dynoed my 416
71FJ6Demon, the specs are,
416 c.i.
Edelbrock air gap intake
Holley ultra hp race carb, 50 cc squirters, 750 cfm
Comp custom grind hydraulic roller, 236 @.050, .550/.570 lift
forged pistons, set to zero deck
forged crank, H beam rods
1.5 pro magnum roller rockers and roller lifters
Edelbrock heads, slightly massaged, flow 268 @ .550 lift on intake, and I can't remember the exhaust.
Anything else?