If these pulls were done yesterday, I can tell you the weather in the midwest was very good for making power. These things will be a real monster with some break in and minor tweaks. :-)
American Racing 1 7/8" Headers and Hi-Flow Cats, CAI cold air intake, Flowmaster AT exhaust, Vengeance Racing Stage 2 cam, VMax ported throttle body, TEA valve springs and titanium retainers, Trick Flow hardened pushrods, 180* T-stat, Comp Trunion kit, ZL1 Fuel Pump, ADM Fuel Pump Control Module, 20% window tint, Whipple Supercharger. Tuned by Mike Norris Motorsports. 656rwhp/584rwtq @10 PSI.