512 B1 heads HP?

I had a 70 Dart weighed 2960 with me in it 451 stage 6 heads and a Comp 625 roller 10" converter 850 and 4.56 gears 29.5 slick best 1/8 6.39 your car with b1's should easily have 700 hp and run low 6's in 1/8 keep us informed on some track time