First off welcome to the site. Now you won't see any more "gains" by stacking the two. If you havn't had the edge in for long just give it some time and it will really kick it up. It took mine about three weeks to adjust to my truck. Now the other day a little grinder whipped out infront of me and I smashed it around a corner and the truck came sidways and I couldn't see behind me there was so much smoke! /ubbthreads/images/graemlins/phoney.gif /ubbthreads/images/graemlins/smokin.gif /ubbthreads/images/graemlins/smokin.gif But stick with the Edge it's ggod stuff from what I've seeen and done it's "hotter" programming than some people think. I can lay faster quarters than a TS chip on a stock truck with stock injectors! And if you want proof I got it!