Dave.... Did you say you used the Melling pump that a company called Precision blueprints? Ran one of them in my old W5 motor and thought it was up to snuff. I would be extremely suspect of a 180 dollar miracle oil pump, as I am sure you are as well.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam, footbrake street/strip car Best so far, 10.32 1/4 1.41 best 60 foot 6.56 at 104.17