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HybridZ

Do i still need a Fuel return line?


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I recommend you change your whole fuel system. I have gone down the path of aftermarket carb pumps and have came across a better solution during my last V8 conversion.

 

I would use the stock efi fuel pump (or like stock efi msd 2225) and an Aeromotive return style fuel pressure regulator set to 6 psi.

 

The stock efi pumps are quiet and very durable and flow a lot of fuel, especially at 6 psi.

 

After market carb fuel pumps are LOUD and don't last long (brushes wear out).

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