How does cid make power?

example of size, our dyno'd 589ci (4.565x4.500) mild 10:1cr wedge, strange combo but its how we got it, originally built as a 605 with a 4.625 crank.... -13 365cnc heads, .625" 260/[email protected] s/roller, 440-2, puny old 950HP carb, 2.1/8"x4" TTI's a mere 695hp@5500-5900, 720ftlbs@4400