is there any way other than changing rear end gear sets to get more of the... and i have trouble saying this without laughing, power to the ground? i am looking for info reguarding the drive train more than say the exhaust system. right now all i have done to it is a hooker areo chamber muffler and k&n cai, not finished making a true cold air need to find out how to balance air/fuel ratio, or just being able to tell if it is off would be nice. A little more to the point, does anyone know if there is some kind of trans valve body that can be changed? i am not too familiar with trans but it seems like they did a trans valve body change on Trucks!.... but i think it was a deisel. could be just a deisel thing for all i know. oh yea 3.7, auto, 17 stock wheels