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Modifying an OEM Fuel System for High Performance applications

Posted by Brad Adair on
Modifying an OEM Fuel System for High Performance applications
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



Modifying stock sending unit for AN fitting and dual pumps



DIY Twin pumps:



Full Fuel System Upgrade: 1000hp Capable Oem


Upgrading return line on stock fuel hat:


Installing second in-tank pump:


installing third in-tank pump:

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Want more help designing your ENTIRE fuel system? Download our free e-Book that was written to help you do just that. This free 50+ page e-Book contains everything you need to know when designing your fuel system, including where to buy the best parts!

This is a 50+ page e-book that was written to help beginner and intermediate DIY mechanics tackle one of the most complex and overwhelming subjects when building a race car or doing an EFI engine swap!

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