its a stock fuel pump, and like i said, ive never rebuilt a carb, and i havent completley ruled it out, i work for moving company and my boss lives down the street, so im not in a desperate rush, but if im going to do it, it has to be right cos its my daily driver. by the way, the fuel pump isnt even a year old and its just a stock 350 fuel pump, non electrical. fuel flow doesnt seem to be the problem.