Or, order a Duralift.
Did you put the Holley at the tank selector, or further forward?
The pump MUST be located below and as close to the tank as possible. This is necessary to allow for an adequate fuel supply. The pump is designed to push fuel and not designed to pull fuel out of the tank. The pump should be mounted on the chassis, in a vertical position with the pump motor on top.
Source: https://documents.holley.com/199r7914-3rev6.pdf
In 40 years I have NEVER had fuel leak out of the top mating surfaces of a mechanical fuel pump. I've worked on a lot of junk over this period of time. I've never been compelled to tote around a spare fuel pump. I've got 5 of these trucks, and none have them had a fuel pump fail in this way. None of them have ever had electric pumps added. I realize there's are a ridiculous number of threads on this topic. Just looking for a little concise guidance.Why^^^
Shoot you guys buy 2 units, install one and swap out the other to return for warranty this gives you the backup on the side of the road.
Cuz the fawcett aint never going away
Holley red for life.
My setup is basically the same as @Cubey showed, but I mounted my water separator before the pump in place of the inline filters.
I used an aftermarket golden rod water separator made for diesel transfer tanks. The replacement cartridges are only $5 which is really nice.Not a bad idea, although on a 176" WB van chassis, the water separator is about 8 feet away up next the rear end of the oil cooler. I don't want to run ~16 feet of extra 3/8" fuel hose for that. That's the factory location for it, you can see the factory water sensor harness and ground ring there on the left. There is a pull handle on the floor of the cab for emptying the factory WS driven by a cable.
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