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Since it’s only rated at 350 hp, the fuel system requirements of the GM Ramjet aren’t huge. However, the EFI system requires a minimum of 35 gph and 43-55 psi to operate properly, so a high-pressure EFI pump is mandatory. We selected Aeromotive’s entry-level inline electric pump, which is rated for up to 700 hp. Along with the recommended 100-micron inlet and 10-micron outlet fuel filters, it makes quite a bazooka-like rig! Conveniently, it fit perfectly in the open framerail channel adjacent to the fuel tank. Ideally, the pump should sit at the same level or slightly lower than the pickup, but some compromise is necessary on a street car to protect the pump from road debris. The pump body attaches with aircraft-style clamps to four holes drilled in the frame. We plumbed it with a short length of AN-10 braided hose from the tank. View Related Article
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