Here is a rescipe for you. Not exactly what you asked for but very economical build with good results. 451- 400 block, 10.5 compression with KB reverse dome pistons .040 quench, pocket ported 452 heads with stock valves, Hughes 223-230 at 50 cam with 1.6 rockers, hp manifolds and ported cast iron intake with 440 avs. Best 1/8 mile pass was 7.77 at 87 mph in a 3860 lbs Super Bee, never dynoed it but I feel it was close to your goal and had a very stock idle