I have a question regarding the standard booster ps pump and the hydro ps pump. I have everything from a 01 2500 installed on my 01 1500. Now i also have the hydroboost pump but the pump is shot. What is the difference between the two beside the resivor? I asked the guy at autozone to check part number and he said they list different part numbers for the pump minus resivor . Would the non hydroboost pump fit in the resivor? It looks like it will. Is the flow valve different between the two? Cant I just swap the valves? I have a good oem 1500 pump that i originally started with from the original setup. Not trying to spend more than I have to and i have a good resivor so Id rather use it than to T my return lines.