My friends motor is a 408 built for nitrous by Brian at IMM. Dynoed by Brian at 678 HP and 575ish TQ. Good for 10.18 so far in a 70 Duster without nitrous. He has a 200 shot kit but we will be working up to that slowly. I doubt well get much, if any, tuning time due to the weather up here in WA prior to leaving for Vegas. It ought to be interesting!