you need to clearance the firewall/inner fender, your 36s will clear but your 40 likely will not. Most people do 1 of 2 things, make room with a BFH or move the axle forward a couple of inches.
Hey Tony you wouldn't happen to have a set of stock front leafs laying around would you?
Let me check but I should. I can’t remember if I busted them up when I did the ruf.
if I do you’re welcome to them for free. We’ll just have to figure out how to get them up there. There should be some GA/TN cross pollination at one of these spring rides.