sounds extremely similar to my old w5 motor, except different intake and your cam is about 9-10 degrees smaller. dyno's are different but i would suspect somewhere in the area of 660 ish ponies.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam Best so far, low 10.30’s 1/4 1.41 best 60 foot 6.56 at 104.17