Not in the rear he has the stock mount plate under axle.
1/4" might be OK, I would have 3/8"
And I still say the rear angle is a bit much.
his rear shackles layed against the frame before he moved them...
as for the ubolt flip, early on in his post, he says he has them, but hasn't yet installed it
crazykooter is a great, technical driver, used to be an over the road truck driver also