My combo which will be fired this weekend(I hope), I think is in the ball park. 508ci 440 .040 over w/girdle 4.250 crank, 7.100 rod, ross flat tops(11.3 comp) Scott Brown solid FT 259/266 @ 50, 625/635 lift w/1.6 rockers, 112 LSA EZ heads MW ported (340cfm @ 600) 440-2 intake, 900cfm carb