carb. help

[car9fan]

I need some advice on what size carb. i should use,To make a long story short i uesed a software program and put all my info about my motor in it and it says with a 650 i would pick up 4 to 6 10.s in the 1/4 mile,The car is a little flat off the line. its A 1969 BLOCK THATS BORD .40 OVER WITH RPM EDELBROCK HEADS WITH THE RPM PERFORMER INTAKE I HAD KEITH BLACK FLAT TOP PISTONS BUT I RECENTLY UP DATED THE KEITH BLACK TO.200 DOME PISTONS IT WAS 9-5-1 COMPRESSION NOW ITS 10-5-1.IT HAS A COMP CAM 240. AND 540.LIFT.ITS A 700 DUEL FEED DOUBLE PUMPER WITH MECHANICAL SECONDARY.THE IGNITION IS A MSD 6A BOX/ AND MSD COIL AND THE MSD BILLET DISIRIBUTOR.THE TRANS IS A BEEFED UP C4 WITH A 10IN 3000 TCI STALL CONVERTER/IT HAS A 8IN REAR WITH A FULL SPOOL AND 410 GEARS. ronnie's racing