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but after seeing the brass barb leak on the old one I never seen a brass barb on a CUCV stock diaphragm lift pump. Please share a picture if you have one. Must be someone's hack job. But the diaphragm pumps do have a weep hole on each side to leak fuel when they are going bad. It used to just...

Do as you wish it is your truck. But I would stick with the OEM pump design. You are just adding complications to a relatively simple system. You can change the original diaphragm pump in less than an hour and call it fixed. Don't add more wiring and change the design because it needs a new...