I'm trying to get the lower egts on my 99 dodge 24 valve nv4500. I have the banks monster ram, pusher 3.5 inch hot side inter-cooler hose, bhaf air filter, fass 95gph fuel pump, straight piped exhaust, edge ez tuning set on 2 setting. I am trying to get better fuel millage, i have never pulled anything with it. i travel at 65 to work and my egts are about 600 to 630, how can i get them lower, thanks