carb suggestion for 440ci

hello, did have quick nose thro posts. had my car back from garage, pal reakons my holley 750 vac sec worn, not staying in tune, it had a strip n rebuild at christmas, pal reakons a rorchecter? or carter as replacment, any opinions please? car a street, manual 4 speed,low comp motor with shumacker headers and edelbrock dual plane inlet, any thoughts on the proform 750 vac sec?