Fuel pump flow rates
 

I trying to compare fuel rates with different brand pumps. Does anyone know what the flow rates are for different Waterman pumps as compared to a DSR pump or Hilborn pump?

Been trying good old google but it has let me down this time around

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Depends on the size and the calibration effiency of the pumps. To be sure you need to have pumps checked on a flow bench. Not absolute truth here but a DSR 0 & a Hilborn 0 & a 400 waterman are somewhat close. A 450 waterman is close to both a 1/2 DSR & 1/2 Hilborn. A 500 waterman is close to a #1 Hilborn & #1 DSR . Like I said they are close but without flow bench data you risk engine damage or at least running less than optimal.

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