I got a 04 lb7 2wd 6 spped I love the truck ,but as you all know it wont hang with the automatics. I loose boost no matter how fast I shift. the truck hawls on the highway. I have a bd intimidator programmer k&n and exhaust is in the mail. would the big head accuator help? truck went 15.65 at 91. I want 14,s whats next??