I'm going to use 35" tires. My Blazer has a 400 cid small block, and a TH350 tranny, and fulltime T-case. What would be the best gears for trails ????? I live in small mountins. I still want to be able to go down the highways with the flow of traffic, but don't want my truck to be a pooch off road. What do ya'all recomened for gears ???????