Fuel rate VS. Lift pump? [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: Fuel rate VS. Lift pump?


70 Z UC
06-26-2007, 10:57 PM
With the Lift pump off my tuner is showing a fuel rate between 12.0-13.5mm. With the Lift pump on it drops to 10.0-11.5mm. What is this rate?