The stock mechanical pump should flow enough for 6-700hp. its the stock canister style fuel filter thats going to limit you. Get rid of that and your good.
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97 Ram 2500 / 5.9ctd / 5spd / nv4500 / 4x4 / np241
Starwheel cranked, no plate, autometer pyro and boost gauges, Single 4" stack, 33x10.5 Mud terrains, tons more to come