1987 GMC fuel sending unit

[kipps]

Originally Posted by nascarmikeb

Thx for the reply. I wasn't clear. I'm keeping my steel lines from the tank to the engine compartment. Now, I need to get those fuel supply and return to my pump mounted on the block. This is where I need the correct fitting on this end of the steel lines. I don't intend to change the entire fuel lines, not right now at least. I just need to supply the engine with fuel, so it will run and be safe (no fuel leaks.)

The line from the tank to the pump is not under pressure, since the pump is sucking fuel from the tank. If it were me doing it--

Pick a spot where the two steel lines(supply and return) leave the frame rail and begin to go up to the tbi unit, and cut the supply line there with a hacksaw. Slide common 3/8" fuel hose over the sliced steel tube, and secure with little pipe clamps. Use fuel injection clamps if you're really particular. Use several cushion clamps or zip ties to support the fuel hose within the frame rail for those last three feet to the fuel pump. Optionally, protect the fuel hose against any chafing with 5/8" split wire loom.