Ok, so I took out the TH400 and got in the SM465 in without any major headache, including the pedals etc. At the same time I put in 4" Tuff Country springs in the front and an ORD shakle drop in the rear. Does the truck sit level? Of course not, I forgot that there are extended ORD greasable shackles in the front. No big deal, I just got some 3/8" thick standard length shackles and we should be in good shape, right? Except, I forgot that the stock springs accept 7/16" bolts, not 1/2", so now I need new bushings...or I could add that zero rate block in the back, but I need a new spring back bolt (no big deal) and U-Bolts. So, after all this whinning, here is the question, and yes, I realize this is a stupid question, how bad would it be to run 7/16" bolts through the shackles with 1/2" holes in the front to avoid replacing bushings which are brand new anyway?