Using 2 regulators would be a hella lot easier then dropping the tank and modifying the hat and changing pumps. I never tried it with 2. Just a single bypass regulator. But I read somewhere that even a 255 LPH efi pump was only rated for something like 65 gph. For a carb that would just barely cut it.

Personally I never understood why or how they work differently. The fuel is going through the same lines. Yet a carb pump cant supply more then 15 psi but still support a 500 hp carb motor. Then an EFI pump can maintain 45 PSI through a regulator to all of the injectors and support 500hp, yet by itself cant supply enough volume to feed a 600cfm carb on a 200 hp motor. Go figure? I've tried searching google for a descriptive answer between the two.. but didnt find anything that really explained it.


Hurst