Dyno video:
https://www.youtube.com/watch?v=dUlBnIf5nJ8&t=20s
Made 676hp and 724ft/lbs. Started with a mark iv 454 4 bolt main block . 9.25:1 compression, 402 heads with 2.19/1.88 valves and port work. Casting number on heads are 290s (large oval port, closed chamber). Eagle stroker, 60212 hydraulic roller voodoo cam, flat top pistons, edelbrock air gap intake, holley 850xp carb. Going into my 83 scottsdale with 1 tons and manual valvebody t400. Keeping the 208 for now.
