Are they going to allow you to run compound chargers? Trying to keep temps down running a single using sledpuller combinations seems like a real challenge. A good set of compounds will make more power and much better egt's.. Don't get me wrong, it looks very impressive. There's just more hp and longevity in the motor with compounds. Also, you won't have to worry as much about coming off the charger when you hit a hole. I'm just a drag racer, but I've had some healthy street trucks making decent hp (over 1,000 at the wheels) with reasonable egt's at wot. You also wouldn't have to turn so many rpm's.. 4,000 and you'd be good to go..