LS or EFI swapping your C10 / K10 73 - 87 squarebody truck. This guide is for you. Tons of guys find our website when researching info on how to do new fuel lines for their squarebody 73 - 87 Chevy and GM trucks. We get asked enough times what else guys need in addition to our PTFE hose kits in order to complete the s.. In carbureted engines like those found in the 73-87 C10 & K10 Squarebody Trucks, the process begins with fuel being drawn from the tank by the fuel pump. The fuel pump, typically mechanical, pressurizes the fuel and sends it through the fuel lines to the carburetor. Within the carburetor, fuel mixes with air in precise ratios to create a.

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73 87 Chevy Truck Fuel Lines [Detailed Guide]
1973-89 Pre-Bent Original Material Fuel Lines and Vacuum Advance Line. Fuel hoses are not included with fuel lines and must be purchased separately. Fuel hoses are two feet long and come with four clamps. They must be sized and cut to fit. Fuel Lines fit carbureted engines only.. Just remember there are 2 Tan wires at the DPDT switch. One for the gauge and one from the main tank (pass. side). Fuel gage wire is in the center position (pin 4) opposite of the pink/black (power (pin 1)). Green wire for the solenoid (pin 2) is above pink/black and the 2 tanks are above/below the fuel gauge wire.