Modifying your OEM sending unit for use with double or even triple in-tank pumps may seem like a daunting task. To make it easier, we've compiled a link library with videos and step-by-step instructions that will get you through.

 

It’s easier than you think! The hardest part is removing the fuel tank if that is a requirement for your vehicle.

 

DIY OEM Fuel System Mods

 

Write-up:

Modifying stock sending unit for AN fitting and dual pumps

https://www.thirdgen.org/forums/fabrication/563657-how-diy-dualwalbro.html

 

Write-up:

DIY Twin pumps:

https://ls1tech.com/forums/fueling-injection/856954-diy-twin-pumpsquick-cheap.html

 

Videos:

Full Fuel System Upgrade: 1000hp Capable Oem

https://www.youtube.com/watch?v=flMRoda160s

 

Upgrading return line on stock fuel hat:

https://www.youtube.com/watch?v=jtZyk7xtiEc

 

Installing second in-tank pump:

https://www.youtube.com/watch?v=fb2-JPJhROk

 

installing third in-tank pump:

https://www.youtube.com/watch?v=onl2hcODgNs

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