so can i be taught about this subject ? im currently running 265 75 16 on my 2000 the only problem is at 65 and 2000 rpm im having to kicit it down a gear often, and im getting tired of it by the way its an automatic. now im thinking of going 33inch anybody know what my tach might read at 65 ?also any idea of labor costs in or around L.A.to chang my gearing 4wheel parts says around 1100.00 labor ,that hurts alot thanks