Help!! Fuel Line size recommendation

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#4 (permalink)

05-04-2014, 05:41 PM

Pman1961

CC Member

Join Date: Aug 2008

Location: Memphis, TN

Cobra Make, Engine: Superformance SP02423 KCR 445W 611hp 599ft lbs

Posts: 321

Not Ranked

Okay, so one part of my information was incorrect. I have a Holley 12-125 125 gph electric fuel pump with maximum pressure of 7psi. So no external regulator was required. These pumps use 3/8" npt fittings. Without a fitting in front of me to check inside diameter will this be okay using 3/8" npt female with 8an male ends or do we create a restriction? For now so I can get rolling is to plumb from the output of the pump to the carb with 8an steel braided hose and replace my dual feed carb line with a 8an in lieu of the 6an presently on the motor.

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