So, w/o going back all 10 pages ... what makes and size CT's did you install (Comtrac & Pirelli's)? And you reversed the rotation of the front? What would the difference be between the 175/75/16 and the 185/55/16 (advantages/disadvantages)?
Maybe it's me, but I'm partial to triple D's ... as in Darth Darn Don.
edit: I really like the idea of no more cleaning the WWW's, a bigger/fatter tire, a softer ride and the whole concept of longer wearing tires.
I did the Vresdin Comtrac 175/75/16 rear and a Pirrelli 150/80/16 Rear tire mounted on the front in Reverse, I used 2oz of Dyna
beads in the rear and 1oz in the front Pirrelli. I might add an extra ounce to each when I switch to Nitrogen instead of just air. I am running spokes, so I put new tubes in front and back (I got the ones that match the Pirrelli)
Make sure that before you mount the new tire that you clean up the inside of the rim, use scotch bright, and don't forget that there is about a 500 mile break in.