ok, i have a 07.5 lmm with an edge tuner and 6" stacks going on tommorow. i have a couple questions if you'd please help. first my edge runs 1000-1200egts towing approx 4000-6000 at 70-80 mph is this normal and would going to efi live cool it down a little? 2nd, on a mostly stock motor WHAT is...