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Old 05-05-2007, 02:59 AM   #9
68fleetsidec20
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Join Date: Apr 2006
Location: Canada
Posts: 25
Re: 5.3L GenIII /TH400 swap

Today I finished my fuel system (minus hose clamps) with my reserve tank, high pressure pump, lines filter, etc.

To quickly explain the external sump;
the top left line is low pressure fuel comming in
the bottom right is fuel going to the high pressure pump.
the bottom left is the return form the engine
and the top right is back to the gas tank.



I used the Russell quick connects to mate to the fuel rail


Then I took some time to start the wiring

Earlier I made use of the ECU pinout and removed all unnecessary wires from the harness such as transmission, EGR, etc. I must have pulled a third of the wires out which makes things a lot simpler. I'm not to happy how the main junction of harness is located right in the middle of the intake, so I'll probably take some time to reroute the wires to make them more hidden.

I also put the radiator support back on as well as many other missalanious things.

Last edited by augie; 04-06-2011 at 01:09 AM.
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