"Hi Brian, You seem to have a
"Hi Brian, You seem to have a consistant 30% difference between these readings. I only recently have a flow meters on our boat this year and in the 3-4 times we were out, I might have about 10& at low rpm and about 15+/-% on the 3000 end of the scale, WHAT IT ALL MEANS as you say, I haven't a clue BUT surely we longer just press the throttles up to the stops to run the boat on plane.
Do you think the jetting in your carbs is the same? I have the vacuum operated needles that control flow above X rpm and I knw that they are the same size and spring configuration but that is on Carter (Edlebrock like )units."