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Is the fuel return to the tank really necessary?

grannyknot
in Carburetor Central

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1970 240z, will be dropping in a built 2.8L with Z therapy SU's, wondering if I can just use an electric fuel pump with regulator to 3lbs straight to the carbs with no return line?

Thanks,

Chris

My SU's I ran the mech pump with the original return with no regulator - with my Mikuni's I am running a fuel pump dead headed with regulator. Never had a fuel issue either way.

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