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  1. In an effort to make the 240z more reliable, I've decided to upgrade to an electric fuel pump and then retire the mechanical pump. By using quality parts and a smart plan, this will prevent vapor lock, keep the float bowls properly filled, and should allow for the car to start easier. Parts List Fuel Pump (low pressure, 4.5PSI max, 30GPH): Airtex E8016S (~$38) Oil pressure switch: Airtex OS75 Safety Switch Oil Pressure (~$15) Mechanical fuel pump block-off plate (~$25) Brass "T" (1/8" FIP): Watts AC-704 (~$5) Brass male-male (1/8"MIP 1/8"MIP): Watts AC-714 (~$2) 30amp automotive relay: Dorman 84601 (~$5) inertia switch (optional) Wire, fuses, and miscellaneous connectors Fuel Hose My first step was to plumb the engine block for an Oil Sensor Safety Switch. As you can see from the picture below, I inserted a "T" joint to allow me to keep the current oil pressure gauge (second picture) as well as the new safety switch. Next I needed to design a reliable and safe wiring scheme which would incorporate the factory wiring for a fuel pump but also allow for the safety switch and relay. In the diagram I drew below, the GRN wire and the BLK/WHT already exist in the wiring harnesses; the plug is just taped to another set of wires below the fuse box. The fuel wire harness is held with blue tape (see circle). The BLK/WHT wire is live with the ignition switch. The GRN wire goes back to the fuel pump (wired from the factory). There are two unused harnesses. Left is the Fuel Pump, right is the Fog Lights Here are two initial photos of the new electric fuel pump installed. I ended up using an existing bolt/nut for the mustache bar to mount the pump.
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