Im still not convinced, man. I need some raw data to sway my decision. I need to make up my mind so I can plan for parts, after all the drop stuff in november. Cant decide on 4.10's or 4.56's. 4.10 would be a lil better accel, from my 3.92's but still not **** with my mpg much. Where as the 4.56's is pretty drastic acceleration increase, but I think I might regret it when I compute my mpg numbers. Do a couple fillups, and compute your normal average mpg, vs your new numbers. If you could do a couple 1/4 miles runs with before and after times too, that would help an ass-ton!... After your final ck, and syn fluid change of course.